Polyphenylene Sulfidi (PPS) ke eng?

Polyphenylene Sulfide (PPS) ke semi-crystalline thermoplastic polymer e nang le ponahalo e mosehla o mosehla. E na le ntlha e qhibidihang e ka bang 290°C le boima ba ho pota 1.35 g/cm³. Mokokotlo oa eona oa limolek'hule—o entsoeng ka lireng tse fapanyetsanang tsa benzene le liathomo tsa sebabole—o etsa hore e be le sebōpeho se thata le se tsitsitseng haholo.

PPS e tsejoa ka boima ba eona bo phahameng, botsitso bo botle ba mocheso, khanyetso ea lik'hemik'hale, le matla a mochini. Ka lebaka la ts'ebetso ea eona e ikhethang, PPS e tsejoa ka bophara e le e 'ngoe ea lipolasetiki tse kholo tse tšeletseng tsa boenjiniere, hammoho le polyethylene terephthalate (PET), nylon (PA), polycarbonate (PC), polyoxymethylene (POM), le polyphenylene ether (PPO).

Liforomo le Likopo tsa PPS

Lihlahisoa tsa Polyphenylene Sulfide (PPS) li fumaneha ka mefuta le limaraka tse fapaneng, joalo ka li-resin, likhoele, likhoele, lifilimi le likoahelo, e leng se etsang hore li fetohe haholo. Libaka tse ka sehloohong tsa ts'ebeliso ea PPS li kenyelletsa indasteri ea likoloi, motlakase le lisebelisoa tsa elektroniki, indasteri ea lik'hemik'hale, sesole le ts'ireletso, lekala la masela le ts'ireletso ea tikoloho.

Mathata a Tloaelehileng ho PPSelipolasetiki tsa boenjiniere ale Mokhoa oa ho a Rarolla

Leha e na le thepa e ntle haholo, lipolasetiki tsa boenjiniere tsa PPS li ntse li tobane le mathata a 'maloa a ts'ebetso le ts'ebetso lits'ebetsong tse sebetsang. Mona ke tse tharo tsa litaba tse atileng haholo le litharollo tsa tsona:

1. Brittleness ho PPS e sa Tlatsoang

Phephetso: PPS e sa tlatsoang e brittle ka tlhaho, e fokotsa ts'ebeliso ea eona lits'ebetsong tse hlokang khanyetso e matla kapa ho tenyetseha (mohlala, likarolo tse tlas'a ts'oenyeho kapa ho thothomela).

Lisosa:

Nako e tlase nakong ea khefu ka lebaka la sebopeho sa eona se thata sa limolek'hule.

Ho haella ha li-additives ho matlafatsa boima.

Litharollo:

Sebelisa limaraka tsa PPS tse matlafalitsoeng tse nang le fiber ea khalase (mohlala, 40% e tletseng likhalase) kapa li-filler tsa liminerale ho ntlafatsa matla le ho tiea.

Kopanya le li-elastomer kapa li-modifiers bakeng sa lits'ebetso tse ikhethileng.

2. Khomarelo e Fosahetseng bakeng sa Coatings kapa Bonding

Phephetso: Ho se sebetse hantle ha lik'hemik'hale tsa PPS ho etsa hore ho be thata hore likhomaretsi, lipente, kapa lipente li khomarele, ho kopanya ho thata kapa ho qeta bokaholimo (mohlala, matlong a elektroniki kapa likarolo tsa indasteri tse koahetsoeng).

Lisosa:

Matla a tlase a holim'a metsi ka lebaka la sebopeho sa lik'hemik'hale tse se nang polar tsa PPS.

Ho hanana le maqhama a dikhemikhale kapa ho kolobisa bokahodimo.

Litharollo:

Sebelisa liphekolo tse holim'a metsi joalo ka plasma etching, corona discharge, kapa priming ea lik'hemik'hale ho eketsa matla a holim'a metsi.

Sebelisa likhomaretsi tse khethehileng (mohlala, epoxy kapa polyurethane-based) tse etselitsoeng PPS.

3 . Wear and Friction in Dynamic Applications

Phephetso: Limaraka tse sa tlatsoang kapa tse tloaelehileng tsa PPS li bonts'a maemo a holimo kapa likhohlano likarolong tse tsamaeang joalo ka li-bearing, likere kapa litiiso, tse lebisang ho hloleheng pele ho nako lits'ebetsong tse matla.

Cli sebelisa:

Khohlano e phahameng haholo ho PPS e sa tlatsoang.

Lubricity e fokolang tlas'a meroalo e phahameng kapa motsamao o tsoelang pele.

Litharollo:

Khethalimaraka tsa PPS tse tlotsitsoeng ka li-additivesjoalo ka PTFE, graphite, kapa molybdenum disulfide ho fokotsa likhohlano le ho matlafatsa khanyetso ea ho apara.

Sebelisa limaraka tse matlafalitsoeng (mohlala, tse tlatsitsoeng ka carbon fiber) bakeng sa matla a holimo a ho jara.

SILIKE Lubricant Processing Aids le Surface Modifiers bakeng sa PPS Engineering Plastics

Litharollo tse Ncha tsa ho Ntlafatsa Khahlano le Wear of PPS Sliding Components

Ho hlahisa li-additives tse thehiloeng ho silicone SILIKE LYSI-530A le SILIMER 0110

LYSI-530A le SILIMER 0110 ke lisebelisoa tse ncha tsa ho lokisa mafura le li-modifiers tsa holim'a polyphenylene sulfide (PPS), tse sa tsoa hlahisoa ke SILIKE. Li-additives tsena tse thehiloeng ho silicone li sebetsa ka mokhoa o ts'oanang le oa polytetrafluoroethylene (PTFE), tse khetholloang ke matla a tsona a tlase. Ka lebaka leo, li fokotsa haholo lebelo la ho roala le sekhahla sa likhohlano tsa likarolo tsa PPS.

Li-additives tsena li na le coefficient e tlase haholo ea khohlano 'me li sebetsa joalo ka mafura a kahare. Ba hlahisa filimi e tšesaane holim'a PPS ha ba le tlas'a matla a ho kuta, kahoo ba fokotsa khohlano pakeng tsa PPS le libaka tsa ho nyalana, ho sa tsotellehe hore na ke tsa tšepe kapa tsa polasetiki.

Ka ho sebelisa 3% LYSI-530A feela, coefficient e matla ea likhohlano e ka fokotsoa ho isa ho 0.158, e bakang sebaka se boreleli.

Ho feta moo, tlatsetso ea 3% SILIMER 0110 e ka fumana coefficient e tlase ea likhohlano e ka bang 0.191 ha e ntse e fana ka khanyetso e lekanang ea abrasion ho e fanoang ke 10% PTFE. Sena se bonts'a katleho le bokhoni ba li-additives tsena ho ntlafatsa ts'ebetso le ho tšoarella lits'ebetsong tse fapaneng, E loketse bakeng sa ho thella, ho potoloha, kapa likarolo tsa PPS tse tlatsitsoeng ka matla.

SILIKE e fana ka ts'ebetso e phahamengli-lubricant tse thehiloeng ho silicone le lisebelisoa tsa ho sebetsabakeng sa lisebelisoa tse ngata tsa polasetiki. Li-additives tsa rona li etselitsoe ho ntlafatsa ts'ebetso ea ts'ebetso le ho ntlafatsa thepa ea holim'a lipolasetiki le metsoako e fetotsoeng.

U batla tlatsetso e nepahetseng bakeng sa tlhahiso ea hau? Khetha SILIKE - litharollo tsa rona tse thehiloeng ho silicone li ka u makatsa ka ts'ebetso ea tsona.
Ntlafatsa ts'ebetso ea PPS ka li-additives tse thehiloeng ho silicone tse fokotsang likhohlano le ho roala - ha ho hlokahale PTFE.

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