Chii chinonzi Polyphenylene Sulfidi (PPS)?

Polyphenylene Sulfide (PPS) inonzi semi-crystalline thermoplastic polymer ine chitarisiko cheyero. Iine nzvimbo yekunyunguduka inoita 290°C uye density inosvika 1.35 g/cm³. Musana wayo wemamorekuru — unoumbwa nemarin’i ebenzene anochinjanisa uye maatomu esarufa—zvinoita kuti ive yakasimba uye yakagadzikana zvakanyanya.

PPS inozivikanwa nekuoma kwayo kwepamusoro, kugadzikana kwekushisa kwakanyanya, makemikari kuramba, uye simba remuchina. Nekuda kwekuita kwayo kwakatanhamara, PPS inozivikanwa zvakanyanya seimwe yematanhatu makuru einjiniya mapurasitiki, padivi pe polyethylene terephthalate (PET), naironi (PA), polycarbonate (PC), polyoxymethylene (POM), uye polyphenylene ether (PPO).

Mafomu uye Mashandisirwo ePPS

Zvigadzirwa zvePolyphenylene Sulfide (PPS) zvinowanikwa mumhando dzakasiyana siyana uye mamakisi, senge resin, fibers, filaments, mafirimu, uye machira, zvichiita kuti zvive zvakasiyana-siyana. Nzvimbo huru dzekushandisa dzePPS dzinosanganisira indasitiri yemotokari, magetsi nemagetsi, indasitiri yemakemikari, mauto nedziviriro, chikamu chemucheka, uye kuchengetedza kwezvakatipoteredza.

Matambudziko Anowanikwa muPPSeengineering mapurasitiki auye Magadzirisirwo Azvo

Kunyangwe zvimiro zvayo zvakanaka, mapurasitiki einjiniya ePPS achiri kutarisana nematambudziko akati wandei ekugadzirisa uye kuita mumashandisirwo anoshanda. Heano matatu eanonyanya kunetsa nyaya uye anoenderana mhinduro:

1. Brittleness muPPS isina Kuzadzwa

Dambudziko: PPS isina kuzadzwa ine brittle, ichidzikamisa kushandiswa kwayo muzvishandiso zvinoda kupikisa zvakanyanya kana kuchinjika (semuenzaniso, zvikamu zviri pasi pekuvhunduka kana kudedera).

Zvinokonzera:

Kureba kwakaderera panguva yekuzorora nekuda kwekuomarara kwayo kwemamorekuru.

Kushaikwa kwezvinowedzera kuwedzera kuomarara.

Mhinduro:

Shandisa yakasimbiswa PPS mamakisi negirazi fiber (semuenzaniso, 40% girazi-yakazadzwa) kana zvicherwa mafirita kuti uvandudze simba rekuita uye kuoma.

Sanganisa ne elastomers kana kukanganisa modifiers kune chaiwo maapplication.

2. Yakashata Kunamatira kune Coatings kana Bonding

Dambudziko: PPS's kemikari inertness inoita kuti zviome kune zvinonamira, machira, kana pendi kunamatira, kunetsa kusangana kana kupedzisa kwepamusoro (semuenzaniso, mudzimba dzemagetsi kana zvikamu zveindasitiri zvakavharwa).

Zvinokonzera:

Simba repasi pasi nekuda kwePPS's isiri-polar kemikari chimiro.

Kupokana nemakemikari bonding kana kunyorova pamusoro.

Mhinduro:

Isa mushonga wepamusoro senge plasma etching, corona discharge, kana kemikari priming kuti uwedzere simba repamusoro.

Shandisa zvine hunyanzvi zvinonamira (semuenzaniso, epoxy kana polyurethane-based) zvakagadzirirwa PPS.

3 . Kupfeka uye Kupokana muDynamic Application

Dambudziko: Kusina kuzadzwa kana akajairwa PPS mamakisi anoratidza mapfekero akakwira kana kupokana muzvikamu zvinofamba zvakaita semabheya, magiya, kana zvisimbiso, zvichikonzera kukundikana kwepamberi mukushandisa zvine simba.

Czvinobatsira:

Zvinechekuita nepamusoro coefficient yekukweshana muPPS isina kuzadzwa.

Lubricity shoma pasi pemitoro yakakura kana kuenderera mberi kwekufamba.

Mhinduro:

Sarudzaakaomeswa PPS mamakisi ane zvinowedzerakufanana nePTFE, graphite, kana molybdenum disulfide kuderedza kukwesha uye kuwedzera kusakara.

Shandisa magiredhi akasimbiswa (semuenzaniso, kabhoni faibha-yakazadzwa) kune yakakwirira-yekutakura mutoro.

SILIKE Lubricant Processing Aids uye Surface Modifiers yePPS Engineering Plastics

Zvitsva Zvigadziriso zveKunatsiridza Wear Resistance yePPS Sliding Components

Kuunza silicone-based additives SILIKE LYSI-530A uye SILIMER 0110

LYSI-530A uye SILIMER 0110 inyanzvi yekugadzira mafuta uye magadzirirwo epamusoro epolyphenylene sulfide (PPS), yakatangwa nguva pfupi yadarika neSILIKE. Aya ma-silicone-based additives anoshanda zvakafanana kune polytetrafluoroethylene (PTFE), inoratidzirwa nekuderera kwepasi simba. Nekuda kweizvozvo, ivo vanoderedza zvakanyanya chiyero chekupfeka uye friction coefficient yePPS composite.

Izvi zvinowedzerwa zvinoratidzira yakasarudzika yakaderera friction coefficient uye inoshanda semafuta emukati. Ivo vanogadzira firimu rakatetepa pamusoro pePPS kana vachinge vachiveura masimba, nekudaro vachideredza kupokana pakati pePPS nenzvimbo dzekubatana, zvisinei nekuti isimbi kana purasitiki.

Nekushandisa chete 3% LYSI-530A, iyo ine simba friction coefficient inogona kudzikiswa kusvika yakatenderedza 0.158, zvichikonzera nzvimbo yakatsetseka.

Pamusoro pezvo, kuwedzera kwe3% SILIMER 0110 kunogona kuwana yakaderera friction coefficient inosvika 0.191 uku ichipa yakaenzana abrasion kuramba kune inopihwa negumi muzana PTFE. Izvi zvinoratidza kushanda uye kugona kwezviwedzerwa izvi mukuvandudza mashandiro uye kusimba pane akasiyana maapplication, Yakanakira kutsvedza, kutenderera, kana kurodha zvine simba zvikamu zvePPS.

SILIKE inopa kushanda kwepamusorosilicone-based lubricants uye kugadzirisa aidskune zvakasiyana-siyana zvekushandiswa kwepurasitiki. Zvekuwedzera zvedu zvakagadzirirwa kuvandudza mashandiro ekugadzirisa uye kuwedzera zvivakwa zvepasi mumapurasitiki akagadziridzwa uye makomisheni.

Kutsvaga yekuwedzera yakakodzera yekugadzira kwako? Sarudza SILIKE - yedu silicone-yakavakirwa mhinduro inogona kukushamisa iwe nekuita kwavo.
Wedzera kuita kwePPS nesilicone-based additives inoderedza kupokana uye kupfeka - hapana PTFE inodiwa.

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