TGIC nnọchi kemịkalụ na mkpuchi ntụ ntụ-Hydroxyalkylamide (HAA)

Hydroxyalkylamide (HAA) TGIC chemistries nnọchi

Dị ka ọdịnihu nke TGIC ejighị n'aka, ndị na-emepụta ihe na-achọ onye ga-anọchi ya. HAA curatives dị ka Primid XL-552, nke Rohm na Haas mebere na akara azụmaahịa, ewebatala. Ihe ndọghachi azụ dị na ndị na-agba ume dị otú ahụ bụ na, ebe ọ bụ na usoro ọgwụgwọ ha bụ mmeghachi omume nke condensation, ihe nkiri na-ewuli elu karịa 2 ruo 2.5 mils (50 ruo 63 microns) nwere ike igosipụta ikuku gas, pinholing na adịghị mma na-asọpụta. Nke a bụ eziokwu karịsịa mgbe a na-eji usoro ọgwụgwọ ndị a na-eji polyester carboxy emebere maka njikọta TGIC.
Ọgbọ ọhụrụ nke polyester carboxy, nke EMS, Hoechst Celanese, na Ruco mepụtara ma ọ bụ mepụta ya, maka iji Primid XL-552 mee ihe, na-ebelata ọtụtụ nsogbu ndị a, Otú ọ dị.Data nke Hoechst Celanese guzobere n'oge na-adịbeghị anya, na-egosi na ihu igwe nke Primid. A na-emeziwanye ya site n'iji ihe na-erughị stoichiometric nke hardener. Enwere ike nweta otu nsonaazụ ahụ site n'ịgbakwunye obere ego nke isophorone diisocyanate (IPDI) egbochiri na sistemu stoichiometric Primid zuru oke, nke na-arụ ọrụ nke ọma.ralnwere ụfọdụ HAA. Ọzọkwa, data gbakọtara mgbe ekpughere ọgbọ ọhụrụ nke carboxyl polyester / HAA na usoro ọdịnala na usoro carboxyl polyester TGIC dị elu na ìhè anyanwụ Florida maka afọ 2 na-egosi na ihu igwe ndị a chemistries yiri. Nnwale Florida nke anyị mere na-egosi na sistemu Primid dị iche iche nwere agba na-egosipụta ngbanwe na-adịchaghị mma nke sistemu TGIC nke nwere agba agba na ọdịnaya njupụta.
Ụfọdụ ihe mgbakwunye ụdị surfactant nwere ike ikwe ka ihe nkiri wuo ihe ruru mils 3 (75 microns) na-egosighi mpụ gas ma ọ bụ nsogbu ndị ọzọ dị n'elu. A na-ejikọta ogige diphenoxy na benzoin na carboxy polyester HAA chemistries maka ọdịdị ihe nkiri ka mma yana ibelata odo odo.
Ụfọdụ ọgbọ ọhụrụ carboxy polyester / HAA sistemụ nwere ike ịgwọ ya nke ọma ma ọ bụ nke ọma na okpomọkụ dị ala dị ka 138C maka nkeji 20, ọ bụrụhaala na a na-eji oke zuru oke nke resin stoichiometric na hardener. Ntụ ntụ emepụtara site na usoro ndị a nwere ohere dị ka mkpuchi maka ihe ndị na-abụghị metallic.

Hydroxyalkylamide (HAA)