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MQ Resin: Methyl/Phenyl & Mw Impact PSA Adhesion

Nānā: 0     Mea kākau: Luna Hoʻoponopono Pūnaewele Manawa Hoʻopuka: 2026-05-13 Kumu: Paena

Ninau

ʻO Jiangsu Aokai New Materials , kahi mea hana nui o ka PTFE kiʻekiʻe-mehana tape, hāʻawi iā ʻoe i ka loiloi ʻenehana loea.

ʻO ka polarity, steric hindrance of organic groups and aggregation structure of molecular chain in MQ silicone resin nā kumu kumu e hoʻoponopono ai i ke koena hana o silicone pressure-sensitive adhesives (PSA) . ʻoiai e hahai ana ke kaumaha molekala a me ka puunaue paona molekala i ka lula seesaw maʻamau - ʻoi aku ke kaumaha o ka molekala kiʻekiʻe e hoʻomaikaʻi i ka paʻa ʻana i ka mana akā hāʻawi ʻia ka hana mua; ʻO ka hāʻawi ʻana i ke kaumaha molekala ākea he ala kūpono ia e kaulike ai i nā waiwai pipili kī ʻekolu.

PTFE lole wela kiʻekiʻe.png

1. Methyl / Phenyl Ratio: Hoʻoponopono i ka hana ma o ka hoʻolālā kemika.

ʻO ka hoʻololi ʻana i kahi ʻāpana o nā pūʻulu methyl (-CH3) me nā pūʻulu phenyl (-C6H5) he ʻano hana hoʻololi pae molekala kūpono.

·  Hoʻonui i ka ikaika intermolecular : Hoʻopuka ke apo benzene i ka pilina π-π intermolecular ikaika, hoʻonui nui i ka ikehu cohesive o ka adhesive, kahi e hoʻomaikaʻi nui ai i ka mana paʻa a me ka ikaika peel.

·  Hoʻonui i ke kaulahao molecular rigidity : He nui ka steric hindrance nā pūʻulu Phenyl, kaohi ʻana i ka hoʻololi ʻana o nā kaulahao nui silicone a me ka hōʻemi ʻana i ke kaulahao. Pono kēia i ka paʻa ʻana i ka mana akā e hoʻonāwaliwali i ka hana mua.

·  Hoʻomaikaʻi i ka wettability : Hoʻonui ka hoʻololi ʻana o Phenyl i ka pili o ka PSA silicone i nā ʻaoʻao substrate, hoʻoikaika i ka hoʻopaʻa ʻana i waena, a hoʻomaikaʻi i ka ʻili mua a me ka ikaika ʻili.

2. Molecular Weight & Distribution: Hoʻoponopono Hana ma o ka Hoʻopili kino a me ka Moku'āina Hoʻohui.

ʻO nā pūʻulu hana e hoʻomalu i ka hoʻoponopono kemika , ʻoiai ka paona molekala a me ka hāʻawi ʻana i ke kaumaha molecular (Polydispersity Index, PDI) e hoʻomalu i ka hoʻoponopono kino .

Kaumaha Molekala (Mw)

Loaʻa ka ikaika cohesive mai ka hoʻopili kino ʻana o nā kaulahao polymer.

·  Hoʻokumu ʻo Higher Mw i kahi pūnaewele hoʻopaʻa ʻana a hoʻomaikaʻi nui i ka mana paʻa.

·  ʻO ka Mw kiʻekiʻe kiʻekiʻe e paʻa ai nā kaulahao molekala a emi ʻole ka maʻalahi, e hoʻemi ana i ka ikaika o ka ʻili a me ka ʻili.

Māhele Kaumaha Molekala (MWD)

·  Hāʻawi liʻiliʻi : Ka hana like ʻole, maʻalahi i koho ʻia no ka waiwai hoʻokahi e like me ke kiʻekiʻe kiʻekiʻe.

·  Māhele ākea : Hoʻohui i ka hana hoʻohālikelike. Hoʻokumu ʻia nā hakina kiʻekiʻe-molecular-kaumaha i ka ʻiʻo pūnaewele paʻa e hōʻoiaʻiʻo i ka ikaika paʻa a me ka mana paʻa; ʻO nā haʻihaʻi haʻahaʻa-molecular-kaumaha e hana ma ke ʻano he lubricants kūloko a me ka hoʻomaʻemaʻe accelerators, hoʻomaikaʻi i ka neʻe ʻana o ke kaulahao a me ka hoʻomaloʻo wikiwiki ʻana i ka ʻili e hōʻoia i ka hoʻopaʻa mua ʻana, e hoʻokō i ka hana kaulike holoʻokoʻa.

3. ʻO ka Synergistic Optimization o M/Q Ratio, Resin Dosage a me Silicone Rubber Viscosity

ʻO ka ratio Methyl/phenyl a me ke kaumaha molekala e hoʻoholo i nā waiwai o ka MQ resin; ʻoiai ʻo ka ratio M/Q, resin a silicone rubber ratio a me silicone rubber viscosity he hoʻoponopono pololei i nā ʻāpana i ka ʻenekinia formula, pono e hoʻohālikelike ʻia me ka synergistically.

M/Q ratio

Hoʻoholo pololei ka lākiō M/Q i ka paona molekala, ʻike hydroxyl a me ka hoʻohālikelike ʻana me ka rubber silicone. ʻO ka lākiō molar M / Q maikaʻi loa no ka PSA silicone ma ke ʻano he 0.6 ~ 1.2 . No ka laʻana, hoʻohana ʻo PSA i ka lāʻau lapaʻau i kahi waiwai M/Q maikaʻi loa ma kahi o 0.78; resin me M/Q 0.6–0.9 i hui pū ʻia me ka lāʻau silikoni (viscosity 100×10⁻⁴ m²/s) ma kahi lakio nui o 2:3 loaʻa ka hana hoʻopili piha piha.

ʻO ka Laki Hoʻohui ʻana i ka Resin / Silicone Rubber Blending Ratio

ʻO kēia ratio ka lever kī e kaulike ai i nā waiwai koʻikoʻi ʻekolu (ka hoʻomaka mua, ka mana paʻa, ka ikaika peel).

·  ʻO ka ʻike resin kiʻekiʻe e hoʻomaikaʻi i ka cohesion, ka paʻa ʻana i ka mana a me ka ikaika peel akā e hōʻemi ana i ka hana mua.

·  Hōʻike ka maʻiʻo ʻoi aku ka ʻoi aku ka ʻokoʻa.

No ka laʻana, ʻo ka hoʻonui ʻana i ka nui o ka MQ resin i 107 silicone rubber mai 1.2 a i 2.5 e hoʻonui i ka mana paʻa a me 180 ° peel ikaika i ka wā e hoʻemi ana i ka mua. tack.Ma nā hana hoʻomaʻamaʻa, ʻo ka nui o ka nui o ka resin silicone i ka silicone rubber ka maʻamau 45:55 ~ 75:25.

Pilikino Rubber Viscosity

ʻO ke kaumaha o ka molecular i hōʻike ʻia e ka viscosity e hoʻoholo i nā waiwai rheological kumu o ka ʻōnaehana adhesive a pono ka hoʻohālikelike maikaʻi me ka resin MQ. ʻOi aku ka maikaʻi o ka silicone rubber haʻahaʻa haʻahaʻa me ka resin MQ, maikaʻi no ka tack mua a me ka ikaika peel, akā hiki ke hoʻololi i ka mana paʻa.

4. Kumu Mana'o Kumu no ka Kaulike Hana

I loko o ka hoʻolālā hoʻolālā PSA silicone, hiki ke hoʻoponopono pololei ʻia nā ʻōkuhi kī ʻekolu - ka hoʻomaka mua, ka mana paʻa, 180 ° peel ikaika  - hiki ke hoʻoponopono pololei ʻia e nā ʻano kumu ʻelua:

·  Phenyl modification — multiplicative optimization : ʻO ka phenyl doping kūpono e hoʻomaikaʻi i nā waiwai ʻekolu i ka manawa hoʻokahi, e uhaki ana i ke kapu seesaw kuʻuna.

·  Hoʻoponopono paona a me ka hāʻawi ʻana — hoʻololi hoʻohui : ʻO ka mana pololei o ka paona molekala a me ka hāʻawi ʻana e ʻike i ke kaulike maʻamau ma waena o ka pahu mua a me ka mana paʻa no nā hiʻohiʻona noiʻi like ʻole.

I ka hana ʻoihana, ʻo ka hoʻolālā maʻamau ʻo ia ka laulā molecular weight distribution base resin me ka hoʻololi phenyl moderate  e kaulike i ka processability a me ka hoʻokō adhesion holoʻokoʻa.

Hāʻawi ʻia ka ʻike loea ma luna e Jiangsu Aokai New Materials Technology Co., Ltd.

Inā makemake ʻoe e ʻike i nā palena kikoʻī, nā hiʻohiʻona noiʻi a me nā hoʻoponopono maʻamau no kā mākou laina huahana piha: PTFE lole kiʻekiʻe wela, PTFE kiʻekiʻe-mehana tape, PTFE kiʻekiʻe wela mesh kāʻei, seamless fusing mīkini kāʻei, hoʻokahi ʻaoʻao PTFE lole, kiʻekiʻe-mehana kūpaʻa conveyor kāʻei a kiʻekiʻe-mehana pale fiberglass lole, e ʻoluʻolu e kelepona mai iā mākou:

·  Mr. Guo: +86 18944819998

·  Mr. Liu: +86 13705266308

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Manaʻo huahana

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