Ko nga momo me nga punaha o te hinu whakahinuhinu e whakamahia nuitia ana i roto i te hanga korero PVC

I roto i te hanganga o te tohu, he rereke te hinu whakahinuhinu i whakamahia na te rereke o nga punaha pumau.I roto i te punaha whakapumau tote, ka taea te kowhiri i te waikawa stearic, te glyceryl stearate me te wax polyethylene hei whakahinuhinu;i roto i te punaha whakapumau hiato konupora konutea kore-paitini me te punaha whakapumau hiato o te whenua, waikawa stearic, butyl stearate, paraffin, pe waki me te konupūmā stearate ka taea te kowhiri hei whakahinuhinu;i roto i te tauira tine pararopi, calcium stearate, paraffin, wax polyethylene oxidized ka taea te kowhiri hei whakahinuhinu.Ko nga ahuatanga matua o nga hinu hinu noa e whai ake nei:

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(1) konupora stearate
Te paura ma, te rewa 148-155 ℃, kore-paitini, pai te whakahinuhinu me te mahi, kaore he parahanga sulfide, ka whakamahia tahi me te tote mata me te hopi mata, ka taea te whakapai ake i te tere o te reera, a ko te inenga ko te tikanga 0.1-0.4PHR.
(2) Wax polyethylene
Ko te paura ma, he 100-117 ℃ te waahi ngohengohe.Na te mea he nui te taumaha o te irapoi, teitei te rewa me te iti o te pähekeheke, ka kitea hoki te whakahinuhinu i te kaha ake o te pāmahana me te tere kutikuti.He pai mo te PVC maataki kotahi me te mahanga hurihanga hurihanga, me te nui noa o te 0.1-0.5PHR.
(3) Wax polyethylene oxidized
Ko te paura ma, kowhai kowhai ranei, he matūriki ranei, ko te wax polyethylene oxidized he hotokore tonu ki te PVC, ahakoa he iti nga roopu polar kei roto, engari he nui te pai o te whakahinuhinu, ka taea te whakapai ake i te whakahinuhinu i waenga i te polymer me te whakarewa, te whakapai ake i te pai o te extrusion, te whakapai ake i te te whakamararatanga o nga karaehe, me te tuku i nga hua he maamaa me te maamaa.Inenga 0.1-0.5PHR.

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(4) Te waikawa Stearic
He matūriki ma, he kowhai ranei, he rewa 70-71 ℃.Ka puhoi haere i te 90-100 ℃.Ka whakamahia hei whakahinuhinu waho i roto i te tukatuka o te PVC pakeke.Ko te nui ko te 0.2-0.5PHR, a ka whai hua ki te aukati i te whakamaarama chromatography, engari he ngawari ki te rehu huka mena he nui rawa te nui.

(5) Waki ​​paraffin
Ko te ira whakarewa 57-63 ℃, kaore he roopu polar, he momo whakahinuhinu o waho.Na te iti o te rewa, te ngawari o te whakaetonga, me te iti o te rewa rewa, ka taea noa e ia te mahi whakahinuhinu i roto i te awhe whaiti.He mea pai mo te tangohanga ma te kotahi me te mahanga nga miihini whakakoi, me te inenga whanui o te 0.1-0.8PHR.He iti te marama o tenei hua, he ngawari ki te huri ma.
I roto i te mahi, ka kitea ka whakamahia tahi nga hinu e rua, neke atu ranei, he rereke nga paanga i te wa e whakamahia ana anake.I roto i te whakatakotoranga o nga rawa korero, ko te nuinga o aua mea kua whakaranua.Ko te punaha orite me nga ahuatanga o nga hinu whakahinuhinu noa ka whakarapopotohia penei:
(1) Calcium stearate – Paraffin (polyethylene wax) pūnaha whakahinuhinu
Ko te whakamahi o te konupūmā stearate anake i roto i te tātai ka taea te whakatere i te kirihou, te whakapai ake i te rewa rewa, te whakanui ake i te taipana, me te whai i etahi paanga whakaheke.Ko te whakamahinga o te paraffin anake e whakaatu ana i te whakaroa i te whakakikoruatanga, te iti o te taipana, me te kore he paanga whakaheke.Ina whakauruhia te konupūmā stearate me te paraffin wax (wax polyethylene) i roto i tetahi waahanga, ka whakaatu he painga pai, ka taea te whakaheke i te uara taipana o te rauemi.Ko te mea tenei na te mea ka uru te paraffin ki roto i nga ngota ngota konupūmā stearate, te whakapakari i te whakahinuhinu, te whakaatu i te kaha o te mahi tahi, me te whakapai ake i te marara o te hinu.

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(2) Te waikawa Stearic – Paraffin (polyethylene wax) pūnaha whakahinuhinu
He rite tonu te tikanga ki tera o te calcium stearate - Paraffin (polyethylene wax) punaha, ka taea te whakapai ake i te pumau o te waiariki o te tauira, te whakaheke i te whakaheke, te whakapai ake i te wai, me te whakangawari i te whakaheke.
(3) Wax polyethylene oxidized – hākawa – calcium stearate
Ka whakamahia tahi te wax polyethylene, ester me te calcium stearate, ka tino roa te wa whakakikorua me te pikinga o te nui o te polyethylene wax, i te wa e whakamahia tahitia ana te wax polyethylene, te paraffin wax, te ester me te calcium stearate, ka piki te wa whakahiato i te tuatahi, ka heke ki te pikinga o te nui o te wax polyethylene oxidized, e whakaatu ana i te huanga mahi tahi.
Hei mutunga, i te wa e ako ana i te tauira tohu PVC, he mea tika kia maarama ehara i te mea anake nga ahuatanga me nga mahi o ia hinu hinu, engari ano hoki te paanga synergistic i waenga i a raatau.I tua atu, me whakarereke te ahua o te ahua o te PVC me te whakarereke i runga i nga rereketanga o nga taputapu tukatuka me nga miihini.
Mena kei te pirangi koe ki te whakahinuhinu tika, haere mai ki Qingdao Sainuo!
Qingdao Sainuo Chemical Co., Ltd.He kaihanga matou mo te ware pi PE, wax PP, wax OPE, wax EVA, PEMA, EBS, Zinc/Calcium Stearate….Kua paahitia e a maatau hua te REACH, ROHS, PAHS, whakamatautau FDA.
Sainuo, nau mai to patai!
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Wā tuku: Tihema-27-2022
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