He aha ka Polyphenylene Sulfide (PPS)?

ʻO ka Polyphenylene Sulfide (PPS) he polymer thermoplastic semi-crystalline me kahi ʻano melemele palupalu. Loaʻa iā ia kahi kiko heheʻe ma kahi o 290°C a me kahi density ma kahi o 1.35 g/cm³. ʻO kona iwi kuamoʻo molekala—i haku ʻia me nā apo benzene a me nā ʻātoma sulfur—hāʻawi iā ia i kahi ʻano paʻa a paʻa loa.

Ua kaulana ʻo PPS no kona paʻakikī kiʻekiʻe, kūpaʻa wela maikaʻi loa, ke kūpaʻa kemika, a me ka ikaika mechanical. Ma muli o kāna hana koʻikoʻi, ua ʻike nui ʻia ʻo PPS ʻo ia kekahi o nā ʻeono plastics ʻenekinia nui, me ka polyethylene terephthalate (PET), nylon (PA), polycarbonate (PC), polyoxymethylene (POM), a me ka polyphenylene ether (PPO).

Nā ʻAno a me nā Hoʻohana o PPS

Loaʻa nā huahana Polyphenylene Sulfide (PPS) i nā ʻano like ʻole a me nā papa, e like me nā resins, fibers, filaments, films, a me nā coatings, e hoʻolilo ana iā lākou i mea maʻalahi loa. ʻO nā wahi hoʻohana nui o PPS e komo pū me ka ʻoihana kaʻa, ka uila a me nā mea uila, ka ʻoihana kemika, ka pūʻali koa a me ka pale kaua, ka ʻāpana lole, a me ka palekana o ke kaiapuni.

Nā Pilikia Maʻamau ma PPSenā palakiko ʻenekinia aa pehea e hoʻoponopono ai iā lākou

ʻOiai kona mau waiwai maikaʻi loa, ke kū nei nā plastik ʻenekinia PPS i kekahi mau pilikia hana a me ka hana i nā noi hana. Eia ʻekolu o nā pilikia maʻamau a me kā lākou mau hoʻonā e pili ana:

1. Ka palupalu i loko o nā PPS i hoʻopiha ʻole ʻia

Pilikia: He palupalu maoli ka PPS i hoʻopiha ʻole ʻia, e kaupalena ana i kona hoʻohana ʻana i nā noi e koi ana i ke kūpaʻa hopena kiʻekiʻe a i ʻole ka maʻalahi (e laʻa, nā ʻāpana i hiki ke haʻalulu a haʻalulu paha).

Nā kumu:

Haʻahaʻa ka elongation i ka wā haki ma muli o kona ʻano molekala paʻa.

ʻAʻohe o nā mea hoʻohui e hoʻonui ai i ka paʻakikī.

Nā Hoʻonā:

E hoʻohana i nā papa PPS i hoʻoikaika ʻia me ke olonā aniani (e laʻa, 40% i piha i ke aniani) a i ʻole nā ​​​​mea hoʻopihapiha mineral e hoʻomaikaʻi i ka ikaika a me ke kūpaʻa o ka hopena.

E hoʻohui me nā elastomers a i ʻole nā ​​​​​​mea hoʻololi hopena no nā noi kikoʻī.

2. Hoʻopili maikaʻi ʻole no nā uhi a i ʻole ka hoʻopaʻa ʻana

Pilikia: ʻO ka inertness kemika o PPS e paʻakikī ai ka hoʻopili ʻana o nā mea hoʻopili, nā uhi, a i ʻole nā ​​​​pena, e hoʻopilikia ai i ka hōʻuluʻulu ʻana a i ʻole ka hoʻopau ʻana i ka ʻili (e like me, i loko o nā hale uila a i ʻole nā ​​​​ʻāpana ʻoihana i uhi ʻia).

Nā kumu:

Ka ikehu ʻilikai haʻahaʻa ma muli o ke ʻano kemika non-polar o ka PPS.

Ke kū'ē ʻana i ka hoʻopili kemika a i ʻole ka pulu ʻana o ka ʻili.

Nā Hoʻonā:

E hoʻopili i nā hana ʻili e like me ke etching plasma, corona discharge, a i ʻole ka priming kemika e hoʻonui i ka ikehu o ka ʻili.

E hoʻohana i nā mea hoʻopili kūikawā (e like me ka epoxy a i ʻole polyurethane) i hana ʻia no PPS.

3. ʻO ke komo ʻana a me ka friction i nā noi Dynamic

Pilikia: Hōʻike nā papa PPS i hoʻopiha ʻole ʻia a i ʻole maʻamau i nā helu ʻaʻahu kiʻekiʻe a i ʻole ka friction i nā ʻāpana e neʻe ana e like me nā bearings, gears, a i ʻole nā ​​​​sila, e alakaʻi ana i ka hāʻule mua ʻana i nā noi ikaika.

Cnā ʻause:

ʻO ke koina friction kiʻekiʻe ma nā PPS i hoʻopiha ʻole ʻia.

Ka lubrication palena ʻia ma lalo o nā ukana kiʻekiʻe a i ʻole ka neʻe mau ʻana.

Nā Hoʻonā:

Kohonā papa PPS i lubricated ʻia me nā mea hoʻohuie like me PTFE, graphite, a i ʻole molybdenum disulfide e hōʻemi i ka friction a hoʻoikaika i ke kūpaʻa ʻana o ka ʻaʻahu.

E hoʻohana i nā papa i hoʻoikaika ʻia (e like me ka hoʻopiha ʻia me ke olonā kalapona) no ka mana lawe ukana kiʻekiʻe aʻe.

Nā mea kōkua hana Lubricant SILIKE a me nā mea hoʻololi ʻili no nā Plastics ʻenekinia PPS

Nā Hoʻonā Hou no ka Hoʻoikaika ʻana i ke Kūʻē ʻAʻahu o nā ʻĀpana Paheʻe PPS

Ke hoʻolauna nei i nā mea hoʻohui silicone ʻo SILIKE LYSI-530A a me SILIMER 0110

ʻO LYSI-530A lāua ʻo SILIMER 0110 he mau mea kōkua hana lubricant hou a me nā mea hoʻololi ʻili no ka polyphenylene sulfide (PPS), i hoʻokuʻu hou ʻia e SILIKE. Hana like kēia mau mea hoʻohui silicone me ka polytetrafluoroethylene (PTFE), i hōʻike ʻia e ko lākou ikehu ʻili haʻahaʻa. ʻO ka hopena, hoʻemi nui lākou i ka helu ʻaʻahu a me ke koina friction o nā composites PPS.

Hōʻike kēia mau mea hoʻohui i kahi coefficient friction haʻahaʻa loa a hana ma ke ʻano he lubricants kūloko. Hoʻopuka lākou i kahi ʻili lahilahi ma luna o ka ʻili o PPS ke kau ʻia i nā ikaika shear, no laila e hoʻemi ana i ka friction ma waena o PPS a me nā ʻili pili, me ka nānā ʻole inā he metala a plastic paha.

Ma ka hoʻohana ʻana i 3% LYSI-530A wale nō, hiki ke hoʻemi ʻia ke koina friction dynamic a hiki i kahi o 0.158, e hopena ana i kahi ʻili laumania.

Eia kekahi, ʻo ka hoʻohui ʻana o 3% SILIMER 0110 hiki ke loaʻa kahi coefficient friction haʻahaʻa ma kahi o 0.191 me ka hāʻawi ʻana i ke kū'ē ʻana i ka abrasion like me ka mea i hāʻawi ʻia e 10% PTFE. Hōʻike kēia i ka pono a me ka hiki o kēia mau mea hoʻohui i ka hoʻomaikaʻi ʻana i ka hana a me ke kūpaʻa ma nā ʻano noi like ʻole, kūpono no ka paheʻe ʻana, ka hoʻohuli ʻana, a i ʻole nā ​​​​ʻāpana PPS i hoʻouka ʻia me ka dynamically.

Hāʻawi ʻo SILIKE i ka hana kiʻekiʻenā lubricants silicone a me nā mea kōkua hanano nā ʻano hana palaki like ʻole. Ua hoʻolālā ʻia kā mākou mau mea hoʻohui e hoʻomaikaʻi i ka pono o ka hana ʻana a hoʻonui i nā waiwai o ka ʻili i nā palaki i hoʻololi ʻia a me nā hui.

Ke ʻimi nei i ka mea hoʻohui kūpono no kāu ʻano hana? E koho iā SILIKE — e kahaha paha ʻoe i kā mākou mau hoʻonā silicone me kā lākou hana.
Hoʻonui i ka hana PPS me nā mea hoʻohui silicone e hōʻemi ana i ka friction a me ke komo ʻana - ʻaʻohe pono PTFE.

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