Mmepe nkeresin polyester na-enweghị afọ ojujuNgwaahịa nwere akụkọ ihe mere eme nke ihe karịrị afọ 70. N'ime obere oge dị otú a, ngwaahịa resin polyester nke na-enweghị afọ ojuju etoola ngwa ngwa n'ihe gbasara mmepụta na ọkwa teknụzụ. Ebe ọ bụ na ngwaahịa resin polyester nke na-enweghị afọ ojuju aghọọla otu n'ime ụdị kachasị ukwuu na ụlọ ọrụ resin thermosetting. N'oge mmepe nke resin polyester nke na-enweghị afọ ojuju, ozi teknụzụ gbasara patent ngwaahịa, magazin azụmaahịa, akwụkwọ teknụzụ, wdg na-apụta otu mgbe. Ruo ugbu a, enwere ọtụtụ narị patent mepụtara kwa afọ, nke metụtara resin polyester nke na-enweghị afọ ojuju. A pụrụ ịhụ na mmepụta na teknụzụ ojiji nke resin polyester nke na-enweghị afọ ojuju aghọọla ihe na-eto eto na mmepe nke mmepụta, ma jiri nwayọọ nwayọọ guzobe usoro teknụzụ pụrụ iche na nke zuru oke nke mmepụta na ozizi ngwa. N'usoro mmepe gara aga, resin polyester nke na-enweghị afọ ojuju enyela aka pụrụ iche na ojiji izugbe. N'ọdịnihu, ọ ga-etolite na ụfọdụ ubi pụrụ iche, n'otu oge ahụ, a ga-ebelata ọnụ ahịa resins maka ebumnuche izugbe. Ndị a bụ ụfọdụ ụdị resin polyester na-enweghị afọ ojuju na nke na-ekwe nkwa, gụnyere: resin obere mkpụmkpụ, resin na-egbochi ire ọkụ, resin siri ike, resin obere styrene volatilization, resin na-eguzogide nchara, resin gel coat resin, resin na-agwọ ọkụ Resin polyester na-enweghị afọ ojuju, resin dị ọnụ ala nwere ihe pụrụ iche, na mkpịsị aka osisi dị elu nke ejiri ihe na usoro ọhụrụ mepụta.
1. Resin obere mkpụmkpụ
Ụdị resin a nwere ike ịbụ naanị isiokwu ochie. Resin polyester na-enweghị afọ ojuju na-eso nnukwu mbelata n'oge a na-agwọ ya, ọnụego mbelata olu n'ozuzu ya bụ 6-10%. Mbelata a nwere ike imebi ma ọ bụ ọbụna gbawaa ihe ahụ nke ukwuu, ọ bụghị n'usoro ịkpụzi mkpakọ (SMC, BMC). Iji merie adịghị ike a, a na-ejikarị resin thermoplastic dị ka ihe mgbakwunye mbelata. E nyere DuPont ikike ikike n'akụkụ a na 1934, nọmba ikike US 1.945,307. Patent ahụ na-akọwa copolymerization nke dibasic antelopelic acid na ogige vinyl. O doro anya na n'oge ahụ, patent a malitere teknụzụ mbelata mbelata maka resin polyester. Kemgbe ahụ, ọtụtụ mmadụ etinyela onwe ha n'ọmụmụ nke sistemụ copolymer, nke a na-ewere mgbe ahụ dị ka alloys plastik. Na 1966, e ji resin obere mbelata Marco mee ihe na mbụ na ịkpụzi na mmepụta ụlọ ọrụ mmepụta ihe.
Òtù Ndị Ọrụ Plastik kpọrọ ngwaahịa a "SMC", nke pụtara ihe mejupụtara mpempe akwụkwọ, ihe mejupụtara premix ya dị ala "BMC" pụtara ihe mejupụtara ihe owuwu buru ibu. Maka mpempe akwụkwọ SMC, a na-achọkarị ka akụkụ resin a kpụrụ akpụ nwee ezigbo nnabata, mgbanwe na ihe na-egbuke egbuke A, a ga-ezerekwa obere mgbawa n'elu, nke chọrọ ka resin dakọtara nwee obere ọnụego mbelata. N'ezie, ọtụtụ patent emeela ka teknụzụ a ka mma ma melite ya, nghọta nke usoro nke mmetụta mbelata adịla nwayọọ nwayọọ, ọtụtụ ihe nnọchite anya dị ala ma ọ bụ ihe mgbakwunye dị ala apụtala ka oge na-aga. Ihe mgbakwunye mbelata dị ala a na-ejikarị eme ihe bụ polystyrene, polymethyl methacrylate na ihe ndị yiri ya.
2. Resin na-egbochi ọkụ
Mgbe ụfọdụ, ihe ndị na-egbochi ire ọkụ dị mkpa dịka nnapụta ọgwụ, ihe ndị na-egbochi ire ọkụ nwekwara ike izere ma ọ bụ belata ihe mberede. Na Yuropu, ọnụọgụ ọnwụ ọkụ ebelatala ihe dị ka 20% n'ime afọ iri gara aga n'ihi ojiji nke ihe ndị na-egbochi ire ọkụ. Nchekwa nke ihe ndị na-egbochi ire ọkụ n'onwe ya dịkwa oke mkpa. Ọ bụ usoro dị nwayọ ma sie ike ịhazi ụdị ihe eji eme ihe n'ụlọ ọrụ. Ugbu a, European Community enweela ma na-eme nyocha ihe egwu na ọtụtụ ihe ndị na-egbochi ọkụ halogen na halogen-phosphorus., ọtụtụ n'ime ha ga-emecha n'etiti 2004 na 2006. Ugbu a, mba anyị na-ejikarị diol nwere chlorine ma ọ bụ bromine ma ọ bụ ihe ndị ọzọ na-anọchi dibasic acid dị ka ihe eji emepụta resin resin reactive flame reactive. Ihe ndị na-egbochi ire ọkụ halogen ga-emepụta ọtụtụ anwụrụ ọkụ mgbe ọ na-ere ọkụ, ha na-esokwa mmepụta nke hydrogen halide na-akpasu iwe nke ukwuu. Anwụrụ ọkụ na anwụrụ ọkụ na-egbu egbu nke a na-emepụta n'oge usoro ọkụ na-akpata nnukwu mmerụ ahụ nye ndị mmadụ.
Ihe karịrị pasentị iri asatọ nke ihe mberede ọkụ na-akpata ya. Ihe ọzọ na-adịghị mma nke iji ihe mgbochi ọkụ sitere na bromine ma ọ bụ hydrogen bụ na a ga-emepụta gas ndị na-emebi emebi na gburugburu ebe obibi mgbe a gbara ha ọkụ, nke ga-ebute mmebi na ihe eletriki. Ojiji nke ihe mgbochi ọkụ inorganic dị ka alumina hydrated, magnesium, canopy, molybdenum compounds na ihe mgbakwunye ndị ọzọ na-egbochi ọkụ nwere ike imepụta obere anwụrụ ọkụ na obere nsị resins ọkụ na-egbochi ọkụ, ọ bụ ezie na ha nwere mmetụta doro anya na ha na-ebelata anwụrụ ọkụ. Agbanyeghị, ọ bụrụ na ọnụọgụ nke ihe na-egbochi ọkụ inorganic buru ibu, ọ bụghị naanị na viscosity nke resin ga-abawanye, nke na-adịghị mma maka owuwu, kamakwa mgbe etinyere nnukwu ihe mgbochi ọkụ na resin, ọ ga-emetụta ike igwe na ihe onwunwe eletriki nke resin mgbe ọ gwọrọ.
Ugbu a, ọtụtụ akwụkwọ ikike mba ofesi akọpụtala teknụzụ nke iji ihe ndị na-egbochi ọkụ dabere na phosphorus iji mepụta resins ndị na-ebelata nsí na obere anwụrụ ọkụ. Ihe ndị na-egbochi ọkụ dabere na phosphorus nwere mmetụta dị ukwuu nke ihe ndị na-egbochi ọkụ. Enwere ike ime ka acid metaphosphoric nke a na-emepụta n'oge ọkụ ghọọ ọnọdụ polymer kwụsiri ike, na-emepụta oyi akwa nchebe, na-ekpuchi elu ihe ọkụ, na-ekewapụ oxygen, na-akwalite mmiri ịkpọ nkụ na carbonization nke elu resin, ma na-emepụta ihe mkpuchi carbonized. Site na nke a, igbochi ọkụ ma n'otu oge ahụ enwere ike iji ihe ndị na-egbochi ọkụ dabere na phosphorus na njikọ ya na ihe ndị na-egbochi ọkụ halogen, nke nwere mmetụta synergistic doro anya. N'ezie, ntụziaka nyocha n'ọdịnihu nke resin na-egbochi ọkụ bụ obere anwụrụ ọkụ, obere nsí na obere ọnụ ahịa. Resin kacha mma enweghị anwụrụ ọkụ, obere nsí, obere ọnụ ahịa, anaghị emetụta resin, nwere ihe ndị sitere n'okike, ọ dịghị mkpa ịgbakwunye ihe ndị ọzọ, enwere ike ịmepụta ya ozugbo na ụlọ ọrụ mmepụta resin.
3. Resin na-eme ka ọ sie ike
Ma e jiri ya tụnyere ụdị resin polyester nke mbụ a na-anaghị ejupụta, ike resin dị ugbu a emeela ka ọ ka mma nke ukwuu. Agbanyeghị, site na mmepe nke resin polyester nke na-anaghị ejupụta, a na-etinye ihe ọhụrụ dị mkpa maka arụmọrụ nke resin nke na-anaghị ejupụta, ọkachasị n'ihe gbasara ike. Njedebe nke resin nke na-anaghị ejupụta mgbe a gwọchara ya fọrọ nke nta ka ọ bụrụ nsogbu dị mkpa nke na-egbochi mmepe nke resin nke na-anaghị ejupụta. Ma ọ bụ ngwaahịa aka e ji ihe a kpụrụ akpụ mee ma ọ bụ ngwaahịa a kpụrụ akpụ ma ọ bụ nke ọnya, ogologo oge mgbe ọ gbawara na-aghọ ihe ngosi dị mkpa maka ịtụle ịdị mma nke ngwaahịa resin.
Ugbu a, ụfọdụ ndị na-emepụta ihe si mba ọzọ na-eji usoro itinye resin zuru oke iji melite ike. Dịka itinye polyester juru eju, roba styrene-butadiene na roba carboxy-endated (suo-) styrene-butadiene, wdg., usoro a bụ nke usoro ike anụ ahụ. Enwere ike iji ya tinye block polymers n'ime isi iyi nke unsaturated polyester, dị ka nhazi netwọk interpassating nke unsaturated polyester resin na epoxy resin na polyurethane resin mepụtara, nke na-eme ka ike nrụgide na ike mmetụta nke resin dịkwuo mma nke ukwuu. , usoro ike a bụ nke usoro ike kemịkal. Enwere ike iji ngwakọta nke ike anụ ahụ na ike kemịkal, dị ka ịgwakọta polyester na-anaghị emeghachi omume karịa na ihe na-anaghị emeghachi omume iji nweta mgbanwe achọrọ.
Ugbu a, a na-eji mpempe akwụkwọ SMC eme ihe nke ukwuu n'ụlọ ọrụ ụgbọala n'ihi ịdị arọ ha dị mfe, ike dị elu, iguzogide nchara, na mgbanwe nhazi. Maka akụkụ dị mkpa dịka panel ụgbọala, ọnụ ụzọ azụ, na panel mpụta, a chọrọ ezigbo ike, dị ka panel mpụta ụgbọala. Ndị nche nwere ike ịgbagọ azụ ruo n'ókè dị oke ma laghachi n'ụdị mbụ ha mgbe obere mmetụta gasịrị. Ịbawanye ike nke resin na-efunahụ ihe ndị ọzọ nke resin, dị ka ike, ike mgbanwe, iguzogide okpomọkụ, na ọsọ ọgwụgwọ n'oge owuwu. Imeziwanye ike nke resin na-efunahụ ihe ndị ọzọ dị n'ime ya nke resin aghọwo isiokwu dị mkpa na nyocha na mmepe nke resin polyester na-enweghị afọ ojuju.
4. Resin styrene dị ala
N'ime usoro nhazi resin polyester a na-anaghị eju afọ, styrene na-egbu egbu ga-emebi ahụike ndị ọrụ owuwu nke ukwuu. N'otu oge ahụ, a na-ewepụta styrene n'ime ikuku, nke ga-ebutekwa mmetọ ikuku dị njọ. Ya mere, ọtụtụ ndị ọchịchị na-amachi oke mkpokọta styrene a na-anabata n'ikuku nke ebe a na-emepụta ihe. Dịka ọmụmaatụ, na United States, ọkwa mkpughe ya a na-anabata (ọkwa mkpughe a na-anabata) bụ 50ppm, ebe na Switzerland uru PEL ya bụ 25ppm, obere ọdịnaya dị otú ahụ adịghị mfe iru. Ịdabere na ikuku siri ike dịkwa oke. N'otu oge ahụ, ikuku siri ike ga-edugakwa na mfu nke styrene site n'elu ngwaahịa ahụ na mkpughe nke nnukwu styrene n'ime ikuku. Ya mere, iji chọta ụzọ isi belata mmịpụta nke styrene, site na mgbọrọgwụ, ọ ka dị mkpa ịrụcha ọrụ a na ụlọ ọrụ mmepụta resin. Nke a chọrọ mmepe nke obere styrene volatility (LSE) resins nke na-anaghị emerụ ikuku ma ọ bụ na-emebighị ya nke ọma, ma ọ bụ unsaturated polyester resins na-enweghị styrene monomers.
Ibelata ọdịnaya nke monomers na-agbanwe agbanwe abụrụla isiokwu nke ụlọ ọrụ resin polyester nke na-enweghị afọ ojuju mepụtara n'afọ ndị na-adịbeghị anya. E nwere ọtụtụ ụzọ eji eme ihe ugbu a: (1) usoro nke ịgbakwunye obere ihe mgbochi mgbanwe; (2) usoro nke resin polyester nke na-enweghị afọ ojuju na-enweghị monomers styrene na-eji divinyl, vinylmethylbenzene, α-methyl Styrene dochie monomers vinyl nwere monomers styrene; (3) Usoro nke resin polyester nke na-enweghị afọ ojuju nwere obere monomers styrene bụ iji monomers ndị dị n'elu na monomers styrene ọnụ, dịka iji diallyl phthalate Ojiji nke monomers vinyl na-esi ike dị elu dị ka esters na acrylic copolymers na monomers styrene: (4) Ụzọ ọzọ iji belata volatilization nke styrene bụ itinye nkeji ndị ọzọ dị ka dicyclopentadiene na ihe ndị sitere na ya n'ime polyester ndị na-enweghị afọ ojuju. Ọkpụkpụ resin, iji nweta obere viscosity, ma mechaa belata ọdịnaya nke monomer styrene.
N'ịchọ ụzọ isi dozie nsogbu nke styrene volatilization, ọ dị mkpa ịtụle nke ọma etu resin si arụ ọrụ na usoro ịkpụzi ihe dị ugbu a dịka ịgbasa elu, usoro lamination, usoro ịkpụzi SMC, ọnụ ahịa ihe eji emepụta ihe n'ụlọ ọrụ mmepụta ihe, na ndakọrịta na sistemụ resin. , Resin reactivity, viscosity, ihe ndị dị na resin mgbe a kpụchara ya, wdg. Na mba m, enweghị iwu doro anya gbasara igbochi mgbanwe nke styrene. Agbanyeghị, site na mmụba nke ụkpụrụ ndụ ndị mmadụ na mmụba nke mmata nke ndị mmadụ banyere ahụike ha na nchekwa gburugburu ebe obibi, ọ bụ naanị oge tupu a chọọ iwu dị mkpa maka mba ndị na-azụ ahịa na-enweghị afọ ojuju dịka anyị.
5. Resin na-eguzogide nrụrụ aka
Otu n'ime ojiji dị ukwuu nke resin polyester nke na-enweghị afọ ojuju bụ iguzogide nchara ha na kemịkalụ dịka ihe mgbaze organic, asịd, ntọala, na nnu. Dịka mmalite nke ndị ọkachamara na netwọk resin nke na-enweghị afọ ojuju si dị, a na-ekewa resin ndị na-eguzogide nchara ugbu a n'ime ụdị ndị a: (1) ụdị o-benzene; (2) ụdị iso-benzene; (3) ụdị p-benzene; (4) ụdị bisphenol A; (5) ụdị Vinyl ester; na ndị ọzọ dị ka ụdị xylene, ụdị ihe mejupụtara halogen, wdg. Mgbe ọtụtụ iri afọ nke nyocha na-aga n'ihu site n'aka ọtụtụ ọgbọ nke ndị ọkà mmụta sayensị, a mụọla nchara nke resin na usoro nke iguzogide nchara nke ọma. A na-agbanwe resin ahụ site na ụzọ dị iche iche, dị ka itinye ọkpụkpụ molekul nke siri ike iguzogide nchara n'ime resin polyester nke na-enweghị afọ ojuju, ma ọ bụ iji polyester nke na-enweghị afọ ojuju, vinyl ester na isocyanate mepụta usoro netwọk na-abanye n'ime, nke dị oke mkpa maka imeziwanye iguzogide nchara nke resin. Nguzogide nchara dị irè nke ukwuu, resin nke usoro ngwakọta resin acid mepụtara nwekwara ike nweta nguzogide nchara ka mma.
Ma e jiri ya tụnyereresin epoxy,Ọ dị ọnụ ala na nhazi dị mfe nke resin polyester na-anaghị eriju afọ aghọwo uru dị ukwuu. Dịka ndị ọkachamara na resin net na-anaghị eriju afọ si kwuo, iguzogide nchara nke resin polyester na-anaghị eriju afọ, karịsịa iguzogide alkali, dị ala karịa nke resin epoxy. Enweghị ike dochie resin epoxy. Ugbu a, mmụba nke ala mgbochi ire ere emeela ohere na ihe ịma aka maka resin polyester na-anaghị eriju afọ. Ya mere, mmepe nke resin mgbochi ire ere pụrụ iche nwere atụmanya sara mbara.
Mkpuchi jel na-arụ ọrụ dị mkpa na ihe ndị mejupụtara ya. Ọ bụghị naanị na ọ na-arụ ọrụ ịchọ mma n'elu ngwaahịa FRP, kamakwa ọ na-arụ ọrụ na iguzogide iyi, iguzogide ịka nká na iguzogide nchara kemịkalụ. Dịka ndị ọkachamara si na netwọk resin unsaturated si kwuo, ntụziaka mmepe nke resin jel bụ imepụta resin jel nke nwere obere volatilization styrene, ezigbo ikuku kpọrọ nkụ na iguzogide nchara siri ike. Enwere nnukwu ahịa maka mkpuchi jel na-eguzogide okpomọkụ na resin jel. Ọ bụrụ na e mikpuo ihe FRP n'ime mmiri ọkụ ruo ogologo oge, ọnya ga-apụta n'elu. N'otu oge ahụ, n'ihi ntinye nwayọọ nwayọọ nke mmiri n'ime ihe mejupụtara ya, ọnya elu ga-agbasa nwayọọ nwayọọ. Akpụkpọ ahụ agaghị emetụta naanị ọdịdị nke mkpuchi jel ga-ebelata ike nke ngwaahịa ahụ nwayọ nwayọ.
Cook Composites and Polymers Co. nke Kansas, USA, na-eji ụzọ epoxy na glycidyl ether eme ihe iji mepụta resin gel nke nwere obere viscosity na ezigbo iguzogide mmiri na ihe mgbaze. Na mgbakwunye, ụlọ ọrụ ahụ na-ejikwa polyether polyol-modified na epoxy-terminated resin A (resin na-agbanwe agbanwe) na dicyclopentadiene (DCPD)-modified resin B (resin siri ike) compound, ha abụọ nwere Mgbe ha gwakọtara, resin nwere mmiri na-eguzogide nwere ike ọ bụghị naanị inwe ezigbo mgbochi mmiri, kamakwa inwe ezigbo ike na ike. Ihe mgbaze ma ọ bụ ihe ndị ọzọ dị ala na-abanye n'ime sistemụ ihe FRP site na oyi akwa gel, na-aghọ resin na-eguzogide mmiri nwere nnukwu ihe onwunwe zuru oke.
7. Resin polyester na-enweghị afọ ojuju nke na-agwọ ọkụ
Njirimara ọgwụgwọ ọkụ nke resin polyester nke na-enweghị afọ ojuju bụ ogologo ndụ ite na ọsọ ọgwụgwọ ngwa ngwa. Resin polyester nke na-enweghị afọ ojuju nwere ike imezu ihe achọrọ maka igbochi mgbanwe nke styrene site na ọgwụgwọ ọkụ. N'ihi ọganihu nke ihe na-eme ka fotosensitization na ngwaọrụ ọkụ dị elu, atọọla ntọala maka mmepe nke resin photocurable. E mepụtala ọtụtụ resin polyester nke na-enweghị afọ ojuju nke UV-agwọ ma tinye ya n'ọrụ n'ọtụtụ buru ibu. A na-eme ka njirimara ihe onwunwe, arụmọrụ usoro na iguzogide iyi elu dịkwuo mma, a na-emekwa ka arụmọrụ mmepụta dịkwuo mma site na iji usoro a.
8. Resin dị ọnụ ala nwere ihe pụrụ iche
Resin ndị a gụnyere resin a fụpụtara ụfụfụ na resin mmiri. Ugbu a, ụkọ ike osisi na-arị elu n'ọkwa dị elu. E nwekwara ụkọ ndị ọrụ nwere nkà na-arụ ọrụ na ụlọ ọrụ nhazi osisi, a na-akwụkwa ndị ọrụ a ụgwọ karịa. Ọnọdụ ndị dị otú ahụ na-eme ka plastik banye n'ahịa osisi. A ga-emepụta resin a fụpụtara nke na-enweghị afọ ojuju na resin nwere mmiri dị ka osisi e ji aka rụọ n'ụlọ ọrụ ngwá ụlọ n'ihi ọnụ ahịa ha dị ala na ike dị elu. Ngwa a ga-adị nwayọ na mbido, wee site na mmezi teknụzụ nhazi na-aga n'ihu, a ga-emepụta ngwa a ngwa ngwa.
Enwere ike itinye resin polyester na-enweghị afọ ojuju iji mepụta resin a kpụrụ akpụ nke enwere ike iji dị ka ihe mgbochi mgbidi, ihe ndị e kewara ụlọ ịsa ahụ, na ihe ndị ọzọ. Ike na ike nke plastik a kpụrụ akpụ nke nwere resin polyester na-enweghị afọ ojuju dị ka matrix ka mma karịa nke PS a kpụrụ akpụ; ọ dị mfe nhazi karịa PVC a kpụrụ akpụ; ọnụ ahịa ya dị ala karịa nke plastik polyurethane a kpụrụ akpụ, mgbakwunye nke ihe ndị na-egbochi ọkụ nwekwara ike ime ka ọ bụrụ ihe na-egbochi ọkụ ma na-egbochi ịka nká. Ọ bụ ezie na teknụzụ itinye resin emelitere nke ọma, itinye resin polyester a kpụrụ akpụ nke a kpụrụ akpụ adịghị enye nlebara anya dị ukwuu. Mgbe emechara nyocha, ụfọdụ ndị na-emepụta resin nwere nnukwu mmasị n'ịmepụta ụdị ihe ọhụrụ a. Ụfọdụ nsogbu dị mkpa (ịkpụ akpụkpọ ahụ, nhazi mmanụ aṅụ, mmekọrịta oge gel-foaming, njikwa usoro exothermic adịghị edozi nke ọma tupu mmepụta azụmahịa. Ruo mgbe enwetara azịza, enwere ike itinye resin a naanị n'ihi ọnụ ala ya na ụlọ ọrụ ngwá ụlọ. Ozugbo edoziri nsogbu ndị a, a ga-eji resin a eme ihe nke ukwuu n'ebe dịka ihe na-egbochi ọkụ ụfụfụ kama iji naanị akụ na ụba ya.
Enwere ike kewaa resin polyester nke nwere mmiri n'ụdị abụọ: ụdị mmiri na-agbaze na ụdị emulsion. Kemgbe afọ 1960 ndị mba ọzọ, enwere akwụkwọ ikike na akụkọ akwụkwọ na mpaghara a. Resin nke nwere mmiri bụ ịgbakwunye mmiri dị ka ihe na-emeju resin polyester nke na-enweghị afọ ojuju na resin tupu resin gel, ọdịnaya mmiri ahụ nwekwara ike ịdị elu ruo 50%. A na-akpọ resin WEP resin dị otú ahụ. Resin ahụ nwere njirimara nke obere ọnụ ahịa, ịdị arọ dị mfe mgbe a gwọchara ya, ezigbo ire ọkụ na obere mbelata. Mmepe na nyocha nke resin nwere mmiri na mba m malitere na 1980s, ọ dịkwa ogologo oge. Banyere ojiji, ejirila ya dị ka ihe na-eme ka mmiri sie ike. Resin polyester nke a na-enweghị afọ ojuju bụ ụdị UPR ọhụrụ. Teknụzụ dị na ụlọ nyocha na-etowanye nke ọma, mana enwere obere nyocha na ojiji. Nsogbu ndị a chọrọ idozi ọzọ bụ nkwụsi ike nke emulsion, ụfọdụ nsogbu na usoro ọgwụgwọ na ịkpụzi, na nsogbu nke nkwenye ndị ahịa. N'ozuzu, resin polyester nke dị tọn 10,000 nwere ike imepụta ihe dị ka tọn 600 nke mmiri mkpofu kwa afọ. Ọ bụrụ na ejiri resin polyester nke na-enweghị afọ ojuju mepụta resin nke nwere mmiri, ọ ga-ebelata ọnụ ahịa resin ma dozie nsogbu nke mmepụta nchekwa gburugburu ebe obibi.
Anyị na-azụ ahịa na ngwaahịa resin ndị a: resin polyester na-enweghị afọ ojuju;resin vinylresin uwe jel; resin epoxy.
Anyị na-emepụtakwa ihefiberglass direct roving,ihe mkpuchi fiberglass, eriri fiberglass, naihe e ji fiberglass kpaa.
Kpọtụrụ anyị :
Nọmba ekwentị:+8615823184699
Nọmba ekwentị: +8602367853804
Email:marketing@frp-cqdj.com
Oge ozi: Juun-08-2022
