He aha te Eva wax?

Eva Harare (te whakapiri wera wera) he maha nga momo whakamahinga, penei i te PA (polypropylene),

PE (polyethylene) me etahi atu mea kore-polar, engari ka taea hoki te whakatutuki i te painga pai.

Ko te paparanga whakapiri he pai te parenga pāmahana iti, te aukati wai me te makuku

ātete.

Na te mea he iti te rigidity o te ware pi EVA (whakarewa wera wera), he iti ake te ira ngohe

polyester me te polyamide wera rewa whakapiri, a ko tona waahi ngohe o te ao kei te 100 °C, no reira

he iti tona awhe tono.

Ko te Eva Wax (te whakapiri wera wera) he mea tito mai i te kapia Eva, te kapia tackifying, te wax me te whakapumau.

I whakauruhia e te kapia Eva etahi mekameka manga poto i titoa mai i nga ira waikawa ahetiki polar ki roto

ethylene manga mekameka, i whakararuraru i te āhua tioata taketake, hanga EVA ahu ki

"Plasticizing effect", me te whakaheke i te tioata o te ethylene i roto i nga mekameka manga,

whakanuia te tawhiti i waenga i nga mekameka polymer, kia ngawari ake te kapia EVA me te

rapa.

Ko te ihirangi o te VA i roto i te kapia Eva mai i te iti ki te ōrau teitei. No reira, te

Ko te ōrau o te VA me te MI (taupū whakarewa, e whakaata ana i te taumaha ngota) i roto i te kapia ko nga

Ko nga mea tino nui e whakatau tika ana me te awe i nga taonga o Eva.

EVA-1

Ko te tikanga, he tiketike te ihirangi Eva, ka piki te kaha o te piri, te makuku o te whakapiri

he pai te rauemi, he puhoi te wa whakaora, kua heke te parenga wera. He tiketike te taupū rewa,

ko te tikanga he iti te taumaha ngota, he iti te pokey, he pai te makuku, he iti te parenga wera,

piri tonu.

I roto i nga copolymers-a-ethylene, he kaha ake te kaha o Eva i te EEA (ethylene-Ethyl

acrylate), EAA (ethylene-propylene ester) me te EMA (ethylene-propylene ester) , me te

rerekē ki te ihirangi o VA.Ki te rerekē te Mi o EVA, te huringa o te pakaru tensile

ka nui ake te kaha.

Ka heke te kaha o te wax EVA i te pikinga o te ihirangi VA, ka riro

he iti rawa ina neke ake i te 25% te ihirangi VA.

He rite te rigidity flexural o EVA ki te PVC ngohengohe. Ka heke ki te pikinga o

VA, Na te piki o te MI, ka heke te rigidity piko.

He pai te hototahi o te kapia Eva, ka taea te whakauru ki etahi atu momo kapia hei whakapai ake

āhuatanga kikokiko. Mena ka konatunatua te kapia Eva me te nitrocellulose, he tino pai te nitrocellulose f

te ngawari, te aukati waku me te hiri wera.

Ko te PVC pakari i konatunatua ki te 5% ~ 10% EVA i pai ake te rere me te pai ake o te paanga

ātete. Ko te Eva kua whakauruhia ki roto i te kapia Polyamide he pai te atete ki te whakaneke me te paopao

i te pāmahana iti.

Qingdao Sainuo Chemical Co., Ltd. He kaihanga matou mo te ware pi PE, PP ware, OPEwax, EVA

ware pi, PEMA, EBS, Zinc / Calcium Stearate …. Kua paahihia o maatau hua ki TE WHAKAARO, ROHS,

PAHS, whakamātautau FDA.

okioki Sainuo te waki i tuturu, nau mai tou uiui!

Paetukutuku : https: //www.sanowax.com

I-meera : sales@qdsainuo.com

               Whaaipo

Adress : Ruma 2702, Block B, Suning Building, Jingkou Road, Licang District, Qingdao,

Haina


Wā tuku: Maehe-17-2021
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