Labarai

Yadda za a magance matsalolin sarrafa kayan kebul marasa hayaki na halogen?

LSZH yana nufin halogens masu ƙarancin hayaƙi, marasa ƙarancin hayaƙi, wannan nau'in kebul da waya yana fitar da ƙarancin hayaƙi kuma baya fitar da halogens masu guba idan aka fallasa shi ga zafi. Duk da haka, Domin cimma waɗannan muhimman abubuwa guda biyu, wajen samar da kayan kebul marasa ƙarancin hayaƙi, halogens masu ƙarancin hayaƙi (LSZH) suna da nauyi sosai, wanda kuma ke haifar da halayen injiniya da sarrafawa kai tsaye.

Matsalolin da ake fuskanta wajen sarrafa kayan da ba su da hayaki mai ƙarancin hayaƙi:

1. Tsarin da aka saba amfani da shi, mahaɗan kebul na LLDPE/EVA/ATH masu cike da abubuwan da ke cikin LSZH polyolefin sun ƙunshi har zuwa 55-70% ATH/MDH. Kamar yadda yawan aluminum hydroxide, magnesium hydroxide, da sauran abubuwan hana harshen wuta don haɗawa da amfani da tsarin ba shi da kyau, samar da zafi mai ƙarfi yayin sarrafawa yana haifar da ƙaruwar zafin jiki wanda ke haifar da lalata aluminum da magnesium hydroxide.

2. Ƙarancin ingancin fitar da iska, koda kuwa kun ƙara saurin fitar da iskar, hakan ya kasance iri ɗaya.

3. Rashin jituwa tsakanin masu hana harshen wuta da kuma masu cikawa da polyolefins, rashin yaɗuwa sosai yayin sarrafawa, wanda ke haifar da raguwar halayen injiniya.

4. Taurin saman da rashin sheƙi yayin fitar da iska saboda warwatsewar abubuwan hana harshen wuta marasa tsari a cikin tsarin.

5.Tsarin tsarin abubuwan hana harshen wuta da abubuwan cikawa yana sa narkewar ya manne a kan mold, yana jinkirta sakin kayan daga mold, ko ƙananan ƙwayoyin da ke cikin mold ɗin suna fitowa, wanda ke haifar da tarin kayan a buɗe mold, don haka yana shafar ingancin kebul ɗin.

Dangane da batutuwan da ke sama, SILIKE ta ƙirƙiro jerinƙarin siliconesamfuran da aka tsara musamman don magance matsalolin sarrafawa da ingancin saman kayan kebul marasa hayaki na halogen, waya da mahaɗan kebul masu ƙarancin hayaki, ko wasu mahaɗan Polyolefin masu cike da ma'adinai don aikace-aikacen waya da kebul, suna ba da mafita iri-iri masu tasiri ga waɗannan ƙalubalen.

Misali:Batch na Silicone (Batch na Siloxane) LYSI-401wani tsari ne da aka yi da pelletized wanda ke da siloxane polymer mai nauyin kwayoyin halitta mai girman 50% wanda aka watsa a cikin polyethylene mai ƙarancin yawa (LDPE). Ana amfani da shi sosai azaman ƙarin aiki mai inganci a cikin tsarin resin mai jituwa da PE don inganta halayen sarrafawa da kuma daidaita ingancin saman.

Ƙara 0.5-2% naSilike silicone masterbatch LYSI-401ga tsarin cikewa mai ƙarfi na waya mara hayaki da mahaɗan kebul marasa hayaki ko kayan kebul marasa hayaki (LSZH) yana bawa masu kera waya da kebul damar haɓaka yawan aiki, yana iya inganta sauƙin sarrafawa, rage ƙarfin juyi, saurin layin fitarwa na saman ba tare da wani ƙaura ba, inganta ingancin saman waya da kebul ɗin suma, (Ƙarancin yawan gogayya, Inganta juriyar karce da lalacewa, mafi kyawun zamewa a saman, da jin hannu…) ba tare da biyan kuɗi don ƙarin ayyuka marasa amfani ba.

Yawanci, don Na yau da kullunbabban batch ɗin silicone, siloxane ba shi da polar, kuma yawancin sigogin narkewar polymer na sarkar carbon na bambancin suna da girma sosai, ƙarin adadi mai yawa na shari'o'i na iya haifar da sarrafa zamewar sukurori, yawan shafawa, saman ɓarnar samfurin, yana shafar saman samfuran halayen haɗin samfuran a cikin substrate da aka watsar ba daidai ba da sauransu.

Yayin da,Ƙarin silikon mai nauyin ƙwayoyin cuta na SILIKEAna gyara su ta hanyar ƙungiyoyi na musamman, waɗanda za a iya zaɓa su kuma a daidaita su bisa ga buƙatun daban-daban na ƙarin silicone a cikin substrates daban-daban. Wannan jerin samfuran na iya taka rawar da ke ɗaure a cikin substrates, don haka ya fi dacewa da substrates, ya fi sauƙin warwatsewa, ya fi ƙarfi da haɗin gwiwa, don haka yana ba substrates aiki mai kyau. Lokacin da aka yi amfani da shi a cikin tsarin LZSH da HFFR, yana iya guje wa zamewar dunƙule yadda ya kamata kuma yana iya taka muhimmiyar rawa wajen inganta tarin kayan a cikin mold na baki.