Ni izihe mpamvu zituma habaho ibibyimba mu gice cyambukiranya amabati ya pulasitike?

Impamvu imwe nuko imbaraga zaho zishonga ubwazo ziri hasi cyane, bigatuma ibibyimba biva hanze hanze;

Impamvu ya kabiri ni uko kubera umuvuduko wo hasi ukikije gushonga, ibibyimba byaho byaguka kandi imbaraga zabo zigacika intege, bigakora ibibyimba biva imbere. Mubikorwa byo kubyaza umusaruro, nta tandukaniro riri hagati yimikorere yombi, kandi birashoboka ko bibaho icyarimwe. Ibyinshi mubituba biterwa no kwaguka kutaringaniye kwinshi kwinshi, bigatuma imbaraga zishonga zigabanuka.

Muncamake, ibisekuru byibibyimba mumabati ya pulasitike yuzuye birimo ibintu bikurikira:

Umusaruro wibibaho bya PVC mubisanzwe bifata ibyuma bitatu bitandukanye bya PVC: ubwoko bwo gushyushya, ubwoko bwa endothermic, cyangwa endothermic na exothermic composite equilibrium. Ubushyuhe bwo kubora bwa PVC bugenzura ifuro ni hejuru, bugera kuri 232 ℃, burenze kure ubushyuhe bwo gutunganya PVC. Iyo uyikoresheje, ubushyuhe bwangirika bugomba kugabanuka. Kubwibyo, mugihe ugenga ifuro ryibikoresho bya PVC, muri rusange PVC igenzura ifuro. Ubu bwoko bwo kugenzura ifuro rifite umuvuduko mwinshi, hafi 190-260ml / g, umuvuduko wo kubora vuba, hamwe nubushyuhe bukabije. Ariko, igihe cyo kubira ni gito kandi gitunguranye nacyo kirakomeye. Kubwibyo, mugihe ibipimo bya PVC bifata ifuro ari byinshi cyane kandi kubyara gaze nini cyane, bizatera umuvuduko wimbere muri bubble kwiyongera byihuse, ubunini bwikibyimba bukure cyane, kandi gaze irekurwa vuba, bitera kwangirika kwimiterere yububiko, gukwirakwiza kutaringaniye kwubunini bwigituba, ndetse no gushiraho ingirabuzimafatizo ifunguye, izabyara ibinini binini nubusa. Mugihe cyo gukora ibicuruzwa bya pulasitike bibyibushye, imashini ya PVC itabangamira ifuro ntigomba gukoreshwa yonyine, ahubwo igomba gukoreshwa ifatanije nuburozi bwa endothermic ifuro cyangwa ifatanije nubushyuhe hamwe nuburinganire bwimiti ikomatanya imiti. Ibikoresho bidafite ifumbire mvaruganda - sodium bicarbonate (NaHCO3) ni imiti myinshi ya endothermic. Nubwo igipimo cyo kubira ari gito, igihe cyo kubira ni kirekire. Iyo ivanze na PVC ifata ibyemezo, irashobora kugira uruhare rwuzuzanya kandi rwuzuye. Imashini ya PVC ya exothermic PVC itezimbere ubushobozi bwo kubyara gaze ya endothermic foam agent, mugihe PVC ya endothermic PVC ifata ibicurane ikonjesha iyambere, igahagarika iyangirika ryayo, kandi ikaringaniza irekurwa rya gaze, ikabuza kwangirika kwinshi kwimbere yibisahani binini, bikagabanya imvura igwa ibisigara, no kugira ingaruka zera.

Bitewe no kutagira ingaruka ku gipimo cyo kubira ifuro, birakwiye ko hongerwaho andi mashanyarazi ya PVC ya endothermic agenga imiti kugirango asimbuze ibintu bimwe na bimwe bituruka ku ifuro, kugira ngo ahagarike guturika kwatewe no kongeramo imiti myinshi.