Hom ntawm polyester plasticizers

1. Tricresyl phosphate (TCP): nplaim hluav taws zoo, tiv thaiv tshav kub, roj tsis kam thiab hluav taws xob rwb thaiv tsev, thiab tsis zoo rau cov khaub thuas.

2. Trioctyl phosphate (TOP): zoo txias tsis kam, tsis tshua muaj volatility, tab sis yooj yim rau migrate thiab tsis zoo roj kuj.

3. Polyester polyester nrog molecular hnyav ntawm 1000 thiab 8000, feem ntau yog siv los ua roj-resistant plasticizer, tsis tshua muaj volatility, tsis tshua muaj kev tsiv teb tsaws, roj tsis kam, dej tsis kam, thiab kub tsis kam. Cov ntau yam tseem ceeb yog: sebacic acid series, adipic acid series, phthalic acid series, thiab lwm yam. Ntawm lawv, sebacic acid series muaj cov nyhuv plasticizing zoo, thiab cov phthalic acid series muaj cov nyhuv plasticizing tsis zoo.

Cov ester hluavtaws plasticizers muaj cov polarity siab thiab feem ntau yog siv hauv cov roj hmab polar. Raws li tus nqi nce, lub cev thiab lub zog ntawm cov roj hmab txo qis, tab sis qhov elongation thiab resilience nce. Kev siv cov hlua ncaj nraim fatty acid esters tuaj yeem txhim kho qhov txias tsis kam ntawm cov roj hmab vulcanized, tab sis nws yooj yim rau extract.

DOP, DBP, TCP, thiab lwm yam yog feem ntau siv hauv NBR. DOA, DOZ, DBS, thiab lwm yam tuaj yeem siv rau cov khoom txias-resistant, thiab polyester plasticizers tuaj yeem siv rau cov khoom siv roj. CR feem ntau siv 5-10 qhov chaw ntawm cov roj av-raws li plasticizers, tab sis thaum siv rau cov khoom tiv taus txias, ester plasticizers yuav tsum tau siv, thiab polyester plasticizers yuav tsum tau siv rau cov khoom siv roj. SBR: Thaum txhim kho kev ua tau zoo, siv roj av-raws li plasticizers; Thaum txhim kho qhov txias, siv cov roj fatty acid thiab fatty dibasic acid ester plasticizers. IIR: Thaum txhim kho kev ua haujlwm txias, DOA thiab DOS cov yas yas tuaj yeem siv tau, thiab thaum txhim kho cov roj ua haujlwm, cov khoom siv polyester tuaj yeem siv tau.

4. Epoxy: Cov yas yas no feem ntau suav nrog cov roj epoxidized, epoxidized fatty acid monoester thiab epoxidized tetrahydrophthalate. Epoxy plasticizers txhua tus muaj cov qauv epoxy hauv lawv cov molecules thiab muaj cov cua sov zoo thiab lub teeb ua haujlwm.

Epoxidized roj, xws li epoxidized soybean roj, epoxidized linseed roj, thiab lwm yam., muaj ib tug ntau dua epoxy tus nqi, feem ntau 6 mus rau 7 feem pua, thiab muaj zoo tshav kub tsis kam, lub teeb kuj, roj kuj thiab volatility kuj, tab sis yog txias-resistant. cov khoom thiab cov nyhuv plasticizing. Tus nqi epoxy ntawm epoxidized fatty acid monoester feem ntau yog 3 feem pua ​​​​rau 5 feem pua ​​​​, thiab feem ntau muaj qhov txias txias, thiab nws cov nyhuv plasticizing zoo dua DOA. Nws feem ntau yog siv rau hauv cov khoom uas yuav tsum tau txias thiab huab cua tsis kam. Feem ntau siv epoxidized fatty acid monoesters muaj xws li butyl oxyoleate, octyl ester, thiab tetrahydrofurfuryl cawv ester. Tus nqi epoxy ntawm epoxidized tetrahydrophthalate yog qhov tsawg, feem ntau tsuas yog 3 feem pua ​​​​rau 4 feem pua, tab sis lawv muaj ob qho tib si epoxy qauv thiab phthalate qauv, yog li txhim kho cov epoxy roj Compatibility.