CN1442448A - Antiageing thermoplastic elastomer and its production method - Google Patents
Antiageing thermoplastic elastomer and its production method Download PDFInfo
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- CN1442448A CN1442448A CN 03109075 CN03109075A CN1442448A CN 1442448 A CN1442448 A CN 1442448A CN 03109075 CN03109075 CN 03109075 CN 03109075 A CN03109075 A CN 03109075A CN 1442448 A CN1442448 A CN 1442448A
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Abstract
An anti-ageing thermoplastic elastomer and its preparing process are disclosed. It has high resistance to acid, alkali and low temp and low specific weight, and can be used to make the jacket of electric cable, sealing strip of door or window, flexible tube and mechanical parts.
Description
Technical field
The present invention relates to a kind of exempt to vulcanize ageing-resistant thermoplastic elastomer and production method, be particularly useful for the insulation and the sheath material of cable, belong to plastics or elastomeric material technical field.
Technical background
At present, insulation of China line cable industry and sheath material consumption are maximum is vulcanized elastomers such as igelite and natural rubber, butadiene-styrene rubber, neoprene latex, second third glue, contains Cl in the polyvinyl chloride
-1, in the used stablizer Sn is arranged
+ 2.Pb
+ 2.Cb
+ 2.Cr
+ 2Deng harmful ion, cable products in use can deferred reaction, discharges the HCL obnoxious flavour, contaminate environment.The vulcanization aid of rubber has toxic materials such as sulphur, thiazole, thiuram, thiocarbamide, the most residual poisonous and harmful substances of the byproduct that reaction generates, produce in the cable process and adopt vapor sulfurizing process, the boiler oil burning produces stack gas and waste sludge discharge, environment is caused severe contamination, and be high temperature, high top pressure operation, operation sequence is complicated and dangerous.To be sulphur make lead become dirty, blackening to the erosion action of copper conductor to another defective of sulfuration process, influence quality, minimizing work-ing life.Along with the development of society, people's Environmental awareness strengthens gradually, develops pollution-freely, and exempting from sulfurized thermoplastic elastomer environment-friendly type sheath material is the task of top priority of cable industry.
Summary of the invention
The present invention is compatible according to some macromolecular material similar performances, the character complementation, and the mechanism of modification provides a kind of ageing-resistant thermoplastic elastomer and production method, as the environment-friendly type substituted product of cable sheath material mutually.
Technical scheme of the present invention is achieved in that this ageing-resistant thermoplastic elastomer, it is characterized in that elastomeric composition comprises at least: styrene-butadiene block copolymer (SBS), styrene butadiene-Sipacril 2739OF (MBS), ethylene-propylene rubber(EPR), properties-correcting agent, weighting agent.
Described ageing-resistant thermoplastic elastomer weight part application percentage comprises: styrene-butadiene block copolymer (SBS) 100, styrene butadiene-Sipacril 2739OF (MBS) 20-80, ethylene-propylene rubber(EPR) 50-100, properties-correcting agent 30-70, other weighting agent 200-600.
The properties-correcting agent of described ageing-resistant thermoplastic elastomer comprises E-VA-CO terpolymer or EVA ethylene-vinyl acetate copolymer.
Comprise in the weighting agent of described ageing-resistant thermoplastic elastomer: softening temperature growth promoter, skeleton toughener, stablizer, lubricant, pigment wherein one or more.
The softening temperature growth promoter that comprises in the weighting agent of described ageing-resistant thermoplastic elastomer is: a-Methylstyrene Low-Polymer and vinylformic acid styrene esters multipolymer (MS-90), a-Methylstyrene Low-Polymer (M80), polystyrene 666D (PS666D), calcined kaolin, light magnesium oxide, magnesium hydroxide, Magnesium Carbonate Light 41-45, aluminium hydroxide wherein one or more.
The softening temperature growth promoter weight part application percentage of described ageing-resistant thermoplastic elastomer comprises: a-Methylstyrene Low-Polymer and vinylformic acid styrene esters multipolymer (MS-90) 8-20, a-Methylstyrene Low-Polymer (M80) 8-20, polystyrene 666D (PS666D) 30-60, calcined kaolin 5-15, light magnesium oxide 5-15, magnesium hydroxide 5-15, Magnesium Carbonate Light 41-45 5-15, aluminium hydroxide 5-15, light calcium carbonate 50-150.
The stablizer that comprises in the weighting agent of described ageing-resistant thermoplastic elastomer is: barium stearate, calcium-zinc composite stabilizer wherein one or more.
Described ageing-resistant thermoplastic elastomer stablizer weight part application percentage comprises: barium stearate 0.5-0.8, calcium-zinc composite stabilizer 1-3.
The lubricant that comprises in the weighting agent of described ageing-resistant thermoplastic elastomer is: stearic acid, paraffin, white oil, naphthenic oil wherein one or more.
Described ageing-resistant thermoplastic elastomer lubricant weight part application percentage comprises: stearic acid 1-3, paraffin 1-2, white oil or naphthenic oil 80-180.
The production method of described ageing-resistant thermoplastic elastomer lubricant comprises:
(1), gets the raw materials ready according to above-mentioned weight part ratio;
(2), the 20-40% of quantitative styrene-butadiene block copolymer (SBS) and white oil or naphthenic oil total amount be placed in the blender stir, in container, leave standstill and made it oil-filled standby in 12 hours; Then with quantitative oil-filled styrene-butadiene block copolymer (SBS), styrene butadiene-Sipacril 2739OF (MBS), properties-correcting agent, a-Methylstyrene Low-Polymer and vinylformic acid styrene esters multipolymer or a-Methylstyrene Low-Polymer, PS666D, calcined kaolin, light magnesium oxide, magnesium hydroxide, Magnesium Carbonate Light 41-45, aluminium hydroxide, the 50-80% of fine particle calcium carbonate total amount, pigment, the 60-80% of white oil or naphthenic oil total amount be placed in the blender in 90-100 ℃ fully stir 15-20 minute evenly after, in hot mastication machine or Banbury mixer, fully plasticate in 130-155 ℃; With the sizing material of plasticating and quantitative ethylene-propylene rubber(EPR), stablizer and lubricant, remaining fine particle calcium carbonate, white oil under ℃ temperature of 80-105 on the rubber mixing machine synthetic mixing evenly after; roll into the film of 3mm or 4mm thickness; be cut into the micelle of 4mm * 4mm * 3mm after the cooling with slicing machine or dicing machine, packing is finished product.
Technical scheme provided by the present invention, acid-and base-resisting, low temperature resistant, ageing-resistant, light specific gravity.Not only compression set is low with the cable of elastomerics material production of the present invention, and anti-circumnutating property is strong, and ageing-resistant, and screen resilience is good.Elastomerics of the present invention also can be produced automobile, tractor, Aluminum plastics door and window sealed strip, and various middle and high, low-pressure hoses by various processes such as blowing or extrusion moldings, are made the mechanical part that automobile, motorcycle and multiple mechanical different performance require.During with elastomerics material production the said products of the present invention, remove sulfidation from, equipment is simple, and technology is easy, but with common plastics forcing machine or all extrusion mouldings of rubber vulcanizing machine, tailing can utilize repeatedly again, saves material and productive expense.Do not produce any " three wastes " and environmental pollution in the production process; Product in use can not produce any obnoxious flavour and toxic substance yet, causes environmental pollution.
Embodiment
Embodiment 1 component: styrene-butadiene block copolymer, (SBS) 100 styrene-butadienes-methylmethacrylate copolymer, (MBS) 20E-VA-CO terpolymer, (741 modifier) 30 EP rubbers, 50 a-Methylstyrene Low-Polymer and acrylic acid styrene esters copolymer, (MS-90) 8 polystyrene 666D, (PS666D) 30 calcined kaolins, 10 light magnesium oxides, (MgO) 5 magnesium hydroxides, (Mg, (OH)2) 5 Magnesium Carbonate Light 41-45 (MgCO
3) 5 aluminium hydroxides (Al (OH)
3) 5 light calcium carbonate (CaCO
3) 50 white oils or naphthenic oil 100 pigment 1 barium stearate 1Ca-Zn compound stabilizer (calcium-zinc composite stabilizer) 1 stearic acid 2 paraffin 2 process descriptions:
The 20-40% of quantitative SBS and white oil or naphthenic oil total amount is placed in the blender stirs, in container, leave standstill and made it oil-filled standby in 12 hours; Then 50% of SBS, properties-correcting agent, MBS, a-Methylstyrene Low-Polymer and vinylformic acid styrene esters multipolymer (MS-90) that will be quantitatively oil-filled or a-Methylstyrene Low-Polymer (M-80), PS666D, calcined kaolin, light magnesium oxide, magnesium hydroxide, Magnesium Carbonate Light 41-45, aluminium hydroxide, fine particle calcium carbonate total amount, the 60-80% of pigment, white oil total amount be placed in the blender in 90-100 ℃ fully stir 15-20 minute evenly after, in hot mastication machine or Banbury mixer, fully plasticate in 130-155 ℃; With the sizing material of plasticating and quantitative ethylene-propylene rubber(EPR), stablizer and lubricant, remaining fine particle calcium carbonate, white oil under ℃ temperature of 80-105 on the rubber mixing machine synthetic mixing evenly after; roll into the film of 3mm or 4mm thickness; be cut into the micelle of 4mm * 4mm * 3mm after the cooling with slicing machine or dicing machine, packing is finished product.
Embodiment 2: component: styrene-butadiene block copolymer, (SBS) 100 styrene-butadienes-methylmethacrylate copolymer, (MBS) 30E-VA-CO terpolymer, (741 modifier) 40 EP rubbers, 60 a-Methylstyrene Low-Polymer and acrylic acid styrene esters copolymer, (MS-90) 12 polystyrene 666D, (PS666D) 40 calcined kaolins, 15 light magnesium oxides, (MgO) 10 magnesium hydroxides, (Mg, (OH)2) 10 Magnesium Carbonate Light 41-45 (MgCO
3) 10 aluminium hydroxides (Al (OH)
3) 10 light calcium carbonate (CaCO
3) 70 white oils or naphthenic oil 120 pigment 1 barium stearate 1Ca-Zn compound stabilizer (calcium-zinc composite stabilizer) 1 stearic acid 2 paraffin 2 process descriptions: with embodiment 1.
Embodiment 3: component: styrene-butadiene block copolymer, (SBS) 100 styrene-butadienes-methylmethacrylate copolymer, (MBS) 40E-VA-CO terpolymer, (741 modifier) 50 EP rubbers, 70 a-Methylstyrene Low-Polymer and acrylic acid styrene esters copolymer, (MS-90) 16 polystyrene 666D, (PS666D) 50 calcined kaolins, 20 light magnesium oxides, (MgO) 15 magnesium hydroxides, (Mg, (OH)2) 15 Magnesium Carbonate Light 41-45 (MgCO
3) 15 aluminium hydroxides (Al (OH)
3) 15 light calcium carbonate (CaCO
3) 90 white oils or naphthenic oil 145 pigment 1 barium stearate 1Ca-Zn compound stabilizer (calcium-zinc composite stabilizer) 1 stearic acid 2 paraffin 2 process descriptions: with embodiment 1.
Embodiment 4: component: styrene-butadiene block copolymer, (SBS) 100 styrene-butadienes-methylmethacrylate copolymer, (MBS) 50E-VA-CO terpolymer, (741 modifier) 60 EP rubbers, 80 a-Methylstyrene Low-Polymer and acrylic acid styrene esters copolymer, (MS-90) 18 polystyrene 666D, (PS666D) 60 calcined kaolins, 20 light magnesium oxides, (MgO) 15 magnesium hydroxides, (Mg, (OH)2) 15 Magnesium Carbonate Light 41-45 (MgCO
3) 15 aluminium hydroxides (Al (OH)
3) 15 light calcium carbonate (CaCO
3) 100 white oils or naphthenic oil 150 pigment 2 barium stearate 1.5Ca-Zn compound stabilizers (calcium-zinc composite stabilizer) 2 stearic acid 2 paraffin 2 process descriptions: with embodiment 1.
Embodiment 5: component: styrene-butadiene block copolymer, (SBS) 100 styrene-butadienes-methylmethacrylate copolymer, (MBS) 70E-VA-CO terpolymer, (741 modifier) 60 EPMs, 80 a-Methylstyrene Low-Polymer and acrylic acid styrene esters copolymer, (MS-90) 10 polystyrene 666D, (PS666D) 40 calcined kaolins, 20 light magnesium oxides, (MgO) 15 magnesium hydroxides, (Mg, (OH)2) 15 Magnesium Carbonate Light 41-45 (MgCO
3) 15 aluminium hydroxides (Al (OH)
3) 15 light calcium carbonate (CaCO
3) 100 white oils and naphthenic oil 150 pigment 2 barium stearate 1.5Ca-Zn compound stabilizers (calcium-zinc composite stabilizer) 2 stearic acid 2 paraffin 2 process descriptions: with embodiment 1.
Embodiment 6: component: styrene-butadiene block copolymer (SBS) 100 styrene-butadienes-methylmethacrylate copolymer (MBS) 30EVA ethylene-vinyl acetate copolymer 50 EP rubbers, 80 a-Methylstyrene Low-Polymer (M-80) 10 polystyrene 666D (PS666D) 50 calcined kaolins, 20 light magnesium oxides (MgO) 15 magnesium hydroxides (Mg (OH)2) 15 Magnesium Carbonate Light 41-45 (MgCO
3) 15 aluminium hydroxides (Al (OH)
3) 15 light calcium carbonate (CaCO
3) 100 white oils and naphthenic oil 150 pigment 2 barium stearate 1.5Ca-Zn compound stabilizers (calcium-zinc composite stabilizer) 2 stearic acid 2 paraffin 2
When properties-correcting agent adopted the EVA ethylene-vinyl acetate copolymer in the embodiments of the invention, selectable model comprised EVA28-25, EVA18-3, EVA14-2.Process description: with embodiment 1.
Embodiment 7: component: styrene-butadiene block copolymer (SBS) 100 styrene-butadienes-methylmethacrylate copolymer (MBS) 60EVA14-2 ethylene-vinyl acetate copolymer 60 EPMs, 70 a-Methylstyrene Low-Polymer (M-80) 20 polystyrene 666D (PS666D) 50 calcined kaolins, 20 light magnesium oxides (MgO) 15 magnesium hydroxides (Mg (OH)2) 15 Magnesium Carbonate Light 41-45 (MgCO
3) 15 aluminium hydroxides (Al (OH)
3) 15 light calcium carbonate (CaCO
3) 120 white oils and naphthenic oil 160 pigment 2 barium stearate 1.5Ca-Zn compound stabilizers (calcium-zinc composite stabilizer) 3 stearic acid 3 paraffin 3 process descriptions: with embodiment 1.
Embodiment 8: component: styrene-butadiene block copolymer (SBS) 100 styrene-butadienes-methylmethacrylate copolymer (MBS) 70EVA14-2 ethylene-vinyl acetate copolymer 65 EP rubbers, 80 a-Methylstyrene Low-Polymer (M-80) 15 polystyrene 666D (PS666D) 55 calcined kaolins, 20 light magnesium oxides (MgO) 15 magnesium hydroxides (Mg (OH)2) 15 Magnesium Carbonate Light 41-45 (MgCO
3) 15 aluminium hydroxides (Al (OH)
3) 15 light calcium carbonate (CaCO
3) 130 white oils and naphthenic oil 165 pigment 2 barium stearate 2Ca-Zn compound stabilizers (calcium-zinc composite stabilizer) 3 stearic acid 3 paraffin 3 process descriptions: with embodiment 1.
Embodiment 9: component: styrene-butadiene block copolymer (SBS) 100 styrene-butadienes-methylmethacrylate copolymer (MBS) 70EVA14-2 ethylene-vinyl acetate copolymer 65 EPMs, 90 a-Methylstyrene Low-Polymer (M-80) 18 polystyrene 666D (PS666D) 55 calcined kaolins, 20 light magnesium oxides (MgO) 15 magnesium hydroxides (Mg (OH)2) 15 Magnesium Carbonate Light 41-45 (MgCO
3) 15 aluminium hydroxides (Al (OH)
3) 15 light calcium carbonate (CaCO
3) 140 white oils and naphthenic oil 170 pigment 3 barium stearate 2Ca-Zn compound stabilizers (calcium-zinc composite stabilizer) 3 stearic acid 3 paraffin 3 process descriptions: with embodiment 1.
Embodiment 10: component: styrene-butadiene block copolymer (SBS) 100 styrene-butadienes-methylmethacrylate copolymer (MBS) 80EVA14-2 ethylene-vinyl acetate copolymer 70 EPMs, 100 a-Methylstyrene Low-Polymer (M-80) 20 polystyrene 666D (PS666D) 60 calcined kaolins, 20 light magnesium oxides (MgO) 15 magnesium hydroxides (Mg (OH)2) 15 Magnesium Carbonate Light 41-45 (MgCO
3) 15 aluminium hydroxides (Al (OH)
3) 15 light calcium carbonate (CaCO
3) 150 white oils and naphthenic oil 180 pigment 3 barium stearate 2Ca-Zn compound stabilizers (calcium-zinc composite stabilizer) 4 stearic acid 4 paraffin 4 process descriptions: with embodiment 1.
Claims (8)
1, a kind of ageing-resistant thermoplastic elastomer is characterized in that elastomeric composition comprises at least: styrene-butadiene block copolymer (SBS), styrene butadiene-Sipacril 2739OF (MBS), ethylene-propylene rubber(EPR), properties-correcting agent, weighting agent.
2, ageing-resistant thermoplastic elastomer according to claim 1, it is characterized in that described elastomerics weight part application percentage comprises styrene-butadiene block copolymer (SBS) 100, styrene butadiene-Sipacril 2739OF (MBS) 20-80, ethylene-propylene rubber(EPR) 50-100, properties-correcting agent 30-70, other weighting agent 200-600.
3, ageing-resistant thermoplastic elastomer according to claim 1 and 2 is characterized in that described elastomer modification agent comprises E-VA-CO terpolymer or EVA ethylene-vinyl acetate copolymer.
4, ageing-resistant thermoplastic elastomer according to claim 1 is characterized in that comprising in the described elastomeric weighting agent: softening temperature growth promoter, skeleton toughener, stablizer, lubricant, pigment wherein one or more.
5, ageing-resistant thermoplastic elastomer according to claim 1, it is characterized in that the softening temperature growth promoter that comprises in the described elastomeric weighting agent is: a-Methylstyrene Low-Polymer and vinylformic acid styrene esters multipolymer (MS-90), a-Methylstyrene Low-Polymer (M80), polystyrene 666D (PS666D), calcined kaolin, light magnesium oxide, magnesium hydroxide, Magnesium Carbonate Light 41-45, aluminium hydroxide wherein one or more; Described softening temperature growth promoter weight part application percentage comprises: a-Methylstyrene Low-Polymer and vinylformic acid styrene esters multipolymer (MS-90) 8-20, a-Methylstyrene Low-Polymer (M80) 8-20, polystyrene 666D (PS666D) 30-60, calcined kaolin 5-15, light magnesium oxide 5-15, magnesium hydroxide 5-15, Magnesium Carbonate Light 41-45 5-15, aluminium hydroxide 5-15, light calcium carbonate 50-150.
6, ageing-resistant thermoplastic elastomer according to claim 1 is characterized in that the stablizer that comprises in the described elastomeric weighting agent is: barium stearate, calcium-zinc composite stabilizer wherein one or more; Stablizer weight part application percentage comprises: barium stearate 0.5-0.8, calcium-zinc composite stabilizer 1-3.
7, ageing-resistant thermoplastic elastomer according to claim 1 is characterized in that the lubricant that comprises in the described elastomeric weighting agent is: stearic acid, paraffin, white oil, naphthenic oil wherein one or more; Lubricant weight part application percentage comprises: stearic acid 1-3, paraffin 1-2, white oil 80-180, naphthenic oil 80-180.
8, ageing-resistant method of producing thermoplastic elastomer comprises:
(1), get the raw materials ready according to the weight part ratio: styrene-butadiene block copolymer (SBS) 100, styrene butadiene-Sipacril 2739OF (MBS) 20-80, ethylene propylene rubber 50-100, E-VA-C0 terpolymer or EVA ethylene-vinyl acetate copolymer 30-70, a-Methylstyrene Low-Polymer and vinylformic acid styrene esters multipolymer or a-Methylstyrene Low-Polymer 8-20, polystyrene 666D 30-60, calcined kaolin 10-20, light magnesium oxide 5-15, magnesium hydroxide 5-15, Magnesium Carbonate Light 41-45 5-15, aluminium hydroxide 5-15, light calcium carbonate 50-150, white oil or naphthenic oil 80-180, pigment 0.5-1, barium stearate 1-2, calcium-zinc composite stabilizer 2-4, stearic acid 2-4, paraffin 2-4;
(2), the 20-40% of quantitative styrene-butadiene block copolymer (SBS) and white oil or naphthenic oil total amount be placed in the blender stir, in container, leave standstill and made it oil-filled standby in 12 hours; Then with quantitative oil-filled styrene-butadiene block copolymer (SBS), styrene butadiene-Sipacril 2739OF (MBS), properties-correcting agent, a-Methylstyrene Low-Polymer and vinylformic acid styrene esters multipolymer or a-Methylstyrene Low-Polymer, PS666D, calcined kaolin, light magnesium oxide, magnesium hydroxide, Magnesium Carbonate Light 41-45, aluminium hydroxide, the 50-80% of fine particle calcium carbonate total amount, pigment, the 60-80% of white oil or naphthenic oil total amount be placed in the blender in 90-100 ℃ fully stir 15-20 minute evenly after, in hot mastication machine or Banbury mixer, fully plasticate in 130-155 ℃; With the sizing material of plasticating and quantitative ethylene-propylene rubber(EPR), stablizer and lubricant, remaining fine particle calcium carbonate, white oil under ℃ temperature of 80-105 on the rubber mixing machine synthetic mixing evenly after; roll into the film of 3mm or 4mm thickness; be cut into the micelle of 4mm * 4mm * 3mm after the cooling with slicing machine or dicing machine, packing is finished product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03109075 CN1209413C (en) | 2003-04-03 | 2003-04-03 | Antiageing thermoplastic elastomer and its production method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03109075 CN1209413C (en) | 2003-04-03 | 2003-04-03 | Antiageing thermoplastic elastomer and its production method |
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| Publication Number | Publication Date |
|---|---|
| CN1442448A true CN1442448A (en) | 2003-09-17 |
| CN1209413C CN1209413C (en) | 2005-07-06 |
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ID=27796713
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03109075 Expired - Fee Related CN1209413C (en) | 2003-04-03 | 2003-04-03 | Antiageing thermoplastic elastomer and its production method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103351537A (en) * | 2013-06-25 | 2013-10-16 | 绿宝电缆（集团）有限公司 | Heat-resisting elastic cable material |
| CN103483759A (en) * | 2013-09-24 | 2014-01-01 | 吴江市董鑫塑料包装厂 | SBS shoe plastic |
| CN104710693A (en) * | 2015-03-23 | 2015-06-17 | 苏州市神龙门窗有限公司 | Low-temperature-resistant door/window sealing strip and preparation method thereof |
| CN104945761A (en) * | 2015-07-28 | 2015-09-30 | 太仓市晨洲塑业有限公司 | Modified polystyrene plastic |
| CN106916384A (en) * | 2017-04-08 | 2017-07-04 | 际华三五七橡胶制品有限公司 | Ageing-resistant EPT rubber packing part of a kind of high temperature resistant and preparation method thereof |
-
2003
- 2003-04-03 CN CN 03109075 patent/CN1209413C/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103351537A (en) * | 2013-06-25 | 2013-10-16 | 绿宝电缆（集团）有限公司 | Heat-resisting elastic cable material |
| CN103351537B (en) * | 2013-06-25 | 2016-04-13 | 绿宝电缆（集团）有限公司 | A kind of elastic CABLE MATERIALS |
| CN103483759A (en) * | 2013-09-24 | 2014-01-01 | 吴江市董鑫塑料包装厂 | SBS shoe plastic |
| CN104710693A (en) * | 2015-03-23 | 2015-06-17 | 苏州市神龙门窗有限公司 | Low-temperature-resistant door/window sealing strip and preparation method thereof |
| CN104945761A (en) * | 2015-07-28 | 2015-09-30 | 太仓市晨洲塑业有限公司 | Modified polystyrene plastic |
| CN106916384A (en) * | 2017-04-08 | 2017-07-04 | 际华三五七橡胶制品有限公司 | Ageing-resistant EPT rubber packing part of a kind of high temperature resistant and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1209413C (en) | 2005-07-06 |
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Assignee: GUANGZHOU XINXING CABLES INDUSTRY CO., LTD. Assignor: Yan Junlong Contract record no.: 2010440000895 Denomination of invention: Antiageing thermoplastic elastomer and its production method Granted publication date: 20050706 License type: Exclusive License Open date: 20030917 Record date: 20100706 |
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