Shanghai Daoqin Plastics Co., Ltd.

1. what is additives and polymer versus property? poly, 发汗 意义 is what?

答: poly —— solid additives 析出; 发汗—— liquid additives 析出.

additives and polymer versus property additives and polymer can long uniform mixed combined in 一起, production versus separation 离而析出 property can.

2. color force is what?

答: is color agent its color color effect/influence mixed combined material color can force; color agent use in plastics products in 时, cover/cap force is it retardant light 线穿透 products can force.

3. increase agent has what function?

答: low polymer separation 子间 次价键即范德华 force, from increase polymer separation 子链 移动 property, reduce polymer separation crystallization property.

4. is what polystyrene (PS) ratio polypropylene (PP) resistant oxidation property good?

答: unstable H by large 苯基 取代,PS不 easy aging causes is ring for Ｈ has function; ＰＰ in has hydrogen easy aging.

5.PVC受 hot unstable causes is what?

答: ① separation structure has agent 残基含 has 烯丙基 chlorine to active 化基团 function.端基 di 键, make heat stabilized property decline; ② oxygen effect/influence, accelerated PVC thermal degradation 时脱HCL; ③ reaction generate HCl for PVC degradation has catalytic function; ④ increase agent use amount effect/influence.

6. comprehensive currently research 结果, heat stabilized agent main/primary function has which?

答: ① absorption in and HCL,抑 made its catalytic function; ②置换PVC separation in unstable 烯丙基 chlorine 原子,抑 made HCl 脱出; ③ and more structure add formed reaction,破 bad large system formed, decrease/reduce color; ④捕捉自由基, retardant oxidation reaction; ⑤ in and or for degradation catalytic function metal or other has material 质; ⑥ for outer 线照射起保护 function, and decrease low function.

7. is what outer for polymer bad property most large?

答: outer long short, can amount large, large separation polymer chemical 键.

8.膨胀 type flame retardant belongs to type system, its basic principle function is what?

答: type flame retardant belongs to nitrogen system.

mechanism:含该 flame retardant polymer hot 时, surface can formed uniform foam 层, thermal insulation, oxygen, 抑烟, anti 滴落, tool has good flame retardant property can.

9. what is oxygen index (LOI), oxygen index (LOI) large small and flame retardant property has what 关系?

答: OI=O2/(O2 N2)×100%式 in, O2: oxygen gas amount; N2: nitrogen gas amount. oxygen index (LOI) 指一定 specifications Sample wax can 持续平稳燃烧时, in nitrogen oxygen mixed combined gas in must most low oxygen 体积百 separation content. OI<21 easy 燃, OI is 22～25 tool self-extinguishing property, 26～27 is flame resistant, 28 above is flame resistant.

10.锑卤 flame retardant system how to 发生协同 function?

答: commonly used is Sb2O3, material commonly used is has machine material. Sb2O3/ machine has material use, main/primary is is is it and material 放出 卤化 hydrogen function.

且产 material hot separation understanding formed SbCl3, it is 沸点不太 high property gas 体, this type of gas versus for density large, can long time in 燃烧区 inner dilute can property gas 体, 隔绝空 gas, to retardant function; its 次, it can 捕获燃烧 property 游离基,起以抑 made function. another, SbCl3 in upper 空凝结 formed liquid solid micro 粒, its 壁效应 dispersion a large amount of hot amount, make speed degree decrease speed or 停止. generally 说, chlorine and metal 原子以3:1 relatively is combined 适.

11. according to currently research, flame retardant function mechanism has which?

答: ① flame retardant in temperature degree lower separation understanding material formed 不挥发不 oxidation 玻璃状 film, can 隔绝空 gas can amount or tool has low thermal conductivity.

② flame retardant hot separation understanding formed 不燃烧 gas from dilute can property gas 体, 冲淡燃烧区 oxygen concentrated degree;

③ flame retardant solvent separation understanding hot consumption hot amount;

④ flame retardant make plastics surface formed more thermal insulation 稳炭层, retardant hot and 继续燃烧.

12. is what plastics in processing or use process in easy belt/tape electrical?

答: due to its polymer separation 子链差不 more is 共价键组 formed, can electrical also can electronics. in its processing and products use process in, its it material or 自身想接触 and scratch 时会因 is electronics belt/tape electrical, and difficult through 自身传导而消失.

13. anti-static agent separation structure has features?

答: R—Y—X R: hydrophilic 油基, Y: 连接基, X: hydrophilic water 基. in it separation in, non property separation hydrophilic and property separation hydrophilic water between tool has balanced, and polymer/macromolecule material tool has versus property, C12 above is type hydrophilic 油基, 而羟基, 羧基, acid and ether is type hydrophilic water 基.

14. brief overview anti-static agent function mechanism.

答: is anti-static agent in material surface formed conductive property film, can products surface tool has 一定吸 wet property and property film, from reduce surface resistivity, make already generate electrical speed 泄漏, to anti-static 目; is 赋予材 material surface has lubricated property, reduce friction coefficient, from made and decrease/reduce electrical generate.

① external anti-static agent generally water, alcohol or other has machine solvent agent as is solvent agent or dispersant use, use anti-static agent polymer material 时, anti-static agent hydrophilic separation solid in material surface, hydrophilic water separation toward outer from gas in absorption water separation, from in material surface formed conductive 层, to remove electrical function;

② inner anti-static agent is in plastics processing mixed polymer inner, rear 迁移至 polymer surface, to anti-static function;

③ polymer/macromolecule mixing/compounding type anti-static agent is will hydrophilic water property polymer uniform blending to polymer in, formed strip/profile strip/profile conductive 通道, and 释放静 electrical 荷.

15.橡胶硫化 rear, its structure and property can usually 发生何 types 变化?

答: ①硫化胶由线 type is 三位网状 structure; ② add hot again flow; ③不 again solvent it solvent agent in; ④ modulus and hardness improve/increase; ⑤ force property can improve/increase; ⑥ resistant aging property can and chemical stability property improve/increase; ⑦介质 property can can can decline.

16.硫磺硫化 and to 予体硫化 has different?

答: ①硫磺硫化: more 硫键, heat resistant, resistant aging 差, property good, deformation large; ②硫磺 to 予体: mono more, heat resistant, resistant aging good.

17.硫化 promote agent what function?

答: improve/increase products production efficiency reduce cost improvement property can. can promote function material 质. can shrink short time, reduce temperature degree, decrease/reduce agent use amount and improve/increase material mechanical properties and other.

18. what is scorching/burn marks phenomenon?

答: 橡胶胶 material in processing process in generate 早期硫化 phenomenon.

19. brief overview active property agent function and main/primary product types

答: active property agent function —— make promote agent active property reinforcement, make promote agent use amount decrease/reduce, make time shrink short.

active property agent: can increase has machine promote agent active property, make separation 发挥效 can, from decrease/reduce promote agent use amount or shrink short time material 质. active property agent generally separation is machine active property agent and has machine active property agent type. machine active property agent main/primary has metal oxidation material, hydrogen oxidation material and alkali carbon acid salt and other; has machine active property agent main/primary has acid type, amine type, type, more alcohol and alcohol and other. active property agent a small amount of add to 橡胶胶 material in can improve/increase its degree.

1)无 machine active property agent: main/primary is metal oxidation material;

2) has machine active property agent: main/primary is acid type.

attention/notes: ①ZnO can as is metal oxidation material agent, crosslinked 卤化橡胶; ②ZnO can improve/increase 硫化橡胶 resistant thermal properties.

20.何 is promote agent rear 效应, type promote agent tool has good rear 效应?

答: in temperature degree below/following, 不会引起早期硫化达 to temperature degree 时则硫化 active property large, this type of property is promote agent rear 效应. 次磺酰 amine type tool has good rear 效应.

21. lubricant and inner outer lubricant difference?

答: lubricant —— can improvement plastics pellets between and melt and processing equipment metal surface scratch force and viscous property, increase large resin flow property, to can resin time, maintain production additives, 即称之 is lubricant.

outer lubricant can in processing increase plastics surface lubricated property, decrease/reduce plastics and metal surface force, make its to machine 械 剪切 force drop most less, from to in loss plastics property can lower most easy processing molding 目. inner lubricant can decrease/reduce polymer inner scratch, increase plastics melt speed rate and melt deformation property, reduce melt degree and improvement property can.

inner outer lubricant difference: inner lubricant requirements and polymer has relatively good versus property, decrease/reduce separation 子链间 摩 scratch, high flow property can; outer lubricant requirements and polymer has versus property, reduce polymer and processing machine surface scratch.

22. filler strong/high function large small factors?

答:补 strong/high function large small 取决于 plastics 本身 本体 structure, filling pellets use amount, ratio surface and large small, surface active property, pellets large small and distribution, versus structure and pellets in high poly material in poly dispersion and dispersion. its in most important is: filler polymer polymer/macromolecule 链 形 formed interface versus function, this type of function 既包括 pellets surface for polymer/macromolecule material or chemical function force, also interface inner polymer/macromolecule crystallization and orientation and other.

23. reinforcement plastics strong/high degree which factors effect/influence?

答: ① reinforcement agent strong/high degree through selection to requirements; ② basic polymer strong/high degree, can through polymer selection and modified add meet/satisfy; ③ increase agent and basic polymer surface 胶结情况; ④ reinforcement material 组织材 material.

24. what is coupling agent, its separation structure features, 举例说明起 function mechanism.

答: coupling agent is can improvement filler and polymer/macromolecule material between interface features type material 质.

its separation structure in in types can 团: types can and polymer/macromolecule 基体发生 chemical reaction or less has good versus property; types can and machine filler formed chemical 键. 如: silicon coupling agent, can is RSiX3, its in R is and polymer separation has hydrophilic and force and reaction can force active property can 团, ethylene chlorine 丙基, ring oxygen 基, propylene 酰基, amine and and other. X is can hydrolysis oxygen 基, oxygen 基, oxygen and other.

25. what is foaming agent?

答: foaming agent is type can make 处于一定黏 degree scope/range inner liquid or property 状态 橡胶, plastics formed micro structure material 质.

material foaming agent: in foaming process in material 理状态变化 达 to foaming 目 一 type combined material;

chemical foaming agent: in temperature degree lower hot separation understanding generate types or multiple gas 体, make polymer foaming.

26.无 machine chemical and has machine chemical foaming agent separation understanding has features?

答: has machine foaming agent excellent disadvantages: ① in polymer in dispersion property good; ② separation understanding temperature degree scope/range relatively narrow, easy and control; ③ generate N2 gas 不燃烧, 不爆炸, easy liquid 化, expand dispersion speed degree small,不容 easy from foaming in 逸出,因而 method rate high; ④ pellets small, foaming 体 泡孔 small; ⑤ product types relatively more; ⑥ foaming rear relatively more, has high 达70%-85%, this has 时会引起异臭,污染 polymerization material or generate surface phenomenon; ⑦ separation understanding generally is hot reaction, if use foaming agent separation understanding hot high 话, can can in foaming process in formed foaming system inner outer relatively large temperature degree degree, has formed internal temperature degree high loss bad polymer material property can. ⑧ has machine foaming agent more is easy material, in and use 时都应 attention/notes anti 火.