(1) CPE
Chlorinated polyethylene (CPE) wani foda ne samfurin dakatarwar chlorination na HDPE a cikin lokaci mai ruwa. Tare da karuwan digiri na chlorination, asalin crystalline HDPE a hankali ya zama elastomer amorphous. CPE da ake amfani da shi azaman wakili mai ƙarfi gabaɗaya yana da abun ciki na chlorine na 25-45%. CPE yana da fadi da kewayon tushe da ƙananan farashin. Baya ga tasirinsa na tauri, yana kuma da juriyar sanyi, juriyar yanayi, juriyar harshen wuta, da juriya na sinadarai. A halin yanzu, CPE shine babban mai canza tasiri a kasar Sin, musamman wajen samar da bututun PVC da bayanan martaba, kuma yawancin masana'antu suna amfani da CPE. Adadin kari shine gabaɗaya kashi 5-15. Ana iya amfani da CPE tare da wasu ma'aikata masu ƙarfi, irin su roba da EVA, don cimma sakamako mafi kyau, amma abubuwan da suka shafi roba ba su da tsayayya ga tsufa.
(2) ACR
ACR copolymer ne na monomers kamar methyl methacrylate da acrylic ester. Shine mafi kyawun mai canza tasirin tasiri da aka haɓaka a cikin 'yan shekarun nan kuma yana iya ƙara ƙarfin tasirin kayan da sau da yawa. ACR na da tasiri mai gyara na core-harsashi tsarin, kunsha wani harsashi kunshi methyl methacrylate ethyl acrylate polymer, da roba elastomer kafa ta crosslinking tare da butyl acrylate kamar yadda core sarkar sashi rarraba a ciki Layer na barbashi. Musamman dace da tasiri gyare-gyare na PVC filastik kayayyakin don amfani da waje, ta yin amfani da ACR a matsayin tasiri mai gyara a cikin PVC filastik ƙofar da taga profiles yana da halaye na mai kyau aiki yi, m surface, mai kyau tsufa juriya, da kuma high waldi kusurwar ƙarfi idan aka kwatanta da sauran gyare-gyare. , amma farashin yana kusan kashi ɗaya bisa uku mafi girma fiye da CPE.
(3) MBS
MBS copolymer ne na monomers guda uku: methyl methacrylate, butadiene, da styrene. Ma'aunin solubility na MBS yana tsakanin 94 da 9.5, wanda ke kusa da ma'aunin solubility na PVC. Saboda haka, yana da kyau dacewa da PVC. Babban fasalinsa shine bayan ƙara PVC, ana iya yin shi a matsayin samfuri mai haske. Gabaɗaya, ƙara sassa 10-17 zuwa PVC na iya ƙara ƙarfin tasirin sa ta sau 6-15. Koyaya, lokacin da adadin MBS da aka ƙara ya wuce sassa 30, ƙarfin tasirin PVC a zahiri yana raguwa. MBS kanta yana da kyakkyawan tasiri mai tasiri, kyakkyawar fa'ida, da watsawa sama da 90%. Duk da yake inganta tasirin tasiri, yana da ɗan tasiri akan sauran kaddarorin resin, kamar ƙarfin ƙarfi da tsawo a lokacin hutu. MBS yana da tsada kuma sau da yawa ana amfani dashi tare da sauran masu gyara tasiri irin su EAV, CPE, SBS, da dai sauransu MBS yana da mummunan juriya na zafi da kuma juriya na yanayi, yana sa ya dace da amfani da waje na dogon lokaci. Ba a amfani da shi gabaɗaya azaman mai canza tasiri a cikin samar da kofa na filastik da bayanan martaba.
(4) SBS
SBS shine ternary block copolymer na styrene, butadiene, da styrene, wanda kuma aka sani da thermoplastic styrene butadiene roba. Nasa ne na thermoplastic elastomers kuma ana iya raba tsarinsa zuwa nau'i biyu: siffar tauraro da madaidaiciya. Adadin styrene zuwa butadiene a cikin SBS shine 30/70, 40/60, 28/72, da 48/52. Anfi amfani dashi azaman mai gyara tasiri don HDPE, PP, da PS, tare da sashi na sassa 5-15. Babban aikin SBS shine don inganta juriya mai ƙarancin zafin jiki. SBS yana da ƙarancin juriya na yanayi kuma bai dace da samfuran amfanin waje na dogon lokaci ba.
(5) ABS
ABS shine copolymer na ternary na styrene (40% -50%), butadiene (25% -30%), da acrylonitrile (25% -30%), galibi ana amfani dashi azaman robobi na injiniya kuma ana amfani dashi don gyaran tasirin PVC, tare da ƙarancin ƙasa. - tasirin gyare-gyaren yanayin zafi. Lokacin da adadin ABS da aka ƙara ya kai sassa 50, ƙarfin tasiri na PVC zai iya zama daidai da na ABS mai tsabta. Adadin ABS da aka ƙara shine gabaɗaya sassa 5-20. ABS yana da ƙarancin juriya na yanayi kuma bai dace da amfani da waje na dogon lokaci a cikin samfuran ba. Ba a amfani da shi gabaɗaya azaman mai canza tasiri a cikin samar da kofa na filastik da bayanan martaba.
(6) WUTA
EVA shine copolymer na ethylene da vinyl acetate, kuma gabatarwar acetate na vinyl yana canza crystallinity na polyethylene. Abubuwan da ke cikin vinyl acetate sun bambanta sosai, kuma ma'anar refractive na EVA da PVC sun bambanta, yana sa yana da wahala a sami samfuran gaskiya. Sabili da haka, ana amfani da EVA sau da yawa a hade tare da sauran resins masu jurewa tasiri. Adadin EVA da aka ƙara bai wuce sassa 10 ba.
Lokacin aikawa: Maris 15-2024
