Ịgwakọta isi nke polyurethane elastomer akụrụngwa: na-akpali akpali, ịgwakọta ọbụna.N'iji ụdị valvụ injection ọhụrụ, ogo oghere dị mma iji hụ na ngwaahịa ahụ enweghị afụ macroscopic.Enwere ike ịgbakwunye tapawa agba.Isi ngwakọta nwere otu njikwa maka ịrụ ọrụ dị mfe.Nchekwa akụrụngwa na njikwa okpomọkụ: tankị ụdị jaket nwere nlele ọkwa ọhụụ.A na-eji ihe nrịbama dijitalụ maka njikwa nrụgide na njirimara/ụkpụrụ mkpu kacha nta.A na-eji ndị na-ekpo ọkụ na-eguzogide ọgwụ maka nhazi ọnọdụ okpomọkụ.A na-eji tankị mee ihe na-akpali akpali iji gwakọta ihe ahụ nke ọma.

Ngwa ngwa nkeakụrụngwa elastomer polyurethanemmepụta:

1. Semi-esighi ike onwe akpụkpọ ụfụfụ: eji dị iche iche ngwá ụlọ ngwa, oche oche armrests, njem ụgbọ ala oche armrests, ịhịa aka n'ahụ bathtub ohiri isi, bathtub armrests, bathtub backrests, bathtub oche cushions, ụgbọ ala steing wiil, ụgbọ ala cushions, ụgbọ ala ime na mputa. Ngwa, ihe mgbochi mgbochi, matraasi na akụrụngwa ahụike na ịwa ahụ, ebe a na-edebe isi, oche oche mgbatị ahụ, ngwa ngwa mma, taya siri ike PU na usoro ndị ọzọ;

2. Ụfụfụ dị nro ma dị nwayọọ: ụdị ihe ọ bụla eji egwuri egwu na-eji nwayọọ nwayọọ na-emegharị ngwa ngwa, nri artificial na-eji nwayọọ nwayọọ na-emegharị ngwa ngwa, matraasi na-eme ka ọ dị nwayọọ, ohiri isi na-eme ka ọ dị nwayọọ, ụgbọ elu ụgbọelu na-eji nwayọọ nwayọọ na-emegharị, ohiri isi ụmụaka na-eji nwayọọ nwayọọ na ngwaahịa ndị ọzọ;

3. Soft high resilience foam: egwuregwu ụmụaka na onyinye, PU bọọlụ, PU elu-resilience ngwá ụlọ cushions, PU elu-resilience ọgba tum tum, ịnyịnya ígwè, na ụgbọ ala oche cushions, PU elu-resilience mma egwuregwu saddles, PU eze oche backrests , PU ahụike headrest, PU ọgwụ bed akpụ matraasi, PU elu resilience ọkpọ uwe liner.

4. Soft na ike ubi edemede: PU ifuru ite mgbanaka usoro, gburugburu ebe obibi enyi na enyi osisi bran ifuru ite usoro, PU ịme anwansị ifuru na akwukwo usoro, PU simulation osisi ogwe usoro, wdg;

5. Ndochi siri ike: ike anyanwụ, ndị na-ekpo ọkụ mmiri, ndị na-ekpo ọkụ na-ekpo ọkụ na-ekpo ọkụ na-ekpo ọkụ na-ekpo ọkụ na-ekpo ọkụ na ọkụ ọkụ ọkụ, ogwe nchekwa oyi, ogwe osisi, ụgbọ osikapa steamed, ogwe Sanwichi, ọnụ ụzọ mkpuchi, friji interlayers, friza interlayers, siri ike ọnụ ụzọ ụfụfụ na windo. , ọnụ ụzọ ebe a na-adọba ụgbọala, igbe nchekwa ọhụrụ, Usoro gbọmgbọm mkpuchi;

6. Nkwakọ ngwaahịa nchekwa gburugburu ebe obibi dị nro na nke siri ike: ejiri ya na ngwaahịa nkwakọ ngwaahịa dị iche iche na-emebi emebi na usoro ndị ọzọ;

7. Ike nṅomi osisi ụfụfụ: ike ụfụfụ ọnụ ụzọ akwukwo, architectural mma nkuku ahịrị, top akara, uko ụlọ efere, mirror etiti, kandụl, mgbidi shelf, ọkà okwu, ike ụfụfụ ụlọ ịwụ ngwa.

Akụrụngwa maka polyurethane elastomer bụ nke kachasị atọ, ya bụ oligomer polyols, polyisocyanates na ndị na-eke ígwè (ndị na-eme ihe na-agafe agafe).Tụkwasị na nke ahụ, mgbe ụfọdụ iji mee ka mmeghachi omume na-agba ọsọ, melite arụmọrụ nhazi na arụmọrụ ngwaahịa, ọ dị mkpa ịgbakwunye ụfọdụ ndị na-emepụta ihe.Naanị ihe eji eme ihe na-emepụta saddles polyurethane ka akọwara n'ụzọ zuru ezu n'okpuru ebe a.

Ngwaahịa elastomer polyurethane na-acha mara mma, ọdịdị ha mara mma dabere na agba agba.E nwere ụdị agba abụọ dị iche iche, ihe e ji esiji ahịhịa na ihe ndị na-adịghị ahụkebe.A na-eji ihe ka ukwuu n'ime ihe ndị dị ndụ na-eme ihe na thermoplastic polyurethane ngwaahịa, ihe ịchọ mma na ịchọ mma na akụkụ injection na akụkụ extruded.Enwere ụzọ abụọ maka agba agba nke ngwaahịa elastomer: otu bụ ịkwanye ihe inyeaka dị ka pigmenti na polyols oligomer iji mepụta mmanya na-acha ọcha nke nne, wee kpalite ma gwakọta nha kwesịrị ekwesị nke tapawa nne mmanya na oligomer polyols. kpoo ha ọkụ.Mgbe akpịrị ịkpọ nkụ gachara, ọ na-emeghachi omume na akụkụ isocyanate iji mepụta ngwaahịa, dị ka granules agba thermoplastic polyurethane na ihe mgbochi agba;usoro ọzọ bụ ịkwanye ihe mgbakwunye dị ka pigmenti na oligomer polyols ma ọ bụ plasticizers n'ime pasta agba ma ọ bụ paste agba, kpochapu ya site na kpo oku na agụụ, na ngwugwu maka ojiji emechaa.Mgbe ị na-eji ya, tinye ntakịrị tapawa agba n'ime prepolymer, kpalite nke ọma, wee meghachi omume na onye na-eme njikọ na-ekekọta yinye ka ị tụba ngwaahịa ahụ.A na-ejikarị usoro a na MOCA vulcanization system, ọdịnaya pigmenti dị na tapawa agba bụ ihe dị ka 10% -30%, na mgbakwunye ego nke tapawa agba na ngwaahịa ahụ dị n'okpuru 0.1%.

A na-eme polymer diol na diisocyanate ka ọ bụrụ prepolymers, nke a na-agwakọta n'ụzọ zuru ezu, na-agbanye n'ime ihe ọkụkụ ahụ mgbe ọ gbasasịrị oghere, gbanye ya n'ime ihe ahụ ma gwọọ ya, wee gwọọ ya iji nweta ngwaahịa ahụ:

Nke mbụ, dehydrate na polyurethane elastomer akụrụngwa n'okpuru belatara mgbali na 130 ℃, gbakwunye dehydrated polyester raw material (na 60 ℃) n'ime mmeghachi omume arịa nwere compounded TDI-100, na synthesize prepolymer na zuru ezu edemede.The njikọ mmeghachi omume bụ exothermic, na ọ ga-kwuru na mmeghachi omume okpomọkụ kwesịrị ịchịkwa n'ime nso nke 75 ℃ ka 82 ℃, na mmeghachi omume nwere ike rụrụ maka 2 awa.A na-etinye prepolymer synthesized na oven na-ekpo ọkụ na-ekpo ọkụ na 75 Celsius C, ma kpochaa n'okpuru oghere maka awa 2 tupu ejiri ya.

Mgbe ahụ kpoo prepolymer ahụ ruo 100 ℃, na vacuumize (vacuum degrees -0.095mpa) wepụ ikuku egosipụta, tụọ cross-njikọ gị n'ụlọnga MOCA, kpoo ya ọkụ eletrik na 115 ℃ ka agbazekwa, na uwe ebu na a dabara ntọhapụ. onye na-ahụ maka preheat (100 ℃).), na degassed prepolymer na-agwakọta na gbazee MOCA, agwakọta okpomọkụ bụ 100 ℃, na ngwakọta na-akpali evenly.N'ime ebu a na-ekpo ọkụ, mgbe ngwakọta anaghị eruba ma ọ bụ rapara n'aka (gel-like), mechie ebu ahụ ma tinye ya na vulcanizer maka ịkpụzi vulcanization (ọnọdụ vulcanization: vulcanization okpomọkụ 120-130 ℃, vulcanization oge, maka nnukwu. na Thick elastomer, oge vulcanization karịrị 60min, maka obere na mkpa elastomers, vulcanization oge bụ 20min), post-vulcanization ọgwụgwọ, na-etinye a kpụrụ na vulcanized ngwaahịa na 90-95 ℃ (n'ọnọdụ pụrụ iche, ọ nwere ike ịbụ 100). ℃) Gaa n'ihu vulcanize maka awa 10 na oven, wee tinye ya na ụlọ okpomọkụ maka ụbọchị 7-10 iji mezue ịka nká ma mee ngwaahịa ahụ emechara.