聚(丙烯腈-co-丁二烯-co-苯乙烯)

聚(丙烯腈-co-丁二烯-co-苯乙烯) 基本信息
CAS号 9003-56-9 分子式 (C8H8.C4H6.C3H3N)x
分子量 211.30876 精确质量  211.13610
PSA  23.79000 LogP  4.38398

基本信息 展开↓

CAS号:
9003-56-9
分子式:
(C8H8.C4H6.C3H3N)x
分子量:
211.30876
中文名称:
聚(丙烯腈-co-丁二烯-co-苯乙烯)
英文名称:
2-Propenenitrile, polymer with 1,3-butadiene and ethenylbenzene
中文别名:
聚(丙烯腈-co-丁二烯-co-苯乙烯);
丙烯腈-丁二烯-苯乙烯三元共聚物(阻燃)
英文别名:
2-Propenenitrile, polymer with 1,3-butadiene and ethenylbenzene;
Acrylonitrile, polymer with 1,3-butadiene and styrene (8CI);
Acrylonitrile, polymer with butadiene and styrene (6CI);
1,3-Butadiene polymer, with acrylonitrile and styrene (6CI);
1,3-Butadiene, polymer with ethenylbenzene and 2-propenenitrile (9CI);
Benzene, ethenyl-, polymer with 1,3-butadiene and 2-propenenitrile (9CI);
Styrene, polymer with acrylonitrile and 1,3-butadiene (8CI);
Styrene, polymer with acrylonitrile and butadiene (6CI);
0215A;
06-10A;
1,3-Butadiene-acrylonitrile-styrene copolymer;
1,3-Butadiene-styrene-acrylonitrile copolymer;
10JK2;
121H0013;
15A1;
15NP;
2020AST;
2501K;
250X10;
3001M;
3001MG2A;
300SF;
301K;
342EZ;
429J;
450Y-X10;
480S;
60P;
660SF;
700X01;
707K;
747K;
747S;
749SK;
750A;
750N;
750NSW;
750SW;
756H;
757K;
759A;
8391A;
8586K24;
88K4;
9715A;
9738R;
975BK1;
9815A;
A 201;
A 201 (styrene polymer);
A 402;
A 404;
A 404 (polymer);
A 4571S27;
A 50B;
AB 303300;
ABS;
ABS (polymer);
ABS 0215A;
ABS 1;
ABS 10;
ABS 101;
ABS 12;
ABS 121;
ABS 121H;
ABS 130;
ABS 150;
ABS 170;
ABS 180;
ABS 181;
ABS 200NT;
ABS 2020;
ABS 2501K;
ABS 3453;
ABS 350;
ABS 3513;
ABS 380;
ABS 4;
ABS 400;
ABS 4134;
ABS 433;
ABS 50;
ABS 547P;
ABS 55;
ABS 5503;
ABS 556/499;
ABS 55NP;
ABS 60;
ABS 606;
ABS 60P;
ABS 660;
ABS 680;
ABS 6MI;
ABS 705;
ABS 707;
ABS 720;
ABS 728;
ABS 740;
ABS 746;
ABS 747;
ABS 750;
ABS 750SW;
ABS 757;
ABS 757K;
ABS 758;
ABS 775;
ABS 780;
ABS 8384;
ABS 8391;
ABS 8434;
ABS 8504;
ABS 900;
ABS 9030;
ABS 920;
ABS 9332;
ABS 9555;
ABS 9815;
ABS 9815F;
ABS N-WN;
ABS P/D 150;
ABS P/D 190;
ABS copolymer;
ABS plastic;
ABS resin;
ABS terpolymer;
ABS-BKWB;
ABS-C 08;
ABS-D 100;
ABS-EX 111;
ABS-F 5450;
ABS-GR 0500;
ABS-GR 2000;
ABS-GTA 200;
ABS-MO 602L;
ABS-MO 905L;
ABS-P 400;
ABS-RB;
ABS-SR-T 7H;
ABSROM;
AC 80;
AC 800;
ADG 21;
AF 303;
AF 345;
AG 10AP;
AG 10NP;
AG 12A0;
AG 12A1;
AG 15A1;
AG 15E0;
AG 15E1;
AP 8A;
AS 0660;
AS 1200C;
AT 30;
AX 05X03;
AX 05X08;
Absolac 100;
Absolac 120;
Absolac 200;
Absolac 200EP;
Absolac 300;
Absolac 300FR;
Absolac 800;
Absolac E 502;
Absolac Natural;
Absolac SP 200;
Abson;
Abson 69163;
Abson 820X14;
Abson 820X17;
Abson 821;
Abson 89110;
Abson 89120;
Abson 89131;
Abson 89140;
Abson 89151;
Abson 89163;
Abson 89171;
Abstron HI 40B;
Acralen BS;
Acrylonitrile-1,3-butadiene-styrene copolymer;
Acrylonitrile-1,3-butadiene-styrene polymer;
Acrylonitrile-butadiene-styrene copolymer;
Acrylonitrile-butadiene-styrene copolymer resins;
Acrylonitrile-butadiene-styrene polymer;
Acrylonitrile-butadiene-styrene resin;
Acrylonitrile-butadiene-styrene terpolymer;
Acrylonitrile-polybutadiene-styrene polymer;
Acrylonitrile-styrene-1,3-butadiene copolymer;
Acrylonitrile-styrene-butadiene copolymer;
Acrylonitrile-styrene-butadiene resin;
Adion A 100;
Ameripol 1013;
Arradur T 334;
Astalac 2029-2;
B 200N;
B 300N;
B 32;
B 32 (polymer);
B 336;
B 336 (ABS polymer);
B 338;
B 400N;
B 432E;
B 440;
B 500N;
B 501N;
B 600N;
B 8EA;
BAM-H 010;
BF 0677F;
BLX 338;
BW 3079;
BW 3080;
BW-Z 44;
BX 201;
Bayer 433-1050;
Bayfol DFA;
Baymod A 52;
Baymod AT 49;
Blendex;
Blendex 101;
Blendex 111;
Blendex 200;
Blendex 201;
Blendex 211;
Blendex 260;
Blendex 301;
Blendex 311;
Blendex 336;
Blendex 401;
Blendex 415;
Blendex 425;
Blendex 431;
Blendex 435;
Blendex ADG 21;
Bustren AB;
Butadiene-acrylonitrile-styrene copolymer;
Butadiene-acrylonitrile-styrene terpolymer;
Butadiene-styrene-acrylonitrile copolymer;
C 1-301;
C 104;
C 104 (styrene polymer);
C 8707;
CB 1230;
CE 301;
CL;
CT 0520;
CTB 3505;
Cevian 300SF;
Cevian 466MD;
Cevian 500;
Cevian 500SF;
Cevian 510;
Cevian 510SF;
Cevian 520SF;
Cevian 660SF;
Cevian 680SF;
Cevian 770;
Cevian ABS;
Cevian ABS 660F;
Cevian DP 61;
Cevian DP 611;
Cevian LMB 191;
Cevian S;
Cevian SD;
Cevian SER 20;
Cevian U 680;
Cevian V;
Cevian V 100;
Cevian V 120;
Cevian V 20;
Cevian V 200;
Cevian V 320;
Cevian V 320F;
Cevian V 320N;
Cevian V 320SF;
Cevian V 410;
Cevian V 450;
Cevian V 500;
Cevian V 500SF;
Cevian V 510;
Cevian V 510SF;
Cevian V 550SF;
Cevian V 610;
Cevian V 660;
Cevian V 660F;
Cevian V 660SF;
Cevian V 680SF;
Cevian V 720;
Cevian V-SER 91;
Cevian V-T 150;
Cevian VDP 611;
Cevian VF 191;
Cevian VG 3000;
Cevian VH;
Cevian VT 1-80;
Chei Mei 7025IR;
Cyclone T 1000;
Cycolac;
Cycolac 3001;
Cycolac 3001M;
Cycolac 3001MH;
Cycolac 3100M;
Cycolac 35;
Cycolac 6320FB;
Cycolac ABS;
Cycolac ABS 35;
Cycolac ABS 3540;
Cycolac ABS Black;
Cycolac AM;
Cycolac AM 1000;
Cycolac AM 1000AS;
Cycolac AM 1001;
Cycolac AM 11001;
Cycolac AR;
Cycolac AR 3501;
Cycolac AR 4051;
Cycolac BDT 6500;
Cycolac CIT 31336;
Cycolac CL;
Cycolac CRT 3370;
Cycolac CTB;
Cycolac D;
Cycolac DFA-R;
Cycolac DFA-R 1000;
Cycolac DH 1000;
Cycolac DSK;
Cycolac E;
Cycolac EK 101;
Cycolac EP 3510;
Cycolac EPB;
Cycolac EPBM 3570;
Cycolac EPX;
Cycolac EX 101;
Cycolac EX 102;
Cycolac EX 10U;
Cycolac EX 111;
Cycolac EX 114;
Cycolac EX 120;
Cycolac EX 121;
Cycolac EX 130;
Cycolac EX 131;
Cycolac EX 18A;
Cycolac EX 190;
Cycolac EX 211;
Cycolac EX 215;
Cycolac EX 22C;
Cycolac EX 270;
Cycolac EX 39;
Cycolac EX 416;
Cycolac EX 418;
Cycolac EX 58;
Cycolac FU 23;
Cycolac G 100;
Cycolac G 320;
Cycolac G 360;
Cycolac G 361;
Cycolac G 362;
Cycolac G 365;
Cycolac G 366;
Cycolac G 366M;
Cycolac G-PX 11;
Cycolac GC-E;
Cycolac GDT 6400;
Cycolac GPM 4700;
Cycolac GPM 5500-1000;
Cycolac GPM 5500-2502;
Cycolac GPM 5500S;
Cycolac GPM 5600;
Cycolac GPP 4600;
Cycolac GPX 3700;
Cycolac GPX 3800;
Cycolac GS;
Cycolac GSE;
Cycolac GSE 1000;
Cycolac GSE 11001;
Cycolac GSM;
Cycolac GSM 1000;
Cycolac GSM 450;
Cycolac GT 4502;
Cycolac GX 3800F;
Cycolac H;
Cycolac HE;
Cycolac HM;
Cycolac HP 2ORD2059F5;
Cycolac HXW;
Cycolac IMP 362;
Cycolac KA;
Cycolac KJB;
Cycolac KJB 91363;
Cycolac KJB 91364;
Cycolac KJBE;
Cycolac KJM;
Cycolac KJT;
Cycolac KJU;
Cycolac KJW;
Cycolac KJW 1060;
Cycolac L;
Cycolac L 1000;
Cycolac LA;
Cycolac LE;
Cycolac LL;
Cycolac LM 1101;
Cycolac LN 11001;
Cycolac LS 1000;
Cycolac MG 37EP;
Cycolac MG 37EPX;
Cycolac MG 47;
Cycolac MG 94;
Cycolac MGABS 02;
Cycolac MS;
Cycolac MX 40;
Cycolac PS 507;
Cycolac R 10;
Cycolac R 211;
Cycolac T;
Cycolac T 10.000;
Cycolac T 1000;
Cycolac T 1000-2;
Cycolac T 1000F;
Cycolac T 1001;
Cycolac T 1100;
Cycolac T 11001;
Cycolac T 1101;
Cycolac T 2098;
Cycolac T 211;
Cycolac T 35;
Cycolac TCA;
Cycolac TD;
Cycolac TD 1001;
Cycolac TH Natural NE 05033;
Cycolac UT 20T;
Cycolac UT 30;
Cycolac UT 30B;
Cycolac V 502;
Cycolac VH 30;
Cycolac VW 20;
Cycolac X 11-4051;
Cycolac X 17;
Cycolac X 27;
Cycolac X 5;
Cycolac XML;
Cycolac Y 540A1101;
Cycolac Y 665C;
Cycolac Y 665C450;
Cycolac ZFJ 5;
Cycowood 103-10;
D 120;
D 120 (ABS polymer);
D 150;
D 150 (ABS polymer);
D 180;
D 190;
D 271;
DG 417;
DG-MG 29;
DGMG 94;
DO 270;
DP 10;
DP 100 Plus;
DP 255;
DP 271;
DP 35;
DP 60;
DP 600;
DP 600 (polymer);
DP 61;
DP 615;
DPG 168;
DPS 60;
DPT 611;
Denka ABS-CL;
Denka ABS-GF;
Denka ABS-GR 0500;
Denka ABS-GR 0520G;
Denka ABS-GR 1000;
Denka ABS-GR 1000F;
Denka ABS-GR 2000;
Denka ABS-GR 3000;
Denka ABS-GR 3500;
Denka ABS-GR 4000;
Denka ABS-GR 500;
Denka ABS-GR-GT 4;
Denka ABS-GTA 200;
Denka ABS-GTR 40;
Denka ABS-H;
Denka ABS-ME;
Denka ABS-QF;
Denka ABS-SE 10;
Denka ABS-SE 20;
Denka CL 301Q;
Denka GR 0500;
Denka GR 1000;
Denka GR 2000;
Denka GR 3000;
Denka GR 500A;
Denka QF;
Diamond 3501;
Diamond 7501;
Diapet 1001;
Diapet 1002;
Diapet 100K;
Diapet 3001G;
Diapet 3001M;
Diapet 3001MF;
Diapet 300M;
Diapet 3991;
Diapet 7001;
Diapet ABS;
Diapet ABS 1001;
Diapet ABS 3001M;
Diapet ABS 7001;
Diapet ABS Bulksam TM 20;
Diapet ABS Bulksam TM 25;
Diapet ABS Bulksam TM 25B;
Diapet ABS-GH 8;
Diapet ABS-RSE 7;
Diapet ABS-SE 3;
Diapet ABS-SW 3;
Diapet ABS-SW 7;
Diapet Bulksam TM 20;
Diapet Bulksam TM 25B;
Diapet Bulksam TM 30;
Diapet Bulksam TVPG 20;
Diapet FG 3;
Diapet GH 9;
Diapet HF 5;
Diapet PS 505;
Diapet RSE 7;
Diapet SE 3;
Diapet SW 3;
Diapet SW 7;
Diapet TM 20;
Diapet TR 2;
Diapet VP 1;
Diapet VP 10;
Diastat ABS;
Dow 2020;
Dow 300;
Dow 440;
Dow 500;
Dow 8391;
Dow 9010;
Dow Latex 31301NA;
Dralastic;
Dylel 702;
E 1000;
EPA 3530;
EPB 3570;
ES 0173;
ET 70;
EX 111;
EX 120;
EX 120N;
EX 121;
EX 15;
EX 15 (polymer);
EX 151;
EX 152;
EX 18T;
EX 190;
EX 200;
EX 200 (polymer);
EX 205;
EX 215;
EX 270;
EX 74C;
Electrafil J-1200CF15V0ND-BK2089;
Emiclear S;
Emuron;
Estyrene 300;
Estyrene 360;
Estyrene 380;
Estyrene 500;
Estyrene ABS 10;
Estyrene ABS 100;
Estyrene ABS 200;
Estyrene ABS 300;
Estyrene ABS 320;
Estyrene ABS 490;
F 1064;
F 1150;
F 1150 (polymer);
F 1390;
F 332;
F 5451G30;
F 5455;
FN 911;
Formid ABS 350 Natural;
Forsan 048;
Forsan 548;
Forsan 573;
Forsan 752;
Forsan 752E;
Fujino Spiral VP 10;
G 360;
G 50;
GA 501;
GA 701;
GA 704;
GA 800;
GAR 320;
GF 20;
GF 20 (ABS polymer);
GH 8;
GN 095-15-150-2;
GPM 5500-1000;
GPM 5500-4500;
GR 0500;
GR 1000;
GR 1000S;
GR 1500;
GR 200;
GR 200 (polymer);
GR 2000;
GR 3000;
GS 10;
GS 10 (abs resin);
GSE;
GSE 450;
GT 10;
GT-A 200;
GT-R;
GT-R (polymer);
GT-R 10;
Gaoqiao 275;
GenCryl 9030;
GenCryl Pt 9525;
Gencryl 9712;
Guadian 620;
H 08;
H 100N;
H 101N;
H 121H;
H 2938;
H 300L;
HF 06601;
HF 380;
HF 660;
HF 660 (polymer);
HG 173;
HG 1760;
HH 7.3;
HH 7.4;
HI 100;
HI 100Y;
HI 121;
HI 121H;
HI 130;
HI 140;
HI 151;
HM 11001;
HR 0073SA;
HR 101;
HR 180;
HR 183;
HR 185;
HR 2500P;
HR 2600P;
HRG 181;
HRG 333;
HRG 338;
HRG 360;
HRG 370;
HRG-P 60R;
HS-N 60AES;
HU 650;
Hi-Flex;
Hiblen B 202;
Hishi Plate Y 268;
Hycar 1570X75;
Hycar 1577;
Hycar 1877X8;
Hycar G 17;
IH 100;
IM 17A;
IMT 100;
JSR 10NP;
JSR 12;
JSR 15NP;
JSR 45;
JSR 55;
JSR-AB S55;
JSR-ABS;
JSR-ABS 100;
JSR-ABS 10B;
JSR-ABS 10NP;
JSR-ABS 12;
JSR-ABS 12A;
JSR-ABS 12NP;
JSR-ABS 15A;
JSR-ABS 15NP;
JSR-ABS 21;
JSR-ABS 35;
JSR-ABS 35NP;
JSR-ABS 38;
JSR-ABS 38B;
JSR-ABS 42;
JSR-ABS 45;
JSR-ABS 55NP;
JSR-ABS 57NP;
JSR-ABS 59;
JSR-ABS 82;
JSR-ABS DP 35;
JSR-ABS NF 94;
JSR-ABS SZ 15K;
JSR-ABS XT 09H;
JSR-ABS XT 400;
JSR-DP 10;
JSR-MK 60;
JSR-NP 10;
JSR-NP 150;
JSR-T 2628G;
JSR-T 2629M;
JSR-XT 400;
K 2938FS;
K 3272M;
KJT;
KM 911M;
KR 2889;
KU 600;
Kaneace A 10;
Kaneace MUH;
Kaneace MUH-E 1500;
Kaneace MUH-M 3000;
Kaneace S 10;
Kaneace SE 60;
Kaneka MUH 85000H;
Kaneka MUH-E 1300;
Kaneka MUH-M 3000;
Kaneka MUH-M 7204;
Kaneka MUHL 9201;
Kralastic 2938A;
Kralastic 2997;
Kralastic 3001M;
Kralastic 3100;
Kralastic 3273;
Kralastic AN 450;
Kralastic AP 8;
Kralastic AP 8A;
Kralastic GA 501;
Kralastic GA 704;
Kralastic K 2938;
Kralastic K 2938A;
Kralastic K 3101;
Kralastic K 3119;
Kralastic K 3141;
Kralastic K 3170;
Kralastic K 3282;
Kralastic K 3462;
Kralastic KU 600;
Kralastic KU 600R3;
Kralastic KU 630R1;
Kralastic KU 650;
Kralastic KU 670R2;
Kralastic MH;
Kralastic MH natural;
Kralastic MHA;
Kralastic MLA;
Kralastic MM 1801;
Kralastic MTA 1001;
Kralastic MTH 2;
Kralastic MTH 7S;
Kralastic MVF;
Kralastic S 3137;
Kralastic S 3710;
Kralastic S 3716;
Kralastic SHF;
Kralastic SR;
Kralastic SR 1801;
Kralastic SRB;
Kralastic SRE;
Kralastic SRS;
Kralastic ST 600;
Kralastic SXD 220;
Kralastic W;
Kralastic W 21;
Krynac 900X1;
L 815;
L 834;
LD 590;
LG-AF 302;
LMB 191;
LN 250;
LNI 210;
LNI 710;
LRA;
LRA (ABS polymer);
LTP;
LTP (polymer);
Lanhua 301;
Lastilac LV 17;
Lorkaril JA;
Lorkaril JCA;
Lorkaril JTE;
Lorkaril JTF;
Lupos GP 2100;
Lupos GP 2200;
Lupos GP 2300;
Luran KR 2536;
Lustran 1762;
Lustran 1827;
Lustran 2000;
Lustran 220;
Lustran 240;
Lustran 246;
Lustran 248;
Lustran 248-1002;
Lustran 252;
Lustran 266;
Lustran 348;
Lustran 400;
Lustran 420;
Lustran 440;
Lustran 440AS;
Lustran 448;
Lustran 452;
Lustran 461;
Lustran 488;
Lustran 521;
Lustran 545;
Lustran 610;
Lustran 633;
Lustran 640;
Lustran 680;
Lustran 710;
Lustran 740;
Lustran 743;
Lustran 752;
Lustran 762;
Lustran 780;
Lustran 850;
Lustran ABS 640;
Lustran ABS 752;
Lustran ABS HR 850;
Lustran ABS M 203FC;
Lustran H 950;
Lustran HH 1827;
Lustran HR 850;
Lustran I 710;
Lustran I 780;
Lustran LGA;
Lustran LGM;
Lustran LK 153;
Lustran M 202AS;
Lustran M 203FC;
Lustran M 204;
Lustran PG 298;
Lustran PG 299;
Lustran Q 714;
Lustran QE 1088;
Lustran QE 1455;
Lustran QE 501;
Lustran RL 838;
Lustran Ultra 2373;
Lustropack;
Lustrum;
M 8801;
MA 201;
MA 220;
MA 221;
MABS 3513;
MABS TE 10S;
MFI 22;
MH-MC 4;
MHB 901BK;
MP 0660;
MP 211;
MTH 2;
MUH-E 1300;
MUH-E 1500;
MUH-M 3000;
MUX-IR;
MVF;
MVF (styrene polymer);
MX 3;
MX 40;
MX 40 (styrene polymer);
Magnex DC;
Magnum 1040;
Magnum 1150EM;
Magnum 2020;
Magnum 213;
Magnum 2620;
Magnum 2642;
Magnum 275;
Magnum 3153;
Magnum 3325MT;
Magnum 334HP;
Magnum 340;
Magnum 3404;
Magnum 3416;
Magnum 342EZ;
Magnum 344;
Magnum 344HP;
Magnum 3453;
Magnum 3453MF114;
Magnum 3460;
Magnum 347EZ;
Magnum 348;
Magnum 3490;
Magnum 375HP;
Magnum 445HQ;
Magnum 545;
Magnum 545-7;
Magnum 555;
Magnum 555-27-7;
Magnum 562;
Magnum 700;
Magnum 8391;
Magnum 8433;
Magnum 8434;
Magnum 9010;
Magnum 9010NT;
Magnum 9015;
Magnum 9030;
Magnum 9035;
Magnum 941;
Magnum 950;
Magnum 9555;
Magnum AG 700;
Magnum F 430;
Magnum F 641;
Magnum PG 914;
Marbon 26562;
Marbon 301;
Marbon 401;
Marbon E 1000;
Marbon EPA 3530;
Marbon TP 2098;
Marmix 16123;
Miwon 750;
Mokumekun 7HG0082;
Mokumekun 7HG0247;
Monsanto 299;
Monsanto 440;
NA 2860;
NC 100G30;
NC 411G30;
NF 2200;
NP 10;
NS-A 4ST03;
NSG 400;
Naugatuck 3168;
Nipol LX 311;
Novodur;
Novodur DP-C 110;
Novodur H 7004;
Novodur H 801;
Novodur KL 1-5061;
Novodur KL 1-5129;
Novodur KL 1-5202;
Novodur L 3FR;
Novodur P 20M;
Novodur P 25;
Novodur P 2H;
Novodur P 2H-AT792;
Novodur P 2HE;
Novodur P 2K;
Novodur P 2L-AT;
Novodur P 2M;
Novodur P 2MC;
Novodur P 2MT;
Novodur P 2T;
Novodur P 2T038;
Novodur P 2X;
Novodur P 4LG;
Novodur PH-GV;
Novodur PK;
Novodur PKT 2;
Novodur PM;
Novodur PM 2C;
Novodur PM 3;
Novodur PMT;
Novodur PVH 002;
Novodur PVM;
Novodur PX;
Novodur PX 792;
Novodur PX 8;
OS 30B;
Omnova 9203;
Ovodur;
P 430XL;
P 757;
PA 4089;
PA 5021;
PA 570;
PA 707;
PA 709N;
PA 717C;
PA 717CK;
PA 727;
PA 737;
PA 747;
PA 747S;
PA 747SS;
PA 749K;
PA 749SK;
PA 750;
PA 756;
PA 757;
PA 757G;
PA 757K;
PA 757Q;
PA 758;
PA 765;
PA 765A;
PA 766;
PA 767R;
PA 768;
PA 777B;
PA 797;
PAX 1592;
PCIR 2200;
PG 299;
PG 911;
PG 912;
PKA 757S;
PN 757;
PP 1502;
PRA 400;
PSZ 930;
PSZ 975;
PSZ 980;
PSZ 980WH4;
PT 0180;
Pastela BS 100;
Plastron ABS-SF 40;
Plastron ABS-SF 40D1;
Polidux A 164;
Polidux AAB 781/1000;
Poly(acrylonitrile butadiene styrene);
Polylac 100GP1;
Polylac 709P;
Polylac 747;
Polylac 777A;
Polylac PA 707;
Polylac PA 717C;
Polylac PA 727;
Polylac PA 737;
Polylac PA 746;
Polylac PA 747;
Polylac PA 747A;
Polylac PA 747R;
Polylac PA 747S;
Polylac PA 756;
Polylac PA 757;
Polylac PA 757K;
Polylac PA 758;
Polylac PA 777D;
Polylac PA 777E;
Polyman HH 3;
Polyman M/MI-A;
Polyman M/MI-GLA;
Porene MH 1-0105001;
Porisuren;
Prime ABS Weather-X 200;
QE 1083AS;
QU 0191S;
Qimei 747;
Qimei 757;
Qualiplastic;
R 102;
R 103;
R 103 (polymer);
R 1298;
R 260A;
R 50;
R 50 (styrene polymer);
RAP 555;
RS 615;
RS 650;
RS 656H;
RS 657L;
RS 800;
RTP 600;
Ravikral SKJ;
Rexene 410ESC Natural;
Rexene 808K;
Ronafil DSM;
Ronfalin EST;
Ronfalin F;
Ronfalin FG 50;
Ronfalin FX 50;
Ronfalin FZ 336;
Ronfalin MST;
Ronfalin MT;
Ronfalin Q;
Ronfalin SFA;
Ronfalin SFA 34;
Ronfalin STA 60;
Ronfalin TZ 220;
Ronfalin TZ 230;
Ronfalin TZ 236;
Ronfalin VE 30;
Ronvalin TP 55;
Rotek 3001;
Royalite 20;
Royalite R 12;
S 2331;
S 3702;
S 3716;
SAN 580;
SB 7440UX;
SD 0150;
SD 0160;
SE 10;
SE 100;
SE 100 (polymer);
SE 20;
SER 90;
SH 3513;
SH 620;
SHX 330;
SKD 220;
SL 0100;
SL 7540;
SL 7560;
SN 335;
SNB 1010;
SNK;
SNK 2;
SNP 85;
SNX 4831;
SP 200;
SR 0320;
SR 0325LTS;
SR 1594;
SR Natural SR;
SRA-BOOB;
SRE;
SRE Natural;
SST 013FZ13082;
SST 087FZ91834;
SST 467FZ13664;
ST 120;
ST 30;
ST 55;
ST 600;
STA 60;
SV 0157;
SV 157;
SVG 9003;
SWR 1;
SXD 220;
SXG 205AH318;
SXH 129;
SXH 194;
SXH 209;
Sabic MG 47;
Santac BT 60;
Santac ET 70;
Santac ET 70N;
Santac GA 101;
Santac GT 10;
Santac GT 12;
Santac GT 15;
Santac LT 20;
Santac MR 40;
Santac MT 81;
Santac RT 26;
Santac ST 30;
Santac ST 30B;
Santac ST 42;
Santac ST 55;
Santac ST 55B;
Santac SXD 220;
Santac UT 60B;
Santac UT 62;
Sconater;
Sconater 342CA;
Sconater 3Sw;
Sconater 442MA;
Sconater 442ML;
Seventak 5990;
Seventak 5993;
Shinkolac ABS-HF 3;
Sicoflex 85;
Sicoflex S 160;
Sinkral B 32;
Sinkral B 432E;
Sinkral C 442;
Sinkral M 122;
Sinkral PD-L 322;
Sinkral X 2002M;
Smartex PA 2323;
Starex;
Starex HG 0760GP;
Starex NT 7200;
Starex SD 0160W;
Starex SR 0320;
Starex VH 0810;
Stylac 026;
Stylac 100;
Stylac 101;
Stylac 120;
Stylac 120B;
Stylac 121;
Stylac 121B;
Stylac 172;
Stylac 180;
Stylac 181;
Stylac 181H;
Stylac 182;
Stylac 183;
Stylac 190;
Stylac 190F;
Stylac 191;
Stylac 191F;
Stylac 200;
Stylac 220;
Stylac 220B;
Stylac 270;
Stylac 283;
Stylac 301;
Stylac 321;
Stylac 3941;
Stylac 6920;
Stylac 7220;
Stylac 783;
Stylac A 127;
Stylac A 3824;
Stylac A 3941;
Stylac A 4081;
Stylac A 4130;
Stylac A 4521;
Stylac A 5423;
Stylac A 5731;
Stylac A 6450;
Stylac A 6490;
Stylac A 7970;
Stylac ABS;
Stylac ABS 026;
Stylac ABS 100;
Stylac ABS 101;
Stylac ABS 120;
Stylac ABS 120B;
Stylac ABS 121;
Stylac ABS 180;
Stylac ABS 181;
Stylac ABS 182;
Stylac ABS 183;
Stylac ABS 190;
Stylac ABS 190F;
Stylac ABS 191;
Stylac ABS 191F;
Stylac ABS 200;
Stylac ABS 220B;
Stylac ABS 283;
Stylac ABS 301;
Stylac ABS 321;
Stylac ABS 6920;
Stylac ABS-A 4130;
Stylac ABS-A 4521;
Stylac ABS-A 4593;
Stylac ABS-A 5423;
Stylac ABS-A 5731;
Stylac ABS-A 5761;
Stylac ABS-A 6450;
Stylac ABS-A 6490;
Stylac ABS-ID 32F;
Stylac ABS-IM 15;
Stylac ABS-IM 20;
Stylac ABS-IM 30;
Stylac ABS-R 220A;
Stylac ABS-R 240A;
Stylac ABS-R 260A;
Stylac ABS-VA 20;
Stylac ABS-VA 502;
Stylac ABS-VA 507;
Stylac ABS-VA 51;
Stylac ABS-VA 58;
Stylac AT 15;
Stylac AT 30;
Stylac GER 220A;
Stylac GF-R 240A;
Stylac ID 32F;
Stylac IM 15;
Stylac IM 20;
Stylac IM 30;
Stylac R 240A;
Stylac S 27;
Stylac T 8402;
Stylac VA 29;
Stylac VA 502;
Stylac VA 58;
Stylac XA 6705;
Styrene-1,3-butadiene-acrylonitrile copolymer;
Styrene-acrylonitrile-1,3-butadiene copolymer;
Styrene-acrylonitrile-butadiene copolymer;
Styrene-acrylonitrile-butadiene polymer;
Styrene-acrylonitrile-butadiene resin;
Styrene-acrylonitrile-butadiene terpolymer;
Styrene-butadiene-acrylonitrile copolymer;
Styronal D 627;
Styronal D 628;
Styronal NX 4681;
Sumirois I;
Sunloid ABS-EAR 802;
Sunloid Bip PRP 800A;
Sunloid EAR 802;
Sunloid Taface;
Sunloid Taface R;
Sz NP;
T 02-1;
T 100;
T 180;
T 180 (styrene polymer);
T 2628G;
T 2908;
T 300;
T 4500;
T 470;
T 470 (styrene polymer);
T 500;
TA 3000H;
TD 1001;
TE 10S;
TE 30;
TF 60;
TF 60 (acrylic polymer);
TFX 170NP;
TFX 210;
TFX 250;
TFX 255;
TFX 410;
TFX 450;
TFX 610;
TFX 650;
TFX 710;
TM 20B;
TM 20M;
TM 21;
TM 25B;
TP 2098;
TP 801;
TR 530F;
TR 540;
TR 558;
TR 558A1;
TR 7;
TR 7 (polymer);
TRB;
TS 10S;
TS 20;
TS 20 (styrene polymer);
TXF 20;
Taface ML;
Taface R;
Taface R-EAR 802;
Tairilac AB 10AP;
Tairilac AG 12A0;
Tairilac AG 15A0;
Taita 6000F;
Taitalac 5000S;
Taitalac 8000;
Taitalac GP 6000;
Techno 330;
Techno 430;
Techno ABS;
Techno ABS 0T654;
Techno ABS 110;
Techno ABS 130;
Techno ABS 130G30;
Techno ABS 130NP;
Techno ABS 150;
Techno ABS 150NP;
Techno ABS 170;
Techno ABS 330;
Techno ABS 3300C;
Techno ABS 330G20;
Techno ABS 350;
Techno ABS 350N;
Techno ABS 350NP;
Techno ABS 400;
Techno ABS 407;
Techno ABS 430;
Techno ABS 520;
Techno ABS 545;
Techno ABS 600;
Techno ABS 606;
Techno ABS 620;
Techno ABS 810;
Techno ABS 830;
Techno ABS F 5455;
Techno ABS H 814;
Techno ABS NC 119;
Techno ABS YT 683;
Techno ABS-DP 611;
Techno ABS-DPT 651;
Techno DP 611;
Technopolymer 170;
Terez 3010;
Terluran;
Terluran 211132;
Terluran 828P;
Terluran 846L;
Terluran 84BS;
Terluran 876O;
Terluran 877;
Terluran 877M;
Terluran 877T;
Terluran 949T;
Terluran 958I;
Terluran 967;
Terluran 967K;
Terluran 968SM;
Terluran 969K;
Terluran 969T;
Terluran 996S;
Terluran 99S;
Terluran BX 11000;
Terluran EGP 7;
Terluran H 1-10;
Terluran HD 15;
Terluran HH;
Terluran HH 106;
Terluran HH 112;
Terluran KR 2802/2;
Terluran KR 2876/1;
Terluran KR 2889;
Terluran VLD;
Topmagicoat;
Tough Ace EAR 003;
Tough Ace R;
Toyolac 100;
Toyolac 100-322;
Toyolac 100MPM;
Toyolac 100MPM-B1;
Toyolac 125X82;
Toyolac 220;
Toyolac 250;
Toyolac 250X10;
Toyolac 300;
Toyolac 300-225;
Toyolac 300-325;
Toyolac 400;
Toyolac 441;
Toyolac 450Y;
Toyolac 470;
Toyolac 470Y;
Toyolac 500A;
Toyolac 700;
Toyolac 700-314B1;
Toyolac 700314B1;
Toyolac 700X01;
Toyolac 824V;
Toyolac 900/110;
Toyolac 9000;
Toyolac 920;
Toyolac 920-319;
Toyolac 920-555;
Toyolac 930;
Toyolac 950;
Toyolac A 360;
Toyolac ABS 700;
Toyolac ABS 900-352;
Toyolac HR 2600PX02;
Toyolac MPVX;
Toyolac Parel;
Toyolac Parel TP 10;
Toyolac Parel TP-D 25;
Toyolac T 100;
Toyolac T 100A;
Toyolac T 100A322;
Toyolac T 300;
Toyolac T 500;
Toyolac TH 10;
Tuflex YT 346;
Tufrex;
Tufrex 157;
Tufrex 21;
Tufrex 210;
Tufrex 210EB;
Tufrex 220;
Tufrex 410;
Tufrex 410CB;
Tufrex 410EB;
Tufrex 450;
Tufrex 450B;
Tufrex 461;
Tufrex 470;
Tufrex 610;
Tufrex 710;
Tufrex 761;
Tufrex N 710;
Tufrex TFX 110;
Tufrex TFX 210;
Tufrex TFX 220;
Tufrex TFX 410;
Tufrex TFX 420;
Tufrex TFX 450;
Tufrex TFX 461;
Tufrex TFX 610;
Tufrex TFX 650;
Tufrex TFX-SH;
Tufrex TXF 20;
Tufrex YT 212;
Tufrex YT 410;
Tufrex YT 645;
Tufrex YT 735;
Tybrene;
Tybrene 217;
Tybrene 27;
Tybrene 500;
Tylac 68833;
UL 94V-O;
UMG ABS EX 114;
UMG-ABS 139965;
UMG-ABS EX 18A;
UMG-ABS-EX 120;
UP Fila ABS;
UT 0100;
UT 10;
UT 10B;
UT 20B;
UT 30B;
UX 050;
UXO 50;
Ube Cycon ABS B 200N;
Ugikral;
Ugikral RA;
Ugikral RB;
Ugikral SE;
Ugikral SN;
Urtal 1223;
Urtal M 122;
V 500;
V 500 (polymer);
V 520;
V 660SF;
VA 502;
VD 200;
VW 10;
Valuetech NSG 400;
Vitax V 1100;
Vulkide A;
WP 9171;
WR-DA;
WT 12A;
Weld On 1707;
Wilsonart Pro FX;
X 37;
XC 500;
XP 71501;
XR 401;
XR 409H;
XT 01;
XU 74050.00;
Y 4122;
Y 540A;
Y 637;
Y 672B;
YM 254;
ZB 77;
ZFJ 31
精确分子量/精确质量:
211.13610
极性分子表面积/PSA:
23.79000
油水分配系数/LogP:

LogP值指的是某物质在正辛醇/水两相体系中的分配系数的对数值,反映了物质在油水两相中的分配情况。其中、LogP值越大,说明该物质越亲油;反之,LogP值越小,则说明该物质越亲水。
贝尔斯坦号/MDL:
MFCD00133993
PubChem:
24850905
InChI:
InChI=1/C8H8.C4H6.C3H3N/c1-2-8-6-4-3-5-7-8;1-3-4-2;1-2-3-4/h2-7H,1H2;3-4H,1-2H2;2H,1H2

生产制备方法及用途展开↓

制备方法


用作汽车工业材料、建筑材料、木材代用品, 并用于制安全帽、旅行箱、用具壳体、泡沫塑料等

合成制备方法


典型的乳液接枝掺混法ABS生产工艺 流程如下。

丙烯腈的用量20%~30%,丁二烯6%~35%,苯乙烯45%~70%。聚合温度约为50~100℃,接枝温度为60~90℃,凝聚时温度为85~95℃。

2.连续本体法ABS树脂生产工艺过程 将增韧橡胶溶于单体和少量溶剂中进行接枝聚合,随着聚合反应的进行,形成溶解于单体中的接枝橡胶和SAN两个独立相溶液。由于聚合反应的进一步加深,发生相转变,SAN成为连续相,橡胶粒子形成并分离出来,分散在SAN相中。通过相转变获得适当的橡胶粒径和界面相容性。反应后期,进行适度交联以增加橡胶粒子的强度,然后脱挥、造粒,得到ABS树脂产品。连续本体法ABS生产工艺程如下:

 

ABS树脂的合成工艺大致可以分为混炼法和接枝共聚法两种。接枝共聚法可以分为不均匀接枝法和均匀接枝法。不均匀接枝法通常指乳液聚合法,而均匀接枝法则包括本体聚合、悬浮聚合和本体悬浮聚合等方法

用途简介


用途


1.用作汽车工业材料、建筑材料、木材代用品, 并用于制安全帽、旅行箱、用具壳体、泡沫塑料等

2.用于配制溶剂型胶黏剂,粘接聚苯乙烯类塑料。ABS树脂以较高的抗冲击强度、耐化学药品性、电性能和良好的加工性能、电镀性能,被广泛用于汽车工业、电子电气工业、办公机器及建筑管材等领域,近年来得到较快的发展。通过共混、共聚、填充、增强等改性技术,可赋予ABS树脂高性能和特殊功能,如将AS基料树脂中的苯乙烯的一部分或全部以苯基马来酰亚胺置换,可得到高耐热性树脂;将ABS树脂中的丙烯腈含量提高或加入甲基丙烯酸甲酯单体,可得到耐化学药品性树脂;在ABS树脂中掺入聚氯乙烯树脂或添加溴系阻燃剂,可提高其阻燃性;将ABS树脂中的丁二烯橡胶组分用不含双键的丙烯酸酯橡胶或三元乙丙橡胶代替,可解决耐候性的问题;通过掺入无机或有机抗菌剂,能得到抗菌性树脂;值得一提的是,为了改善ABS树脂的耐热性、耐冲击性、耐化学药品等性能

物化性质展开↓

外观与性状:
白色
密度:
1.05 g/mL at 25ºC
熔点:
58.54(±0.5)ºC
沸点:
145.2ºC at 760 mmHg
闪点:
31.1°C
水溶解性:
acetone, MEK and DMF: soluble
存储条件/存储方法:
库房通风低温干燥
稳定性相关:

遵照规定使用和储存则不会分解。

其它信息:

1.       性状:微黄色

2.       密度(g/mL,25/4℃):1.05

3.       相对蒸汽密度(g/mL,空气=1):无可用

4.       熔点(ºC):58.54(±0.5)℃

5.       沸点(ºC,常压):无可用

6.       沸点(ºC,5.2kPa):无可用

7.       折射率:无可用

8.       闪点(ºC):无可用

9.       比旋光度(º):无可用

10.    自燃点或引燃温度(ºC):无可用

11.    蒸气压(kPa,25ºC):无可用

12.    饱和蒸气压(kPa,60ºC):无可用

13.    燃烧热(KJ/mol):无可用

14.    临界温度(ºC):无可用

15.    临界压力(KPa):无可用

16.    油水(辛醇/水)分配系数的对数值:无可用

17.    爆炸上限(%,V/V):无可用

18.    爆炸下限(%,V/V):无可用

19.    溶解性: 溶于冷水,其水溶液呈酸性。

安全信息展开↓

危险类别码:
R20/21/22;R36/37/38
安全说明:
S36-S26
危险标志:
Xn

毒理性展开↓

CHEMICAL IDENTIFICATION

RTECS NUMBER :
AT6970000
CHEMICAL NAME :
Acrylonitrile, polymer with 1,3-butadiene and styrene
CAS REGISTRY NUMBER :
9003-56-9
LAST UPDATED :
199710
DATA ITEMS CITED :
7
生态数据:

该物质对环境可能有危害,对水体应给予特别注意。

MSDS 展开↓

Name: Poly(acrylonitrile-co-butadiene-co-styrene) Material Safety Data Sheet
Synonym: 2-Propenitrile, polymer with 1,3-butadiene and ethenylbenzene
CAS: 9003-56-9
Section 1 - Chemical Product   MSDS Name:Poly(acrylonitrile-co-butadiene-co-styrene) Material Safety Data Sheet
Synonym:2-Propenitrile, polymer with 1,3-butadiene and ethenylbenzene

Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS
CAS# Chemical Name content EINECS#
9003-56-9 Poly(acrylonitrile-butadiene-styrene) 100 unlisted
Hazard Symbols: T
Risk Phrases: 20/21/22 45

Section 3 - HAZARDS IDENTIFICATION
  EMERGENCY OVERVIEW
Harmful by inhalation, in contact with skin and if swallowed. May cause cancer.
Potential Health Effects
Eye:
May cause eye irritation. The toxicological properties of this material have not been fully investigated.
Skin:
May cause skin irritation. The toxicological properties of this material have not been fully investigated.
Ingestion:
May cause gastrointestinal irritation with nausea, vomiting and diarrhea. The toxicological properties of this substance have not been fully investigated.
Inhalation:
May cause respiratory tract irritation. The toxicological properties of this substance have not been fully investigated.
Chronic:
No information found.

Section 4 - FIRST AID MEASURES
  Eyes: Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately.
Skin:
Get medical aid. Flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes. Wash clothing before reuse.
Ingestion:
If victim is conscious and alert, give 2-4 cupfuls of milk or water.
Never give anything by mouth to an unconscious person. Get medical aid immediately. Wash mouth out with water.
Inhalation:
Remove from exposure and move to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.
Notes to Physician:

Section 5 - FIRE FIGHTING MEASURES
  General Information:
As in any fire, wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. Vapors may be heavier than air. They can spread along the ground and collect in low or confined areas.
Extinguishing Media:
Use agent most appropriate to extinguish fire. Use water spray, dry chemical, carbon dioxide, or appropriate foam.

Section 6 - ACCIDENTAL RELEASE MEASURES
  General Information: Use proper personal protective equipment as indicated in Section 8.
Spills/Leaks:
Forms smooth, slippery surfaces on floors, posing an accident risk.
Clean up spills immediately, observing precautions in the Protective Equipment section. Sweep up or absorb material, then place into a suitable clean, dry, closed container for disposal. Provide ventilation.

Section 7 - HANDLING and STORAGE
  Handling:
Wash thoroughly after handling. Use with adequate ventilation. Avoid contact with eyes, skin, and clothing. Keep container tightly closed.
Avoid ingestion and inhalation.
Storage:
Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.

Section 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION
  Engineering Controls:
Use adequate ventilation to keep airborne concentrations low.
Exposure Limits CAS# 9003-56-9: Personal Protective Equipment Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166.
Skin:
Wear appropriate protective gloves to prevent skin exposure.
Clothing:
Wear appropriate protective clothing to prevent skin exposure.
Respirators:
Follow the OSHA respirator regulations found in 29 CFR 1910.134 or European Standard EN 149. Use a NIOSH/MSHA or European Standard EN 149 approved respirator if exposure limits are exceeded or if irritation or other symptoms are experienced.

Section 9 - PHYSICAL AND CHEMICAL PROPERTIES
 
Physical State: Solid
Color: Not available.
Odor: Not available.
pH: Not available.
Vapor Pressure: Not available.
Viscosity: Not available.
Boiling Point: Not available.
Freezing/Melting Point: Not available.
Autoignition Temperature: Not applicable.
Flash Point: Not applicable.
Explosion Limits, lower: N/A
Explosion Limits, upper: N/A
Decomposition Temperature:
Solubility in water: insoluble
Specific Gravity/Density:
Molecular Formula: C15H17N1x
Molecular Weight: 197.119

Section 10 - STABILITY AND REACTIVITY
  Chemical Stability:
Stable under normal temperatures and pressures.
Conditions to Avoid:
Dust generation.
Incompatibilities with Other Materials:
Oxidizing agents.
Hazardous Decomposition Products:
Carbon monoxide, irritating and toxic fumes and gases, carbon dioxide.
Hazardous Polymerization: Has not been reported

Section 11 - TOXICOLOGICAL INFORMATION
  RTECS#:
CAS# 9003-56-9: AT6970000 LD50/LC50:
Not available.
Carcinogenicity:
Poly(acrylonitrile-butadiene-styrene) - Not listed by ACGIH, IARC, or NTP.
Other:
See actual entry in RTECS for complete information.

Section 12 - ECOLOGICAL INFORMATION
 

Section 13 - DISPOSAL CONSIDERATIONS
  Dispose of in a manner consistent with federal, state, and local regulations.

Section 14 - TRANSPORT INFORMATION
 
IATA
Not regulated as a hazardous material.
IMO
Not regulated as a hazardous material.
RID/ADR
Not regulated as a hazardous material.

Section 15 - REGULATORY INFORMATION
 
European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: T
Risk Phrases:
R 45 May cause cancer.
R 20/21/22 Harmful by inhalation, in contact with
skin and if swallowed.
Safety Phrases:
S 53 Avoid exposure - obtain special instructions
before use.
S 28A After contact with skin, wash immediately with
plenty of water.
S 37 Wear suitable gloves.
S 45 In case of accident or if you feel unwell, seek
medical advice immediately (show the label where
possible).
WGK (Water Danger/Protection)
CAS# 9003-56-9: No information available.
Canada
CAS# 9003-56-9 is listed on Canada's DSL List.
CAS# 9003-56-9 is not listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 9003-56-9 is listed on the TSCA inventory.


SECTION 16 - ADDITIONAL INFORMATION
N/A

分子结构与计算化学数据展开↓

分子结构数据


1、摩尔折射率:无可用

2、   摩尔体积(cm3/mol):无可用       

3、   等张比容(90.2K):无可用

4、   表面张力(dyne/cm):无可用

5、   极化率:无可用

 

计算化学数据


1.疏水参数计算参考值(XlogP):无

2.氢键供体数量:0

3.氢键受体数量:1

4.可旋转化学键数量:2

5.互变异构体数量:无

6.拓扑分子极性表面积23.8

7.重原子数量:16

8.表面电荷:0

9.复杂度:144

10.同位素原子数量:0

11.确定原子立构中心数量:0

12.不确定原子立构中心数量:0

13.确定化学键立构中心数量:0

14.不确定化学键立构中心数量:0

15.共价键单元数量:3

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