He aha nā mea hoʻohui plastik? He aha nā mea hoʻohui plastik maʻamau i hoʻohana ʻia i kēia lā?

He aha nā mea hoʻohui plastik maʻamau i kēia lā?

1. Nā mea hoʻohui hoʻopaʻa pale (anti-adhesive)

Hiki i ka ho'opili ke ho'opō'ino i ka hana ki'i'oni'oni a me nā noi, i kekahi manawa e ho'ohana 'ole ai ke ki'i. Hoʻopili nā mea hoʻohui anti-blocking i ka ʻili o ke kiʻiʻoniʻoni e hana i kahi hopena hoʻolōʻihi, e hōʻemi ana i ka pilina ma waena o nā kiʻiʻoniʻoni a pale iā lākou mai ka pili pū ʻana.

Pono e hoʻokō pono nā mea hana anti-blocking, me ka maikaʻi a me ka paʻa, me ka liʻiliʻi a i ʻole ka hopena i ka hana kiʻiʻoniʻoni, ʻoi aku ma nā kiʻiʻoniʻoni LLDPE a me LDPE. Hoʻohana pinepine ʻia nā anti-blocking agents me nā slip agents e hana i kahi kaʻina hana maikaʻi loa no nā kiʻiʻoniʻoni.

ʻO nā mea maʻamau o nā mea hoʻohui anti-blocking he silica synthetic (SiO2) e like me ka silica fumed, gel silica, a me ka zeolite, a i ʻole SiO2 kūlohelohe a me ka mineral e like me ka pālolo, honua diatomaceous, quartz, a me talc. Loaʻa i nā mea synthetic ka maikaʻi ʻaʻole he crystalline (e pale i ka lepo pohihihi), aʻo nā mea kūlohelohe e pono ai ka mālama kūikawā e hōʻemi i ka lepo.

2. Nā mea hoʻomaʻamaʻa wehewehe

I ka wā o ka hoʻoili ʻana, hiki i nā mea e like me nā mea hoʻopihapiha a i ʻole ka plastic recycled ke hōʻemi i ka ʻike o ka huahana. Hāʻawi nā mea hoʻomaʻamaʻa hoʻomaʻamaʻa i kahi hopena, hoʻonui i ka nani o ka huahana i ka wā e hōʻemi ana i nā kumukūʻai hana.

Hiki i nā mea hoʻomaʻamaʻa hoʻomaʻamaʻa ke hoʻomaikaʻi i ka mālamalama ma ka haʻahaʻa haʻahaʻa ʻoiai e hāʻawi ana i nā loaʻa kūpono ma o ka hōʻemi ʻana i ka manawa pōʻai a me ka mālama ʻana i ka ikehu. ʻAʻole lākou e hoʻopilikia i ka welding, adhesion, a i ʻole nā ​​​​hana hana ʻē aʻe.

3. Nā mea hoʻopihapiha paʻa

Hoʻohana ʻia ka masterbatch filler plastic, ka mea maʻamau i ka calcium carbonate (CaCO3), i ka ʻoihana plastik e hoʻololi i nā ʻano o nā resins a i ʻole polymer resins, e hōʻemi ana i nā kumukūʻai huahana.

Hoʻoheheʻe ʻia ka hui ʻana o ka pauka pōhaku, nā mea hoʻohui, a me ka resin mua i loko o ka resin wai a hoʻomoʻa ʻia i loko o nā granules, a laila hui pū ʻia me ka palaka maka no nā kaʻina e like me ka puhi ʻana, ka wili, a me ka hoʻoheheʻe ʻana e hana i nā huahana plastik.

I ka hana ʻana o ka plastik PP, nā mea e like me ka shrinkage a me ka warping e pili pinepine i ka maikaʻi o ka huahana. Kōkua nā mea hoʻopaʻa paʻakikī i ka hoʻolalelale ʻana i ka huahana, hoʻemi i ka warping, a hoʻomaikaʻi i ka ʻike. Hoʻopōkole pū lākou i nā pōʻai paʻi, hoʻonui i ka pono hana.

4. Nā mea hoʻopaʻa UV (UV additives)

Hiki i ke kukui Ultraviolet ke wāwahi i nā mea paʻa i loko o nā polymers, e hōʻemi ana i ka photochemical a alakaʻi i ka chalking, discoloration, a me ka nalowale o ka waiwai kino. ʻO nā UV stabilizers e like me nā amine light stabilizers (HALS) hoʻopau i nā radical manuahi kuleana no ka hoʻohaʻahaʻa ʻana, no laila e hoʻolōʻihi i ke ola o ka huahana.

5. Anti-static additives

I ka wā o ka hana ʻana, hoʻopuka nā granules plastic i ka uila static, e huki ana i ka lepo i ka ʻili. ʻO nā mea hoʻohui anti-static e hoʻemi i ka uku o ka ʻili o ke kiʻi, hoʻomaikaʻi i ka palekana a me ka hōʻemi ʻana i ka lepo.

Nā ʻano:

Nā anti-static lōʻihi ʻole: nā mea hoʻonaninani, nā paʻakai organik, ethylene glycol, polyethylene glycol

ʻO nā anti-static lōʻihi: polyhydroxy polyamines (PHPA), polyalkyl copolymers