Microsoft Word - Naugard445-Bulletin.doc

NAUGARD 445 Antioxidant CH 3 C CH 3 N H Chemtura Corporation, Technical Business Support www.chemtura.com 199 Benson Road, Middlebury, CT 06747 (800) 243-5098 (203) 573-3773 FAX (203) 573-2525

NAUGARD 445 Page - 1 - ANTIOXIDANT CH 3 C CH 3 NH CH 3 C CH 3 고무산업에서열, 산소, 굴곡피로에대한효과적인보호효과. Naugard 445 는고무에사용시이러한주된특성을제공한다. 열및산화분해에대한보호. 고온에서의저휘발성으로인한탁월한보호효과. 소량에서의유효성 블룸에대한최소영향 가교속도에영향이거의없음 열노화중상대적인비-변색 ( 햇빛에약간의오염과변색 ) CAS Number 10081-67-1 조성식형태 녹는범위 C 30 H 31 N 백색에서황백색파우더 98-102 C 비중 1.14 @ 25 C 분자량 405 저장안정성 열원과빛으로부터떨어져시원하고건조한장소에 일반상태로보관될때 4 년이하 용해도 물에불용. 다음의아래유기용제에용해 : g/100 ml solvent @ 22 C 벤젠 35.2 톨루엔 32.8 아세톤 40.8 MEK 41.2 헥산 0.7 시클로헥산 3.5 헵탄 0.7 메탄올 0.7

Page - 2 - NAUGARD 445 GENERAL INFORMATION 우수한색상력을가지는고활성 Naugard 445는상대적으로비-변색인아민노화방지제이다. 고활성과우수한색상장점의조합은 Naugard 445를고무와플라스틱에이상적인노화방지제와열안정제로만들어준다. Naugard 445는 NBR, CR, NR, ACM, BR 과 SBR 컴파운드의사용에권장된다. 포화폴리머구조를가지고있는 CPE 혹은 Royalene EPDM같은합성고무는탁월한열노화특성, 우수한산화저항성을가진것으로잘알려져있다. Naugard 445는 EPDM 혹은 CM을기초로하는고무컴파운드의내열특성, 특히장기간고온에노출되는컴파운드의내열성을대단히증진시킨다. Naugard 445는고온, 산소와가공중발생되는전단에의한고무컴파운드의분해로부터보호한다. Naugard 445의낮은휘발성때문에고온에서오랫동안노화방지제의효과를유지한다. Naugard 445의적은사용량으로도아민노화방지제의활성과같이사용시에는이유지력은매우효과적이다. 라텍스컴파운드의노화방지 수분산혹은페이스트 Naugard 445 는라텍스컴파운드의분산에편리함을준다. 0.25 파트만큼의적은함유량으로도 SBR, 카르복실화 SBR, NBR 과 NR 을포함하는라텍스 컴파운드에열노화중에발생되는취성 (embrittlement) 에대한탁월한저항성을제공한다. 향상된성능 Naugard 445와함께 2-Mercaptotolylimidazole(MTI) 의조합사용에서는시너지효과가관찰된다. 이조합은매우효과적인노화방지패키지를제공하는데, Naugard 445 와 2- Mercaptotolylimidazole은 EPDM과 NBR 컴파운드에우수한내열성과탁월한굴곡물성을제공하기위한내열노화방지제로흔히사용된다. 넓은범위에서유용한제품 Naugard 445 는 NBR, EPDM, CR, CM, NR, BR 과 SBR 을포함한다양한폴리머를기초로

177 ºC 에서중량감소, percent Page - 3 - 하는고무컴파운드에매우효과적인노화방지제이다. Naugard 445 의다재다능함과 고온에서의그효과는최종고무제품 호스커버, 튜브, 컨베이어벨트, 전선과전선피복, 씰류, 기계용품과자동차혹은산업용고무제품 - 의다양한범위에사용되는데매우 이상적이다. 특정적용에서의 Naugard 445 사용에대한자세한정보는 Chemtura Corporation ) 으로연락하면된다. 아래비교데이터는흔히사용되는다른아민노화방지제와비교할때 Naugard 445의낮은휘발성을보여준다. 각노화방지제는알루미늄주석용기에 177 C 의온도에노출되었고, 15, 60분후에중량감소분을측정하였다. Naugard 4 4 5 의낮은휘발성은고온에장기간노출되는폴리머내에서의유지력을보장한다. 8 7 6 60 minutes 15 minutes 27.7% in 15' 5 4 3 2 1 0 Q 800-243-5098 tel 203-573-2525 fax

니트릴 (NBR) 컴파운드에서의 NAUGARD 445 Page - 4 - 오른쪽의 NBR컴파운드는우수한내열, 내유성을위해디자인된이컴파운드는다른범용노화방지제사용에대해 Naugard 445단독과 MTI와의조합을평가하기위하여사용되었다. Naugard 445는고온노화후우수한신율유지력을제공하고, 열-오일침적후의물성유지력역시제공한다 Paracril BJLT M40 100.0 Hydrated Amorphous Silica 40.0 Hard Clay 30.0 Polyester Sebacate Plasticizer 20.0 Zinc Oxide 5.0 Stearic Acid 1.0 Antioxidant 아래표참조 Naugex MBTS 2.5 Ethyl Tuex 1.5 Tuex 1.5 Spider Sulfur 0.2 Antioxidant A B C D E F G Naugard Control 445 5 AO-1 AO-2 6 AO-3 7 AO-4 8 AO-5 9 Naugard 445 3.0 1.5 Antioxidant 1.5 3.0 3.0 3.0 3.0 Mooney Scorch at 121 C ASTM D-1646 Scorch time, minutes 14.5 16.0 31.2 21.2 13.2 19.5 16.0 Physical Properties Unaged Cured 8 min. at 160 C Hardness, Shore A 66 67 65 67 66 65 66 300% Modulus, MPa 2.3 2.3 2.1 2.3 2.5 2.5 2.2 (psi) (330) (330) (300) (330) (360) (360) (320) Tensile Strength, MPa 12.6 11.8 12.3 12.6 11.6 12.5 12.6 (psi) (1830) (1720) (1780) (1830) (1680) (1820) (1830) Elongation, % 740 750 770 770 750 750 770 Aged 168 hrs at 121 C ASTM D573 Hardness, pts, change +15 +13 +13 +16 +14 +17 +14 Tensile Strength, % retention 86 90 95 85 93 91 83 Elongation, % retention 92 95 90 73 89 73 86 Aged 336 hrs at 121 C ASTM D573 Hardness, pts. change +21 +13 +18 +21 +19 +22 +15 Tensile Strength, % retention 44 72 79 75 79 79 68 Elongation, % retention 34 77 84 47 63 49 73 Oil Immersion (#1 Oil), 72 hrs at 179 C, ASTM D471 followed by air aging 72 hrs at 121 C, ASTM D573 Hardness, pts. change +4 +23 +25 +23 +21 +25 +23 Tensile Strength, % retention, 34 80 62 68 76 64 55 Elongation, % retention 4 49 36 40 48 37 18 Reference: Job 34279

Page - 5 - 내열 EPDM 컴파운드에서의 NAUGARD 445 EPDM컴파운드에 Naugard 445의첨가는매우높은온도에서의열분해에대해저항성을현저히개선시킬수있다. Naugard 445는 1phr만큼의낮은첨가량만으로도내열향상에극히효과적이라는것을아래의 EPDM 컴파운드에서확인할수있다. Royalene 580 HT 100.0 Zinc Oxide 20.0 N 650 Black 60.0 Paraffinic Oil 10.0 Zinc Stearate 1.5 NAUGARD 445 아래표참조 Naugex MBTS 4.0 Tuex 0.8 Butazate 1.5 Naugex SD-1 0.8 Sulfur 0.7 H I J Naugard 445 1.0 3.0 Mooney Scorch at 125 C ASTM D1646 Scorch time, minutes 17 18 19 Physical Properties Unaged, Cured 10 min. at 165 C Hardness, Shore A 73 73 73 200% Modulus, MPa 6.8 6.6 6.3 (psi) (990) (960) (920) Tensile Strength, MPa 12.9 12.6 13.0 (psi) (1880) (1840) (1900) Elongation, % 410 430 460 Aged 14 days at 165 C, ASTM D865 Hardness, pts. change +10 +10 +10 Tensile Strength, % retention 91 104 95 Elongation, % retention 37 66 61 Aged 21 days at 165 C, ASTM D865 Hardness, pts. change +15 +13 +12 Tensile Strength, % retention 40 59 75 Elongation, % retention 2 14 26 Compression Set, ASTM D395 Method B Aged 22 hrs at 150 C, plied samples % set 60 64 63 Reference: Job #29684 800-243-5098 tel 203-573-2525 fax

Page - 6 - Chlorinated Polyethylene (CM) 에서의 NAUGARD 445 비용대비성능기준으로 Naugard 445는염소화폴리에틸렌 (CM) 의폴리머분해에대해향상된보호효과를제공한다. 전형적인전선쟈켓컴파운드는 CM에흔히사용되는고성능노화방지제와 Naugard 445 성능평가를위해사용되었다. Naugard 445는단독혹은금속불활성물인 Naugard XL-1과조합시에우수한보호효과를제공한다. Paraclor 200 100.0 N762 Black 100.0 Polyester Sebacate Plasticizer 20.0 Trioctyl Trimellitate 20.0 Magnesium Hydroxide 5.0 Antioxidant 아래표참조 Beutene 1.0 Echo S Thiadiazole Derivative 2.0 Antioxidant K L M N O P Q R Naugard 445 Antioxidant Naugard XL-1 1.5 1.5 0.75 Mooney Scorch at 121 C Scorch time, min. 20.7 21.0 22.9 30.5 30.0 14.4 27.0 18.0 Physical Properties Unaged Cured 15 min. at 172 C Hardness, Shore A 82 82 81 80 81 81 82 81 300% Modulus, MPa 15.0 14.2 14.5 13.0 14.3 14.0 14.0 14.2 (psi) (2170) (2060) (2110) (1880) (2070) (2030) (2040) (2060) Tensile Strength, MPa 15.0 14.4 15.0 13.6 14.7 14.4 14.1 14.5 (psi) (2180) (2090) (2170) (1970) (2130) (2090) (2050) (2100) Elongation, % 310 300 330 380 330 340 300 330 Aged 70 hrs at 160 C ASTM D865 Hardness, pts, change +14 +3 +11 +12 +10 +11 +13 +9 Tensile Str., % retention 88 95 92 99 93 97 89 92 Elongation, % retention 42 47 36 45 39 44 43 42 Aged 70 hrs at 170 C AS T M D865 Hardness, pts. change +13 +12 +9 +14 +11 +9 +12 +7 Tensile Str., % retention 55 78 71 57 76 59 65 79 Elongation, % retention 16 23 15 13 18 15 10 24 Ref: Job #35284 Blank Naugard 445 AO-6 AO-7 AO-8 AO-9 AO-10 1.5 1.5 1.5 1.5 Naugard 445 and XL-1 0.75

Hydrogenated Nitrile-Butadiene Rubber (HNBR) 에서의 NAUGARD 445 800-243-5098 tel 203-573-2525 fax Page - 7 - Naugard 445 는탄화수소유체에의한추출과고온에서의휘발손실에대해우수한보호성능을 제공한다. 이것으로 HNBR 같은고무에특수한내열과오일저항성에매우유용한제품을만들수있다. 일반적으로, HNBR 제조자는 Naugard 445 와함께 zinc 2-mercaptotoluimidazole (AO-11) 같은시너지 노화방지제를함께사용하는것을추천한다. 비록 AO-11 의사용이노화물성을향상시키지만, Naugard 445 의추가는좀더경제적인반면에비슷한노화성능개선을얻을수있다. Zetpol 2010 100.0 N762 Black 50.0 Zinc Oxide 5.0 Struktol WB-212 Process Aid 2.0 HVA-2 Coagent 3.0 Naugard 445 Antioxidant 아래표참조 AO-11 아래표참조 VulCup 40-KE Peroxide 8.0 S T U V W Naugard 445 1.0 1.0 1.0 2.0 AO-11 1.0 2.0 1.0 Physical Properties Unaged Cured 15 min. at 172 C Hardness, Shore A 71 71 70 71 70 100% Modulus, MPa 11.7 10.5 11.2 9.7 8.2 (psi) (1690) (1530) (1620) (1410) (1190) Tensile Strength, MPa 27.1 24.3 25.4 27.4 27.4 (psi) (3930) (3520) (3680) (3980) (3980) Elongation, % 190 180 190 230 250 Aged 70 hrs at 175 C Compression Set, % 23 25 25 28 26 Aged 168 hrs at 177 C ASTM D865 Hardness, pts, change +5 +6 +6 +6 +7 Tensile Strength, % retention 96 105 104 98 97 Elongation, % retention 79 89 89 74 84 Aged 504 hrs at 177 C ASTM D865 Hardness, pts. Change +15 +9 +11 +11 +11 Tensile Strength, % retention 2 100 95 92 81 Elongation, % retention 11 72 58 39 40 Immersed 72 hours at 150 C in IRM 903 Oil, then Aged 168 hrs at 177 C ASTM D865 Hardness, pts. change +16 +14 +17 +12 +13 Tensile Strength, % retention 36 46 42 63 56 Elongation, % retention 5 17 5 26 20 Ref: Job #40098

Polyacrylate Elastomer (ACM) 에서의 NAUGARD 445 Page - 8 - 엔진룸 (Under the hood) 응용에사용되는다른특수내열내오일고무는 polyacrylate elastomer (ACM) 이다. Naugard 445 에의한휘발과추출저항성은 ACM 의고온에서의노화개선을매우유용하게한다. 이연구에서는매우빠른 TCY가교시스템과좀더일반적인비누 / 유황가교시스템두가교시스템을비교하였다. Hytemp AR72LF (ACM) 100.0 100.0 N550 Black 65.0 65.0 Stearic Acid 2.0 2.0 Struktol WB-222 Process Aid 2.0 2.0 Zisnet F-PT (TCY) Curative 1.0 Butazate 1.5 Santogard PVI Retarder 0.2 Sodium Stearate 3.0 Potassium Stearate 0.5 Spider Sulfur 0.3 Naugard 445 Antioxidant As indicated As indicated X Y Z AA AB TCY Cure System 2.7 2.7 2.7 Soap/Sulfur Cure System 3.8 3.8 Naugard 445 2.0 4.0 2.0 4.0 Unaged Properties Cured 30 min. at 177 C Then Post Cured 4 hrs. at 177 C Hardness, Shore A 72 67 71 65 62 100% Modulus, MPa 9.3 8.7 9.0 6.0 5.4 (psi) (1350) (1260) (1310) (870) (780) Tensile Strength, MPa 11.7 9.4 11.3 10.5 10.1 (psi) (1690) (1360) (1640) (1520) (1460) Elongation, % 130 110 150 190 210 Aged 70 hrs at 175 C Compression Set, % 49 44 41 75 73 Aged 168 hrs at 177 C ASTM D865 Hardness, pts, change +18 +17 +9 +18 +16 Tensile Strength, % retention 53 85 71 62 59 Elongation, % retention 8 72 67 84 86 Aged 504 hrs at 177 C ASTM D865 Hardness, pts. Change +21 +23 +23 +23 +22 Tensile Strength, % retention 5 80 68 81 79 Elongation, % retention 15 27 20 21 33 Immersed 72 hours at 150 C in IRM 903 Oil, then Aged 168 hrs at 177 C ASTM D865 Hardness, pts. change +9 +19 +13 +15 +16 Tensile Strength, % retention 43 43 36 92 90 Elongation, % retention 8 18 7 47 57 Ref: Job #40273

Page - 9 - Ethylene-Acrylic Elastomer (EAM=AEM) 에서의 NAUGARD 445 세번째특수내열, 오일저항성고무는 Vamac ethylene-acrylic elastomer (EAM) 이다. Naugard 445 는 EAM 의고온노화물성을개선하는데가장유용한노화방지제이다. Vamac G (EAM) 100.0 N762 Black 60.0 Stearic Acid 1.5 Armeen 18D Processing Aid 0.5 DOTG 4.0 Diak No. 1 Crosslinking Agent 1.5 Naugard 445 Antioxidant As indicated AC AD AE Naugard 445 2.0 4.0 Physical Properties Unaged Cured 10 min. at 175 C Post Cured 4 hrs. at 175 C Hardness, Shore A 65 63 66 200% Modulus, MPa 14.5 12.5 12.1 (psi) (2100) (1820) (1760) Tensile Strength, MPa 17.7 17.9 17.2 (psi) (2560) (2590) (2500) Elongation, % 280 330 320 Aged 70 hrs at 175 C Compression Set, % 19 18 19 Aged 168 hrs at 177 C ASTM D865 Hardness, pts, change +5 +4 +3 Tensile Strength, % retention 113 102 99 Elongation, % retention 86 82 91 Aged 504 hrs at 177 C ASTM D865 Hardness, pts. Change +12 +9 +7 Tensile Strength, % retention 51 70 76 Elongation, % retention 25 42 50 Immersed 72 hours at 150 C in IRM 903 Oil, then Aged 168 hrs at 177 C ASTM D865 Hardness, pts. change +3 +4 Tensile Strength, % retention 54 62 Elongation, % retention 41 53 Ref: Job #40359 800-243-5098 tel 203-573-2525 fax

Time in Oven at 148 C, hours Mooney viscosity Page - 10 - 폴리머안정제용 NAUGARD 445 Naugard 445는공기존재하에서열과기계적전단에노출되는 EP 코폴리머, 터폴리머와디엔, 다른유사한올레핀헤테로폴리머의가교악화와겔링화를억제한다. 불포화카본그룹을포함하는폴리머에요구되는 Naugard 445의총량은포화호모-폴리머와코-폴리머에필수적으로요구되는양보다일반적으로높다. Ethylene-propylene-diene-terpolymer을위한가공안정제와겔방지첨가제로써의 Naugard 445 효과는아래결과에서보여준다. 100 90 80 Unstabilized 0.1% Naugard 445 70 60 50 0 15 30 45 60 Time at 148 C on Mill, minutes Thermal Stability of EPDM 80 60 40 20 0 Unstabilized 0.1% Naugard 445 Hours for Initial Gelation of EPDM

Page - 11 - 라텍스에서의 NAUGARD 445 Naugard 445는열노화도중에는변색되지않으나, UV 혹은햇빛에노출될때약간변색된다. 아민노화방지제활성물과의조합과우수한색상력은 Naugard 445가라텍스컴파운드용으로이상적인노화방지제이며열안정제로만든다. Naugard 445 분산형은 SBR, 카르복실화 SBR, NBR과 NR 라텍스에사용하는데적합하다. 라텍스컴파운드에혼련하기위한 Naugard 445 의수분산형은아래와같이준비할수있다. 0.35phr 만큼의매우소량의 Naugard 445 를함유하는라텍스컴파운드는 132 에서의열 노화후의취성 (embrittlement) 에대한탁월한저항성을가진다. Naugard 445 분산절차 Parts by Weight Water 187.00 sodium salt of naphthalene sulfonic acid (Tamol SN) 2.5 15% ammonium caseinate solution * 20.00 potassium hydroxide 0.50 sodium hexametaphosphate (Calgon) 0.12 Naugard 445 100.00 Total 310.12 Ball Mill 24 hours Active Solids 32.2% * Freshly prepared as follows: 15% Ammonium Caseinate Solution Casein (lactic acid) 15.0 pts. Ammonia (24%) 7.5 pts Water @ 65 C (150 F) 77.5 pts With stirring, add casein to water, hold 15 minutes, add ammonia, stir 15 minutes. 보관중침전을최소화하기위하여, 볼밀로부터빼낸뒤즉시점도를 800-1100 cps (Brookfield #4 @ 10 rpm) 로조절하기위하여 sodium polyacrylate 희석제 (ParaGum 131) 를첨가한다. 800-243-5098 tel 203-573-2525 fax

Page - 12 - 카르복실화 SBR 에서의 NAUGARD 445 AF Dry Weights AG AH AI Carboxylated SBR Latex 100 100 Type B Carboxylated SBR Latex 100 100 Type D Naugard 445 0.35 0.35 0.030 in.(0.76 mm) 두께의필름을유리면에펼치고상온에서 24시간건조. Heat Aged at 132 C 48 hours Very flexible Brittle Appearance Very flexible Brittle 72 hours Very flexible Brittle Very flexible Brittle 96 hours Very flexible Brittle Very flexible Brittle 120 hours Very flexible Brittle Very flexible Brittle Sunlamp Exposure 24 hours Very flexible Very flexible Very flexible Flexible 48 hours Very flexible Very flexible Very flexible Stiff Color Unaged White White Off-white Off-white Heat aged at 132 C 48 hours Lt. Y-B B Lt. T Dk. Y 72 hours Lt B B T Dk. T 96 hours Med. Dk. B B T Dk. Y-B 120 hours Dk. B Dk. B Y-T Dk. Y-B Sunlamp Exposure 24 hours Dk. Y Lt. Y Dk. Y Y 48 hours Dk. Y Lt. Y Dk. Y Y NO x Exposure 15 mins. Lt. Y V. Lt. Y Lt. Y V. Lt. Y 30 mins. Lt. Y V. Lt. Y Lt. Y V. Lt. Y B= 갈색, Dk.= 어두운색, Lt= 밝은색, Med= 중간, T=Tan, V= 매우, Y= 황색

Page - 13 - 카펫지지용컴파운드용카르복실화 SBR 에서의 NAUGARD 445 Naugard 445 는미네랄필러를함유한라텍스컴파운드같은것에매우효과적이다. Naugard 445 와다량의미네랄필러를함유한라텍스컴파운드는 132 에서 120 시간노화한후에도우수한유연성을유지한다. Percent Active Solids AJ Wet Weight AK AL 49.5 Carboxylated SBR Latex 202 202 202 Whiting( 백카본 ) 350 350 350 Thickener 4 4 4 Water (to 70% solids) 86 86 86 32.2 Naugard 445-0.8 1.6 나일론카펫과유리면에 0.76mm 두께의필름을도포하였으며, 필름은상온에서 24 시간 동안건조하였다. Heat Aged at 132 C Appearance 0 hours Flexible Flexible Flexible 24 hours Brittle Flexible Flexible 72 hours Brittle Flexible Flexible 96 hours Brittle Flexible Flexible Heat Aged at 132 C Color 0 hours White White White 24 hours Yellow White White 48 hours Brown White White 72 hours Brown White White 96 hours Dark Brown Very Very Slightly Slightly Yellow Yellow Reference: Job #26816 800-243-5098 tel 203-573-2525 fax

Trade Name AMINOX BUTAZATE ETHYL TUEX INDUSTRENE R NAUGEX MBTS NAUGEX SD-1 NAUGARD 10 NAUGARD 445 XL-1 NOVAZONE AS OCTAMINE ROYALENE 580HT TUEX GLOSSARY Page - 14 - Chemtura Chemical and Polymers used in this work. Material AO-3, low temperature reaction product of diphenylamine and acetone zinc dibutyl dithiocarbamate tetraethyl thiuram disulfide stearic acid benzothiazyl disulfide 4,4-dithio dimorpholine AO-8, tetrakis[methylene(3,5-di-t-butyl-4-hydroxy hydrocinnamate)] methane 4,4 -bis(alpha,alpha,dimethy benzyl) diphenylamine NAUGARD Q AO-6, polymerized 1,2-dihydro-2,2,4-trimethyl quinoline NAUGARD 2,2 -oxamido bis[ethyl-3(3,5-di-t-butyl-4-hydroxyphenyl) propionate] AO-4, mixed ditolyl-p-phenylene diamine AO-5, octylated diphenylamine EPDM elastomer, 52/48 E/P ratio, 1.5% ENB Tetramethyl thiuram disulfide Other Compounding Ingredients Used in This Work Name Material Supplier AO-1 AO-2 2-mercaptotoluimidazole N,N -di-beta-naphthyl-p-phenylene diamine R.T. Vanderbilt R. T. Vanderbilt nickel bis [O-ethyl (3,5-di-t-butyl-4-hydroxy benzyl )] AO-7 phosphonate Ciba Specialties calcium bis[monoethyl (3,5-di-t-butyl-4-hydroxybe n zyl)] AO-9 Ciba Specialties phosphonate 1,2-bis [monoethyl (3,5-di-t-butyl-4-hydroxy AO-10 hydrocinnamoyl) hydrazine Ciba Specialties AO-11 Armeen 18D Calgon DOTG Diak No. 1 Echo S Hytemp AR72LF HVA-2 Tamol SN Paragum 131 Paraclor 200 Paracril BJLT M40 Santogard PVI Spider Sulfur Struktol WB-212 Struktol WB-222 Vamac G VulCup 40-KE zinc 2-mercaptotoluimidazole processing aid sodium hexameta phosphate diortho-tolyl guanidine hexamethylene diamine carbamate mercapto thiadiazole derivative polyacrylic elastomer (ACM) m-phenylene bismaleimide sodium salt of naphthalene sulfonic acid sodium polyacrylate thickener chlorinated polyethylene, 32% Cl acrylonitrile-butadiene elastomer, 32% ACN N-cyclohexylthio phthalimide easy dispersing form of elemental sulfur processing aid processing aid ethylene acrylic elastomer (EAM) α,α-bis(t-butylperoxyisopropyl) benzene R. T. Vanderbilt Akzo Corp. Calgon Corp. MLPC DuPont Co. Geo Specialty Zeon Chemicals DuPont Dow Rohm and Haas Para-Chem BASF Paratec Flexsys America Struktol Corp. Struktol Corp. DuPont Co. Geo Specialty Zisnet F-PT Zetpol 2010 trithiocyanuric acid hydrogenated nitrile-butadiene rubber (HNBR) Zeon Chemicals Zeon Chemicals