Methyl 4-chloroacetoacetate

Na-ere ọkụ ma ọ bụghị ire ọkụ, nwere isi ísì alkyl phenol pụrụ iche.Soluble na mmanya, ester, alkane, aromatic na ndị ọzọ organic mgbaze, dị ka ethanol, acetone, butyl acetate, mmanụ ụgbọala, toluene, soluble na ike alkali ngwọta.Site na njirimara ndị a na-ahụkarị nke ihe ndị phenolic, na kọntaktị na ìhè, okpomọkụ, kọntaktị na ikuku, agba nwayọọ nwayọọ na-amụba.

Na mmepụta mmepụta ihe, a na-ejikarị p-tert-butylphenol mee ihe na mmepụta mmanụ soluble phenolic resin, ink na-ebipụta, ire ọkụ, wdg. A na-ejikwa PTBP dị ka polyvinyl chloride stabilizer, surfactant, na UV absorber.N'ihe gbasara ihe kọntaktị nri, a na-ejikarị p-tert-butyl phenol eme ihe na mmepụta nke polycarbonate resins, a pụkwara iji ya mee ihe na ntinye nke mgbakwunye maka ihe kọntaktị nri.

1. Nchekwa nke PTBP
PTBP enweghị mkpụrụ ndụ ihe nketa na ọrịa carcinogenic, na oke nsi ọnụ nke oke oke nwere LD50> 2000 mg/kg bụ nke nsi dị ala.Ọ nwere oke iwe na akpụkpọ oke bekee.Ahụrụ uru NOAEL nke 60 mg/kg·bw / ụbọchị n'ụfọdụ oke nwere iku ume na-adịghị mma ma ọ bụ nke siri ike yana mbelata albumin plasma n'oge ụbọchị iri anọ na-ekwughachi.Ka ọ dị ugbu a, PTBP bụ nke estrogens phenolic exogenous, na uru NOAEL nke nsi ịmụ nwa bụ 200 mg/kg·bw / ụbọchị, na-egosi ụfọdụ nsị ịmụ nwa.Ya mere, PTBP nwere ụfọdụ ihe egwu na kwesịrị nlebara anya.

2. Ngwa nke PTBP na ihe kọntaktị nri
PTBP bụ akụrụngwa akụrụngwa na-adịghị ma ọ bụ na-anọghị na ihe kọntaktị nri.Enwere ike iji ya dị ka mmepụta polymer ma ọ bụ mgbakwunye.
Na polymers, a na-ejikarị ha eme ihe dị ka monomer Starter na end-sealing agent.Dị ka ihe atụ, na mkpuchi dabeere polymers, formaldehyde, phenol, p-tert-butylphenol polymers na polymers nke formaldehyde, phenol, p-tert-butylphenol na n-butanol polymers na p-tert-butylphenol dị ka monomer na Starter.Poly4,4 '-isopropyl diphenyl carbonate plastik ejiri p-tert-butylphenol mechie na polymers plastik.
Dị ka ihe mgbakwunye, enwere ike iji ya belata ọdịnaya nke njedebe-hydroxyl na mkpuchi ma melite nkwụsi ike nke ngwaahịa.Na plastik enwere ike iji dị ka antioxidant, dị ka maka PS plastic nri kọntaktị ihe na ngwaahịa, iji gbochie ngwaahịa na mmepụta ma ọ bụ ojiji nke thermal oxidation, photooxidation ọsọ mmeghachi omume, igbu oge mmebi, odo usoro ịka nká, na ogologo ọrụ. ndụ nke ngwaahịa.

P-tert-butylphenol nwere mmetụta antioxidant na enwere ike iji ya mee ihe dị ka ihe nkwụnye maka rọba, ncha, hydrocarbons chlorinated na eriri digestive.Uv absorbent, pesticide, roba, agba na ihe ndị ọzọ na-egbochi mgbawa.Dịka ọmụmaatụ, eji resin polycarbon, tert-butyl phenolic resin, epoxy resin, polyvinyl chloride, styrene stabilizer.Na mgbakwunye, ọ bụkwa akụrụngwa nke ọgwụ na-egbochi ụmụ ahụhụ, pesticide na acaricide, ihe na-esi ísì ụtọ na ihe nchebe osisi.A pụkwara iji ya mee ihe dị ka softener, ihe mgbaze, ihe mgbakwunye nke e ji esiji ákwà na agba, antioxidant nke mmanụ lubricating, mmanụ demulsifier na mgbakwunye nke mmanụ ụgbọala.

Ngwa ndị ọzọ:
(1) Maka resin phenolic soluble mmanụ, ngwaahịa na formaldehyde condensation nwere ike nweta maka ebumnuche dị iche iche.Na nrapado chloroprene gwakọtara 10-15% nke ngwaahịa ahụ, iji nweta resin soluble, ụdị nrapado a na-ejikarị eme njem, ihe owuwu, obodo, akpụkpọ ụkwụ, wdg na ibipụta ink, enwere ike iji ya mee mgbanwe mgbanwe rosin, nkwụsị. mbipụta, foto dị elu na ihe ndị ọzọ.Na mkpuchi mkpuchi, enwere ike iji ya na mkpuchi mkpuchi mkpuchi na laminate varnish.
(2) Maka mmepụta polycarbonate, dị ka phosgene polycarbonate mmeghachi omume nchupu, na-agbakwụnye ego nke 1-3% nke resin.
(3) Ejiri ya mee ihe maka resin epoxy, xylene resin modification;Dị ka polyvinyl chloride stabilizer, surfactant, UV absorber.
(4) Site na akụrụngwa antioxidant, enwere ike iji ya dị ka roba, ncha, hydrocarbons chlorinated na nitrocelluloose stabilizer.Ọ bụkwa ihe eji eme ihe na-egbochi ụmụ ahụhụ (ọgwụ), acaricide acaride (pesticide) na onye na-echebe osisi, ísì ụtọ, resin sịntetik, a pụkwara iji ya mee ihe dị nro, ihe mgbaze, agba na agba.A pụkwara iji ya mee ihe dị ka ihe na-emepụta ihe na-emepụta ihe maka mmanụ mmanụ na ihe mgbakwunye maka mmanụ ụgbọala.