Injiniyan robobi na zafi mai juriya PPA-GF, FR don mai karyawa da bobbins
Polyphthalamide (aka. PPA, Babban Performance Polyamide) wani yanki ne na resins na roba na thermoplastic a cikin dangin polyamide (nailan) wanda aka ayyana azaman lokacin da 55% ko fiye da moles na sashin carboxylic acid na sashin maimaitawa a cikin sarkar polymer ya ƙunshi haɗuwa. na terephthalic (TPA) da isophthalic (IPA) acid. Sauya shawarar aliphatic ta yanke shawarar aromatic a cikin kashin baya na polymer yana ƙaruwa wurin narkewa, yanayin canjin gilashi, juriya na sinadarai da taurin kai.
An ƙera resins na tushen PPA zuwa sassa don maye gurbin karafa a aikace-aikacen da ke buƙatar juriya mai zafi kamar abubuwan haɗin wutar lantarki na mota, gidaje don masu haɗin wutar lantarki mai zafi da sauran amfani da yawa.
Canjin canjin gilashin PPA yana ƙaruwa yayin da adadin TPA ya karu. Idan fiye da kashi 55% na ɓangaren acid na PPA an yi shi ne daga IPA, to, copolymer ya zama amorphous. An bayyana kaddarorin na polymers semi crystalline v amorphous polymers a wani wuri daki-daki. A taƙaice, crystalline yana taimakawa tare da juriya na sinadarai da kaddarorin inji sama da yanayin canjin gilashin (amma a ƙasa da wurin narkewa). Amorphous polymers suna da kyau a cikin warpage da nuna gaskiya.
Siffofin PPA
Kayan PPA yana da kyawawan abubuwan haɗin gwiwa, wanda ke aiki da kyau a yanayin zafi, lantarki, jiki da sinadarai. Musamman a ƙarƙashin babban zafin jiki PPA har yanzu yana da babban ƙarfi da ƙarfi mai ƙarfi, tare da ingantaccen daidaito da kwanciyar hankali.
Babban Filin Aikace-aikacen PPA
Musamman ta amfani da daraja don Matsakaicin yanayin sarrafa ruwa na Automotive da sashin jiki na thermostat.
| Filin | Abubuwan Aikace-aikace |
| Sassan Motoci | Auto Water Water Temperature Control Assemblies, thermostat body part, tsarin sassa, tsauri famfo, kama part, man famfo da dai sauransu. |
| Lantarki da Lantarki | Connector, SMT connector, Breaker, soket, bobbins da dai sauransu. |
| Madaidaicin masana'antu da sassan injina | Wuraren famfo mai sarrafa wutar lantarki, sassan tanderun tururi, masu haɗa tukunyar jirgi mai zafi, na'urori masu dumama ruwa |
SIKO PPA Maki Da Bayani
| SIKO Grade No. | Filler(%) | FR (UL-94) | Bayani |
| Saukewa: SPA90G33/G40-HRT | 33% -40% | HB | PPA, wani nau'i ne na semi-crystalline thermoplastic aromatic polyamide, wanda aka fi sani da shi azaman nailan mai tsananin zafin jiki, tare da kaddarorin zafi mai jurewa 180 ℃ a cikin yanayin aiki na dogon lokaci, da 290 ℃ a cikin ɗan gajeren lokaci aiki zazzabi, kazalika. a matsayin babban modules, high rigidity, high yi-farashin rabo, low ruwa sha kudi, girma da kwanciyar hankali da kuma kyau kwarai waldi fa'ida, da dai sauransu PPA abu yana da kyau kwarai hade Properties, wanda yi da kyau a thermal, lantarki, jiki da kuma sinadaran Properties. Musamman a ƙarƙashin babban zafin jiki PPA har yanzu yana da babban ƙarfi da ƙarfi mai ƙarfi, tare da ingantaccen daidaito da kwanciyar hankali. |
| SPA90G30/G35/40/45/50 | 30%, 35%, 40 %,45%,50% | HB | |
| SPA90G30F/G35F/40F/45F/50F | 30%, 35%, 40 %,45%,50% | V0 | |
| Saukewa: SPA90G35F-GN | 35% | V0 | |
| Saukewa: SPA90G35-WR | 35% | HB | |
| Saukewa: SPA90C35/C40 | 35%, 40% | HB |
Jerin Madaidaicin Darajoji
| Kayan abu | Ƙayyadaddun bayanai | Babban darajar SIKO | Daidai da Alamar Alama & daraja |
| PPA | PPA + 33% GF, Heat daidaitacce, Hydrolysis, HB | Saukewa: SPA90G33-HSLR | SOLVAY AS-4133HS, DUPONT HTN 51G35HSLR |
| PPA + 50% GF, Heat daidaitacce, HB | Saukewa: SPA90G50-HSL | EMS GV-5H, DUPONT HTN 51G50HSL | |
| PPA+30% GF, FR V0 | Saukewa: SPA90G30F | SOLVAY AFA-6133V0Z, DUNPONT HTN FR52G30NH |
