Haɗin kai na kayan aikin elastomer na polyurethane: haɗuwa da haɗuwa, haɗuwa a ko'ina.Yin amfani da sabon nau'in bawul ɗin allura, matakin injin yana da kyau don tabbatar da cewa samfurin ba shi da kumfa macroscopic.Ana iya ƙara manna launi.Shugaban hadawa yana da mai sarrafawa guda ɗaya don aiki mai sauƙi.Ma'ajiyar sashi da sarrafa zafin jiki: Tankin salon jaket tare da ma'aunin matakin gani.Ana amfani da ma'aunin matsi na dijital don sarrafa matsa lamba da fasali/mafi ƙarancin ƙimar ƙararrawa.Ana amfani da dumama masu juriya don daidaita yanayin zafin jiki.An sanye da tanki tare da mai motsawa don haɗuwa da kayan daidai.

Aikace-aikacen kayan aiki napolyurethane elastomer kayan aikisamarwa:

1. Semi-m kai kumfa: amfani da daban-daban furniture na'urorin, allon kujera armrests, fasinja mota kujera armrests, tausa bathtub matashin kai, bathtub armrests, bathtub backrests, wanka wurin zama matashin, mota tuƙi, mota kushin, mota ciki da kuma waje Na'urorin haɗi, sanduna masu ƙarfi, katifu na kayan aikin likita da na tiyata, ɗakunan kai, matattarar kujerun kayan aikin motsa jiki, na'urorin kayan aikin motsa jiki, tayoyin PU masu ƙarfi da sauran jerin;

2. Kumfa mai laushi da sannu-sannu: kowane nau'in kayan wasan kwaikwayo na sannu-sannu, abinci na wucin gadi na wucin gadi, katifa mai saurin dawowa, matakan jinkirin jinkiri, matasan jiragen sama na jiragen sama, matasan yara na yara da sauran samfurori;

3. Soft high-resilience kumfa: kayan wasa da kyaututtuka, PU bukukuwa, PU high-resilience furniture cushions, PU high-resilience furniture, keke, da mota kujera, PU high-resilience fitness wasanni kayan saddles, PU hakori kujera backrests , PU likita headrest, PU likita gado kafa katifa, PU high juriya dambe safar safar hannu liner.

4. Soft da wuya lambu Categories: PU flower tukunyar zobe jerin, muhalli abokantaka itace bran flower tukunya jerin, PU kwaikwayo flower da leaf jerin, PU kwaikwaiyo itace gangar jikin jerin, da dai sauransu .;

5. Cike mai tsauri: makamashin hasken rana, masu dumama ruwa, dumama dumama da bututun rufewa da aka riga aka shirya kai tsaye, ginshiƙan ajiyar sanyi, yankan bangarori, katunan shinkafa mai tuƙi, sassan sanwici, ƙofofin rufewa, masu tsakar firiji, injin injin daskarewa, ƙaƙƙarfan ƙofofin kumfa da tagogi. , Ƙofofin gareji, akwatunan adana sabo, Jerin ganga mai rufi;

6. M da wuyar kare muhalli buffer marufi: amfani a cikin daban-daban m da kuma muhimmanci marufi kayayyakin da sauran jerin;

7. Hard kwaikwayi itace kumfa: wuya kumfa kofa leaf, gine-gine ado kusurwa line, saman layi, rufi farantin, madubi frame, fitilar, bango shiryayye, magana, wuya kumfa gidan wanka na'urorin haɗi.

Abubuwan da ake amfani da su don elastomer na polyurethane galibi nau'ikan nau'ikan ne guda uku, wato oligomer polyols, polyisocyanates da sarƙoƙi na sarƙoƙi (masu haɗawa).Bugu da ƙari, wani lokacin don ƙara saurin amsawa, inganta aikin sarrafawa da aikin samfurin, ya zama dole don ƙara wasu abubuwan haɗin gwiwa.Sai kawai albarkatun da aka yi amfani da su wajen samar da siginar polyurethane an kwatanta su dalla-dalla a ƙasa.

Abubuwan elastomer na polyurethane suna da launi, kuma kyawawan bayyanar su ya dogara da masu launi.Akwai nau'ikan masu launi iri biyu, rini na halitta da kuma inorganic pigments.Yawancin rini na halitta ana amfani da su a cikin samfuran polyurethane na thermoplastic, kayan ado da ƙawata sassan allura da sassan da aka cire.Gabaɗaya akwai hanyoyi guda biyu don canza launin kayan elastomer: ɗaya shine a niƙa abubuwan taimako kamar su pigments da polyols oligomer don samar da ruwan inna mai launi mai launi, sannan a zuga a gauraya adadin da ya dace na liƙa uwar giya da oligomer polyols daidai, sannan zafi da su.Bayan bushewar ruwa, yana amsawa tare da abubuwan isocyanate don samar da samfuran, irin su granules launi na thermoplastic polyurethane da kayan shimfida launi;wata hanyar ita ce a niƙa abubuwan da ake ƙarawa kamar su pigments da oligomer polyols ko plasticizers a cikin manna launi ko launi, da dumama da bushewa, da kuma kunshe don amfani daga baya.Lokacin amfani, ƙara ɗan manna launi kaɗan a cikin prepolymer, motsawa daidai, sa'an nan kuma mayar da martani tare da wakilin haɗin giciye mai sarkar don jefa samfurin.An fi amfani da wannan hanyar a cikin tsarin vulcanization na MOCA, abun ciki na pigment a cikin launi mai launi shine kusan 10% -30%, kuma adadin adadin manna launi a cikin samfurin yana ƙasa da 0.1%.

Ana yin polymer diol da diisocyanate a cikin prepolymers, waɗanda aka gauraye su gaba ɗaya, an yi musu allura a cikin mold bayan lalatawar lalata, allura a cikin mold kuma an warke, sannan a warke don samun samfurin:

Na farko, dehydrate da polyurethane elastomer kayan aiki a karkashin rage matsa lamba a 130 ℃, ƙara dehydrated polyester albarkatun kasa (a 60 ℃) a cikin dauki jirgin ruwa dauke da compounded TDI-100, da kuma hada da prepolymer tare da isa stirring.A kira dauki ne exothermic, kuma ya kamata a lura da cewa dauki zazzabi ya kamata a sarrafa a cikin kewayon 75 ℃ zuwa 82 ℃, da dauki za a iya yi domin 2 hours.An sanya prepolymer ɗin da aka haɗa a cikin tanda mai bushewa a 75 ° C, kuma an shafe shi a ƙarƙashin injin don sa'o'i 2 kafin amfani.

Sa'an nan zafi da prepolymer zuwa 100 ℃, da kuma vacuumize (vacuum digiri -0.095mpa) don cire iska kumfa, auna giciye-linking wakili MOCA, zafi shi da lantarki tanderu a 115 ℃ don narke, da kuma gashi mold tare da dace saki. wakili don preheat (100 ℃).), da degassed prepolymer ne gauraye da melted MOCA, da hadawa zafin jiki ne 100 ℃, da kuma cakuda ne zuga ko'ina.A cikin preheated mold, lokacin da cakuda ba ya gudana ko manne a hannun (gel-kamar), rufe mold kuma sanya shi a cikin vulcanizer don gyare-gyaren vulcanization (yanayin vulcanization: vulcanization zafin jiki 120-130 ℃, vulcanization lokaci, don babban). da Kauri elastomer, lokacin vulcanization ya fi 60min, ga ƙanana da siraran elastomers, lokacin vulcanization shine 20min), magani bayan vulcanization, sanya samfuran da aka ƙera da vulcanized a 90-95 ℃ (a cikin lokuta na musamman, yana iya zama 100). ℃) Ci gaba da vulcanize na tsawon sa'o'i 10 a cikin tanda, sa'an nan kuma sanya shi a dakin da zafin jiki na kwanaki 7-10 don kammala tsufa da yin samfurin da aka gama.