Yintoni iPolyphenylene Sulfide (PPS)?

I-Polyphenylene Sulfide (PPS) yi-semi-crystalline thermoplastic polymer enenkangeleko emthubi. Inendawo yokunyibilika emalunga nama-290°C kunye noxinzelelo olumalunga ne-1.35 g/cm³. Umqolo wayo wemolekyuli—owenziwe ngamakhonkco ebenzene atshintshanayo kunye neeathom zesulfure—uyenza ibe ngqongqo kwaye izinze kakhulu.

I-PPS yaziwa ngobulukhuni bayo obuphezulu, ukuzinza okugqwesileyo kwe-thermal, ukuxhathisa imichiza, kunye namandla omatshini. Ngenxa yokusebenza kwayo okugqwesileyo, i-PPS yamkelwa ngokubanzi njengenye yeeplastiki ezinkulu zobunjineli ezintandathu, ecaleni kwe-polyethylene terephthalate (PET), inayiloni (PA), i-polycarbonate (PC), i-polyoxymethylene (POM), kunye ne-polyphenylene ether (PPO).

Iifomu kunye nezicelo zePPS

Iimveliso zePolyphenylene Sulfide (PPS) zifumaneka kwiifom ezahlukeneyo kunye namabanga, njengee-resin, iifayibha, iifilaments, iifilim, kunye neengubo, ezizenza zisebenziseke kakhulu. Ezona ndawo zesicelo sePPS zibandakanya ishishini leemoto, umbane kunye ne-elektroniki, ishishini lemichiza, umkhosi kunye nokhuselo, icandelo lelaphu, kunye nokhuseleko lokusingqongileyo.

Imingeni eqhelekileyo kwiPPSeiiplastiki zobunjineli akunye Nendlela YokuziSombulula

Ngaphandle kweempawu zayo ezibalaseleyo, iiplastiki zobunjineli bePPS zisajongene nemingeni emininzi yokusetyenzwa kunye nokusebenza kwizicelo ezisebenzayo. Nantsi imiba emithathu eqhelekileyo kunye nezisombululo zayo ezihambelanayo:

1. Ubuqhophololo kwiPPS engagcwaliswanga

Umngeni: I-PPS engagcwaliswanga ibubunewunewu ngokwendalo, inciphisa ukusetyenziswa kwayo kwizicelo ezifuna ukuchasana nempembelelo ephezulu okanye ukuguquguquka (umzekelo, amacandelo aphantsi komothuko okanye ukungcangcazela).

Oonobangela:

Ubude obuphantsi ngexesha lekhefu ngenxa yesakhiwo sayo esiqinileyo semolekyuli.

Ukunqongophala kwezongezo zokwandisa ukuqina.

Izisombululo:

Sebenzisa amanqanaba e-PPS aqiniweyo kunye nefiber yeglasi (umz., i-40% yeglasi egcwele iglasi) okanye izihlunu zamaminerali ukuphucula amandla empembelelo kunye nokuqina.

Dibanisa neeelastomers okanye izilungisi zempembelelo kwizicelo ezithile.

2. Ukubambelela kakubi kwiiCoatings okanye ukuBonding

Ucelomngeni: Ukungangeni kwemichiza ye-PPS kwenza kube nzima ukuncamathela, ukugquma, okanye iipeyinti ukuncamathela, ukudityaniswa okuntsokothileyo okanye ukugqitywa komphezulu (umzekelo, kwizindlu zombane okanye iindawo ezigqunyiweyo zemizi-mveliso).

Oonobangela:

Amandla aphantsi komhlaba ngenxa yesakhiwo sekhemikhali esingeyoncanca yePPS.

Ukuchasana nokudibanisa imichiza okanye ukumanzisa komhlaba.

Izisombululo:

Faka unyango olungaphezulu olufana ne-plasma etching, ukukhutshwa kwe-corona, okanye i-chemical priming ukwandisa amandla angaphezulu.

Sebenzisa izincamathelisi ezikhethekileyo (umzekelo, i-epoxy okanye i-polyurethane-based) eyenzelwe i-PPS.

3 . Ukunxiba kunye neFriction kwi-Dynamic Applications

Umngeni: Amabanga e-PPS angagcwaliswanga okanye aqhelekileyo abonisa izinga eliphezulu lokunxiba okanye ukukhuhlana kwiindawo ezihambayo ezifana neebheringi, iigiya, okanye izitywina, ezikhokelela kukusilela kwangaphambi kwexesha kwizicelo ezinamandla.

Csebenzisa:

Ngokuthelelelekayo i-coefficient ephezulu yokukhuhlana kwi-PPS engazaliswanga.

I-lubricity encinci phantsi kwemithwalo ephezulu okanye intshukumo eqhubekayo.

Izisombululo:

Khethaamabanga e-PPS athathiweyo anezongezonjenge-PTFE, igraphite, okanye i-molybdenum disulfide ukunciphisa ukukhuhlana kunye nokwandisa ukuxhathisa ukunxiba.

Sebenzisa amabakala omeleziweyo (umz., i-carbon fiber-filled) kumthamo ophezulu wokuthwala umthwalo.

I-SILIKE i-Lubricant Processing Aids kunye ne-Surface Modifiers yePPS Engineering Plastics

Izisombululo ezitsha zokuphucula ukuNxibelela ukuNxibelela kwiiNgxelo zokuSilayida zePPS

Ukwazisa izongezo ezise-silicone esekwe kwi-SILIKE LYSI-530A kunye ne-SILIMER 0110

I-LYSI-530A kunye ne-SILIMER 0110 zizixhobo ezintsha zokulungisa i-lubricant kunye nezilungisi zomhlaba ze-polyphenylene sulfide (PPS), ezisanda kuqaliswa ngu-SILIKE. Ezi zongezo ezisekelwe kwi-silicone zisebenza ngokufanayo kwi-polytetrafluoroethylene (PTFE), ebonakaliswe ngamandla abo aphantsi komhlaba. Ngenxa yoko, banciphisa kakhulu izinga lokunxiba kunye ne-coefficient ye-friction ye-PPS composite.

Ezi zongezo zibonisa i-coefficient ephantsi kakhulu yokhuhlane kwaye zisebenza njengezithambisi zangaphakathi. Bavelisa ifilimu ebhityileyo kumphezulu we-PPS xa bephantsi kwamandla okucheba, ngaloo ndlela becutha ukungqubana phakathi kwe-PPS kunye nemigangatho yokukhwelana, nokuba iyintsimbi okanye iplastiki.

Ngokusebenzisa nje i-3% ye-LYSI-530A, i-coefficient ye-friction eguquguqukayo inokuncitshiswa ukuya kwi-0.158, okukhokelela kwindawo egudileyo.

Ukongeza, ukongezwa kwe-3% ye-SILIMER 0110 inokufumana i-coefficient ephantsi ye-friction ejikeleze i-0.191 ngelixa inikezela ukuchasana kwe-abrasion efanayo naleyo enikezelwa yi-10% ye-PTFE. Oku kubonisa ukusebenza kunye nokubanakho kwezi zongezo ekuphuculeni ukusebenza kunye nokuqina kuzo zonke izicelo ezahlukeneyo, Ilungele ukutyibilika, ukujikeleza, okanye ukulayishwa ngokuguquguqukayo kweendawo zePPS.

I-SILIKE ibonelela ngokusebenza okuphezului-silicone-based lubricants kunye ne-processing aidskuluhlu olubanzi lwezicelo zeplastiki. Izongezo zethu ziyilelwe ukuphucula ukusebenza kakuhle kunye nokuphucula iipropathi ezingaphezulu kwiiplastiki eziguquliweyo kunye neekhompawundi.

Ngaba ujonge isongezo esifanelekileyo sokwenziwa kwakho? Khetha i-SILIKE-izisombululo zethu ezise-silicone zinokukothusa ngomsebenzi wazo.
Yandisa ukusebenza kwe-PPS ngezongezo ezisekelwe kwi-silicone ezinciphisa ukukhuhlana kunye nokunxiba - akukho PTFE efunekayo.

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