Isithambisi se-silicone se-Organic saqala ngo-1950. Kwaye uphuhliso lwayo ludlule kwizigaba ezine.
1.Isizukulwana sokuqala se-silicone softener
Ngo-1940, abantu baqala ukusebenzisa i-dimethyldichlorosilance ukumithailaphukwaye yafumana uhlobo oluthile lokuthintela amanzi. Kwi-1945, u-Elliott we-American General Electric Company (GE) wafaka iifayibha kwisisombululo se-alkaline samanzi kunye ne-sodium methyl silanol. Emva kokufudumeza, ifayibha yayinempembelelo entle yokungangeni manzi.
Kwiminyaka yokuqala ye-50s, i-American Dow Corning Company yafumanisa ukuba amalaphu aphathwe yi-polysiloxane nge-Si-H ayenesiphumo esihle sokungena kwamanzi kunye nokungena komoya okukhulu. Kodwa imvakalelo yesandla yayingalunganga kwaye ifilimu ye-silicone yayinzima, ibhityile kwaye kulula ukuwa. Emva koko isetyenziswe kunye ne-polydimethylsiloxane (PDMS). Apho akufumananga kuphela isiphumo esihle sokungangeni manzi kodwa kunye nemvakalelo ethambileyo yesandla. Emva koko, nangona iimveliso ze-silicone kwihlabathi lonke zaphuhliswa ngokukhawuleza kwaye zagubungela iindidi ezininzi, ngokusisiseko zazizezomxube womatshini we-dimethyl.ioli ye-silicone, ezaziwa ngokudibeneyo njengemveliso yeoli ye-silicone. Babesisizukulwana sokuqala se-textile silicone softener.
Isizukulwana sokuqala se-silicone softeners ngqo emulsified ioli ye-silicone nge-emulsification mechanical. Kodwa ngenxa yokuba ioli ye-silicone ngokwayo ayinalo iqela elisebenzayo, elingenako ukubopha kakuhle kwindwangu kwaye ayinakuhlambeka. Ngoko ayiyi kuphumeza umphumo ofanelekileyo xa isetyenziswe yodwa.
2.Isizukulwana sesibini se-silicone softener
Ukuze unqobe iintsilelo zesizukulwana sokuqala se-silicone softener, abaphandi baye bafumana isizukulwana sesibini se-silicone emulsion kunye ne-hydroxyl caps. I-softener ikakhulu yayiquka i-hydroxyl silicone emulsion yeoli kunye ne-hydrogen silicone emulsion yeoli, enokuthi yenze i-network crosslinking structure kumphezulu welaphu phambi kwe-catalyst yetsimbi, inika amalaphu ukuthamba okukhulu, ukuqina kunye nokuzinza.
Kodwa ngenxa yokuba inomsebenzi omnye kwaye i-oyile yachithwa ngokulula kwaye yadadayo, yatshintshwa sisizukulwana sesithathu se-silicone softener ngaphambi kokuba isetyenziswe ngokubanzi.
3.Isizukulwana sesithathu se-silicone softener
Isizukulwana sesithathu seisithambisi siliconeiphuhlise eyona ikhawulezayo phakathi kwayo evela kwiminyaka yakutshanje. Yazisa amanye amacandelo okanye amaqela asebenzayo kwimixokelelwane ephambili okanye yecala le-polysiloxane, njengeqela le-polyether, iqela le-epoxy, iqela le-alcohol hydroxyl, iqela le-amino, iqela le-carboxyl, iqela le-ester, iqela le-sulfhydryl, njl. yonke imiba yamalaphu. Kwakhona ukuthembela kumaqela, kunokunika amalaphu isitayela esahlukileyo.
Kodwa ngokubanzi isizukulwana sesithathu sesithambisi se-silicone kufuneka sidityaniswe ne-polysiloxane ye-monofunctional ukufezekisa isiphumo esifunekayo sonyango. Kunzima ukulawula izinga lokudibanisa, elichaphazela kakhulu imveliso kunye nokusetyenziswa.
4.Isizukulwana sesine se-silicone softener
Isizukulwana sesine sesithambisi se-silicone siphinde salungiswa isizukulwana sesithathu se-silicone softener ngokwesiphumo esifunekayo sokugqiba ilaphu. Oko kwazisa amaqela asebenzayo ngakumbi, anokwanelisa zonke iimfuno zokusetyenzwa kwelaphu ngaphandle kokudibanisa.
Amalaphu aphathwa ngesithambisi se-silicone esilungisiweyo kunye neentlobo ezahlukeneyo zamaqela asebenzayo anokuphuculwa okukhulu ekuthambeni, ukuhlambeka, ukunwebeka kunye ne-hydrophilicity, njl. ekhoyo.
Ixesha lokuposa: Jul-25-2022