Additives feem ntau siv nyob rau hauv cov xim sib xws xws li dispersant, lubricant ( EBS , pe wax, pp wax)), diffusion roj, coupling agent, compatibilizer thiab lwm yam. Feem ntau ntsib resin additives muaj xws li nplaim hluav taws, toughening agent, brightener, anti ultraviolet agent, antioxidant, antibacterial agent, antistatic agent, thiab lwm yam. Feem ntau cov fillers yog fillers rau txo nqi los yog hloov lub cev, xws li lub teeb calcium carbonate, hnyav calcium carbonate, talc hmoov, mica, kaolin, silica, titanium dioxide, liab av nkos, ya tshauv, diatomite, wollastonite, iav hlaws, barium sulfate, calcium sulfate, raws li zoo raws li cov organic fillers, xws li ntoo hmoov, pob kws starch thiab lwm yam kev ua liaj ua teb thiab hav zoov los ntawm - khoom. Filling thiab reinforcing cov ntaub ntawv muaj xws li iav fiber, carbon fiber, asbestos fiber, hluavtaws organic fiber, thiab lwm yam.

1. Dispersants thiab lubricants
Dispersant hom muaj xws li: fatty acid polyurea, Hydroxystearate, polyurethane, oligomeric xab npum, thiab lwm yam.
Tam sim no, feem ntau siv dispersant nyob rau hauv kev lag luam yog lubricant. Lub lubricant muaj qhov zoo dispersion, thiab tseem tuaj yeem txhim kho qhov fluidity thiab demoulding kev ua tau zoo ntawm cov yas thaum molding.
Lubricants tau muab faib ua cov lubricants sab hauv thiab cov lubricants sab nraud. Internal lubricants muaj ib co compatibility nrog cob, uas yuav txo tau cov cohesion ntawm resin molecular chains, txo yaj viscosity thiab txhim kho fluidity. Lub compatibility ntawm sab nraud lubricant thiab cov resin yog tsis zoo. Nws txuas rau saum npoo ntawm cov molten resin los tsim cov txheej txheem lubricating molecular, thiaj li txo qhov kev sib txhuam ntawm cov resin thiab cov khoom siv ua haujlwm.
Lubricants feem ntau muab faib ua pawg raws li cov qauv tshuaj:
(1) Hydrocarbons xws li paraffin wax, polyethylene wax ( YU ciab ), polypropylene wax (PP wax), micro hmoov ciab, thiab lwm yam.
(2) Fatty acids. Xws li stearic acid, hydroxystearic acid.
(3) Fatty acid amides thiab esters. Xws li ethylene bis-stearamide (EBS), butyl stearate, oleic acid amide, thiab lwm yam. EBS muaj feem xyuam rau tag nrho cov thermoplastic thiab thermosetting plastics, feem ntau yog rau dispersion thiab lubrication.
(4) Hlau xab npum. Piv txwv li, barium stearate, zinc stearate, calcium stearate, cadmium stearate, magnesium stearate, lead stearate, thiab lwm yam muaj thermal stability thiab lubrication.
(5) Lubricant rau demoulding. Xws li polydimethylsiloxane (methyl silicone roj), polymethylphenylsiloxane (phenylmethyl silicone roj), polydiethylsiloxane (ethyl silicone roj), thiab lwm yam.
Nyob rau hauv cov txheej txheem txhaj tshuaj, thaum qhuav xim yog siv, cov tshuaj kho deg xws li cov pob zeb hauv av dawb thiab cov roj diffusion yog feem ntau. ntxiv rau hauv cov txheej txheem ntawm kev sib tov, thiab kev ua haujlwm ntawm adsorption, lubrication, diffusion thiab demoulding yog ntxiv. Ua ntej ntxiv tus neeg saib xyuas qhov chaw thiab co zoo, ces ntxiv toner thiab co zoo.
Thaum xaiv, qhov kub tsis kam ntawm dispersant yuav tsum tau txiav txim siab raws li molding kub ntawm cov ntaub ntawv raw khoom. Hauv cov ntsiab lus, yog tias cov dispersant tuaj yeem siv rau qhov nruab nrab thiab qis qis, cov dispersant nrog kub tsis kam yuav tsum tsis txhob xaiv los ntawm kev xav ntawm tus nqi. High kub dispersant yuav tsum tiv taus siab tshaj 250 ℃.
Sib txawv dispersants thiab lubricants kuj yuav tsum tau ntxiv thaum lub sij hawm hloov kho toner. Table 1 teev cov roj nplua nyeem siv tau rau qee cov khoom siv raw.
2. Coupling agent thiab compatibilizer
Coupling tus neeg saib xyuas tuaj yeem txhim kho qhov kev sib raug zoo ntawm cov xim thiab cov resin. Piv txwv li, coupling tus neeg saib xyuas kev kho mob ntawm inorganic pigments xws li carbon dub thiab titanium dawb tuaj yeem txhim kho lawv cov dispersion hauv resin. Thaum npaj cov xim masterbatch, ntxiv coupling tus neeg sawv cev thiab compatibilizer tuaj yeem txhim kho qhov kev sib raug zoo ntawm cov cab kuj thiab cov resin siv, ua kom zoo sib xws, thiab txhim kho cov txheej txheem fluidity thiab dispersion.
Thaum siv cov ntaub ntawv hloov kho (xws li PP + iav fiber ntau) lossis ntxiv cov khoom siv masterbatch, ntxiv tus neeg sawv cev sib txuas thiab kev sib koom ua ke tuaj yeem tsis tsuas yog txhim kho kev sib raug zoo ntawm cov cob thiab muab tub lim (xws li calcium carbonate, iav fiber, thiab lwm yam), tab sis kuj nce fluidity.
Cov hom kev sib txuas tseem ceeb yog silane coupling tus neeg sawv cev, titanate coupling tus neeg sawv cev, thiab lwm yam.
Compatibilizers tuaj yeem txhim kho thiab ua kom muaj kev sib raug zoo ntawm ob qho sib txawv resins. Piv txwv li, polycaprolactone (PCL) tuaj yeem siv los ntawm phenylenenitrile styrene copolymer (SAN) thiab polycarbonate (PC).
3. Lwm cov kev hloov pauv hloov
lwm cov khoom hloov pauv muaj xws li iav fiber ntau, nplaim hluav taws kub, toughener, brightener, anti ultraviolet tus neeg saib xyuas, antioxidant, antibacterial agent thiab antistatic agent. Fillers muaj xws li calcium carbonate, talc hmoov, mica, thiab lwm yam. qee zaum muaj ntau yam kev hloov kho tshuaj (xws li copolymerization, crosslinking, grafting), kev hloov kho lub cev (sau, ntxiv dag zog, sib tov lossis ntxiv cov khoom ntxiv) lossis ncaj qha sib xyaw ntawm cov khoom hloov kho thaum lub sijhawm tsim khoom (xws li PP. + PE, 1: 1 ratio ntau lawm).
Qingdao Sainuo Chemical Co., Ltd. Peb yog cov chaw tsim khoom rau PE ciab, PP ciab, OPE ciab, EVA ciab, PEMA, EBS, Zinc / Calcium Stearate .... Peb cov khoom tau dhau los ntawm REACH, ROHS, PAHS, FDA kuaj. Sainuo so assured ciab, txais tos koj nug! Lub Vev Xaib: https://www.sanowax.com
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