Shanghai Daoqin Plastics Co., Ltd.

plastics additives also plastics additives, is polymer （ combined formed resin ）进行 molding processing is improvement its processing properties or is improvement resin property can add combined material, main/primary function is improvement polymer process property can, optimization processing conditions, improve/increase processing efficiency and products property can, improve/increase product use value and lifespan.

例如, is reduce polyvinyl chloride (PVC) resin molding temperature degree, make products soft/flexible add increase agent; also is made quality light, resistant 震, thermal insulation, foam plastics add foaming agent; has plastics hot separation understanding temperature degree and molding processing temperature degree non 常接近, add heat stabilized agent method molding, therefore plastics additives in plastics molding processing in has especially important 位.

used for plastics molding processing additives heat stabilized agent, increase agent, antioxidant, light stabilizer, flame retardant, foaming agent, anti-static agent, color agent and increase agent, filling agent, coupling agent, lubricant, demolding agent and other.

 一, stabilizer

1, heat stabilized agent

heat stabilized agent main/primary used for polyvinyl chloride (PVC) and its copolymer, polyvinyl chloride (PVC) in hot processing process in, in to melt flow front has a small amount of separation fracture 而放出 chlorine hydrogen, chlorine hydrogen is types accelerated separation fracture reaction catalytic agent, therefore and troubleshooting rigid separation understanding chlorine hydrogen make polymer/macromolecule fracture understanding formed is low separation combined material, polyvinyl chloride (PVC) this category of plastics can processing molding. in polyvinyl chloride (PVC) in add 入适当 alkali property material can upper in and separation understanding chlorine hydrogen, to stability polyvinyl chloride (PVC) 目.

commonly used heat stabilized agent separation is stabilizer and stabilizer:

主 stabilizer: main/primary is has 铅, 钙, 镉, zinc, 钡, aluminum, 锂, and other heavy metal cationic salt type and type

its in acid and hard acid application most is 广泛.

辅助 stability: main/primary ring oxidation and ester type, meanwhile it tool has is increase agent function.

2, antioxidant

antioxidant is type chemical material 质, its in polymer system in a small amount of in 时, can or made polymer oxidation process 进行, improve/increase polymer use lifespan. commonly used plastics antioxidant separation structure and function mechanism generally separation is type: retardant type, acid ester type, type, composite/compounding type and retardant amine (HALS) type.

3, outer absorption agent

high poly material outer 线照射会发生 light degradation. outer absorption agent is type can absorption outer or decrease/reduce outer 线透射 function chemical material 质, it can can amount 转换, will high can amount outer light formed hot can or bad property relatively long light 波 形式 can amount 释放出, from 而保护 high poly material 免遭紫 outer bad.

紫 outer absorption agent chemical structure can separation is below/following type: water acid ester type, ketone type, 苯并三唑 type, acrylonitrile type, type and retardant amine type.

4, light agent

light agent is type can will has high poly material light absorption, rear will light can formed hot can dispersion injection shot or will light 波反射掉, from for high poly material to function material 质. light agent main/primary has 炭黑, oxidation zinc, titanium powder, zinc and other black or white can absorption or light material 质.

二, processing additives

processing additives is used for improvement plastics processing property and molding property can additives, usually viscosity or surface can low, tool has lubricated function additives; main/primary increase agent and lubricant.

1, increase agent

increase agent its tool has low polymer separation 子间 范德华 force function from increase polymer separation 子链 移动 property, reduce polymer separation crystallization property can increase plastics soft/flexible property, property, can property, reduce plastics flow temperature degree and hardness, has plastics products molding. commonly used increase agent has 苯二甲 acid ester type, acid ester type, chlorine wax and other.

increase agent can separation is increase agent and increase agent large type.

主 increase agent features is and resin versus solvent property good, efficiency high, resistant 迁移, low property, low 油（ water ）抽出 property, low temperature flexible; increase agent and resin versus solvent property relatively 差, main/primary is and increase agent use reduce cost.

2, 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.

lubricant can separation is outer lubricant and inner lubricant.

outer lubricant main/primary function is make polymer melt can 顺利 离开 processing equipment hot metal surface. outer lubricant and polymer versus solvent property relatively 差, is in polymer and metal interface formed thin thin lubricant 层, most commonly used outer lubricant is hard acid and its metal salt type.

inner lubricant and polymer has good versus solvent property, can reduce polymer separation inner poly force , from has polymer flow and reduce inner scratch hot rise temperature, most commonly used inner lubricant is low molecular weight polyethylene (PE) and other.

3, demolding agent

demolding agent is types mold and formed product between function property material 质. demolding agent has chemical resistance, in and different resin chemical formed 份（ especially is styrene and amine type ）接触时不 by solvent understanding. demolding agent also tool has heat resistant and force property can, easy separation understanding or abrasion loss; demolding agent bonding to mold upper 而不转移 to by processing made parts upper, 不妨碍喷漆 or other processing as. due to injection molding, extrusion, calendering, pressure, lamination and other process speed development, demolding agent use amount large degree improve/increase.

三, reinforcement material and filler

in many plastics in, reinforcement material and filler has versus specific gravity, main/primary is: is improve/increase plastics products strong/high degree and rigid property or reduce production cost, generally add various fiber material or machine material. most commonly used reinforcement material has: glass fiber, 石棉, 石英, 炭黑, silicon acid salt, carbon acid 钙, metal oxidation material and other.

四, coupling agent

coupling agent is can improvement filler and polymer/macromolecule material between interface features type material 质. usually coupling agent separation structure in in types can 团: types can and polymer/macromolecule 基体发生 chemical reaction or has relatively good versus property;另一 types can and machine filler formed chemical 键. 如; silicon coupling agent, can is RSiX3（R is and polymer separation has hydrophilic and force and reaction can force active property can 团, ethylene 基, chlorine 丙基, ring oxygen 基, propylene 酰基, amine and and other; X is can hydrolysis oxygen 基, oxygen 基, oxygen and other ）. reinforcement agent or filler use coupling agent rear, can make its surface obtain types chemical modified, in dispersion machine versus and polymer between formed types 桥键, formed is types composite/compounding material, improve/increase reinforcement agent or filler function, has machine silicon is most is use coupling agent, has machine titanium acid ester is types more high coupling agent.

五, crosslinked agent

crosslinked agent main/primary use in polymer/macromolecule material （橡胶 and hot solid property resin ） in. is polymer/macromolecule material separation structure is property structure, crosslinked strong/high degree low, easy 拉断, has elastic property, crosslinked agent function is in type separation between generate chemical 键, make type separation versus in 一起, formed structure, this improve/increase strong/high degree and elastic property, in use crosslinked agent main/primary is 硫磺, another need add promote agent. generally crosslinked agent more has machine oxidation material, polyethylene (PE) crosslinked agent can use oxidation 二异丙苯.

六, foaming agent

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. foaming agent according to function mechanism can separation is material foaming agent and chemical foaming agent. 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 make polymer foaming.

七, nucleating agent

nucleating agent is suitable for polyethylene (PE), polypropylene (PP) and other full crystallization plastics, through resin crystallization is, add fast crystallization speed rate, increase crystallization density and make dimensions micro fine 化, to shrink short molding cycle, improve/increase products transparent property, surface gloss, resistant strong/high degree, rigid property, heat deflection temperature (HDT), impact resistant property, resistant creep property and other material mechanical properties new function additives.

 八, color agent

color agent is can solvent 于普通 solvent agent chemical material 质, need obtain color property can, need use machine methods will material uniform dispersion plastics in. machine material heat stabilized property, light stabilization property excellent 良, price low, color force versus for 差, versus for density large; has machine material color force high, color 泽鲜艳, color full, versus for density small, disadvantages is heat resistant property, weather resistance and cover/cap force and other property 质不如无 machine material. color agent main/primary color masterbatch and light increase agent.

1, color masterbatch

color masterbatch is types ultra- 常 amount material or material uniform 载附于 resin in made poly 集体. its basic formed 包括: material or material, 载体, dispersant, additives; tool has below/following advantages: maintain material chemical stability property and color stability property, improve/increase material dispersion property, as simple, color easy, ring dry 净, time and Raw Materials.

2, light increase agent

荧 light increase agent is types light material, or white material, is types complex has machine combined material, it features is can 激发入射 light generate light, make material obtain similar 萤石 闪闪发 light 效应, make 肉眼看 to material very 白. according to light increase agent classification, large can will it separation is carbon ring type, 三嗪基氨基二 styrene type, styrene -三 nitrogen type, 苯并噁唑 type, 呋喃, 苯并呋喃 and 苯并咪唑 type, 1, 3-二苯基-吡唑啉 type, 香豆素 type, 萘酰亚 amine type and type and other type.

 九, antimicrobial agent

随 人们 safety 意识 不断 reinforcement, 越 越 more 人开始购买 antimicrobial type plastics products. antimicrobial plastics in use to antimicrobial agent. antimicrobial agent can in time inner, make certain micro material （ fine 菌, true 菌, 酵母菌, type and and other ） 生 long or maintain in necessary water below/following chemical material 质. antimicrobial agent is tool has and property can material 质.

十, flame retardant

decrease plastics property can additives is flame retardant, has flame retardant plastics large more tool has self-extinguishing property, or tool has speed rate decrease function.

十一, anti-static agent

任何 material belt/tape has 本身 静 electrical 荷, this type of electrical can is negative electrical can is positive electrical 荷. electrical poly make active or industrial production to effect/influence 甚至危害, will poly has electrical 荷导引/消 remove make its for production or active formed or chemical material is anti-static agent. anti-static agent generally tool has surface active property agent 特征, structure upper property and non property 基团兼而 has 之. commonly used property 基团（即 hydrophilic water 基团） has: acid, acid, acid, acid anionic 离子, amine salt, salt cationic 离子, and -OH, -O- and other 基团; commonly used non property 基团（即 hydrophilic 油基团 or hydrophobic water 基团） has 烷基, 烷芳基 and other. anti-static agent can has types basic type type: amine material, salt, acid ester, acid ester and poly ethylene glycol material.