Ngwa nke mmepụta cellulose MC na HPMC

Isiokwu a na-ahọrọkarị MMA, BA, AA dị ka monomers, ma na-atụle ihe ndị na-emepụta polymerization aka na ha, dị ka usoro mgbakwunye, ego mgbakwunye na mmeghachi omume okpomọkụ nke onye mbido na onye ọ bụla monomer, wee chọpụta ọnọdụ usoro usoro polymerization kachasị mma. A na-ebu ụzọ mee rọba ahụ masticated, wee kpalie ya ma gbazee ya na ihe mgbaze gwakọtara na 70 ~ 80 Celsius, mgbe ahụ, a na-agbakwunye onye mbido BPO na batches. Nke mbụ monomer MMA etisasịwo na BOP na-agbakwunyere na 80 ~ 90 Celsius C maka nkeji 20, wee tinye ya na nke abụọ monomer nke BPO, mgbe ọzọ 20 nkeji, tinye nke atọ monomer na 84 ~ 88 ℃ na nwuo maka 45 nkeji. na-ekpo ọkụ maka 1.5 ~ 2 awa, wee nweta CR / MMA-BA-AA atọ aka aka polymerization nrapado, Peel ike dị ukwuu karịa CR/MMA-BA, uru ya bụ 6.6 KN.m-1.

Isi okwu: Neoprene nrapado, akpụkpọ ụkwụ gluu, Multi-component anyadokwa neoprene adhesive.

Cellulose etherMCnaHPMCnwere ezigbo dispersion arụmọrụ, emulsification, ndim, adhesion, film guzobe, mmiri njigide, na nwekwara magburu onwe mmiri solubility, elu ọrụ, kwụsie ike, na mgbasa na organic solvents.

Ndị isi ngwaahịa ugbu a mepụtara bụ RT usoro MC na HPMC iche, onye akara ule bụ 50RT (Methylcellulose), 60RT (Hydroxypropylmethylcellulose), 65RT (Hydroxypropylmethylcellulose), 75RT (Hydroxypropylmethylcellulose), kwekọrọ ekwekọ na ụlọ ọrụ akara ule nke DOW. F na K, n'otu n'otu.

Ngwaahịa usoro RT bụ ihe mgbakwunye bara uru nke ukwuu na ihe ụlọ n'ihi ịdị n'otu ha, nkwụsi ike nkwusioru na njide mmiri. Dịka ọmụmaatụ, enwere ike ịmepụta ha ka ọ bụrụ "mgbidi seramiiki na akwa tile n'ala", nke a na-akpọkarị ntụ ntụ rọba, nke ejirila na ọdụ ụgbọ okporo ígwè Beijing West, mmetụta dị mma. Na mgbakwunye, enwere ike iji ya dị ka gelled electrolyte na electrolytic capacitors na bonded electrode grids na ngwa eletriki, dị ka atropine, aminopyrine na gbasara ike kristal na pharmaceuticals, na dị ka thickener maka mmiri emulsions na agba. Na agba latex na agba mmiri na-agbaze, enwere ike iji ya dị ka onye na-emepụta ihe nkiri, onye na-emepụta ihe, emulsifier na stabilizer, wdg maka nrapanye akwụkwọ ahụaja, mmiri na-emegharị roba ntụ ntụ, wdg.

Isi okwu: Methyl Cellulose, Hydroxy Propyl Cellulose, nrapado, ngwa.

Mmepe nke mmiri na-eme ka akwụkwọ plastik aka gluu

N'ime afọ ndị na-adịbeghị anya, e mepụtara usoro ọhụrụ nke ịdekọ ihe nkiri plastik na ihe e biri ebi. Ọ bụ BOPP (ihe nkiri polypropylene na-adabere na ya) na nrapado wee jikọta ya na ihe e biri ebi mgbe ejiri rọba cylinder na igwe kpo oku pịa ya ka ọ bụrụ akwụkwọ. / Plastic 3-in-1 ebipụta. Nke a na-agụnye nsogbu nke akwụkwọ na plastic bonding. BOPP bụ ihe na-abụghị nke polar, ya mere, ọ dị mkpa ka ọ bụrụ ihe ntanye nke nwere ezigbo mmachi na ma polar na ndị na-abụghị polar.

Ịgwakọta nrapado SBS na epoxy resin nwere ezigbo ndakọrịta. SBS bụ elastomer viscose. Enwere ike ịhụ ya site na ọdịda ọdịda ya na iji kwalite ike nrapado nke viscose, ekwesịrị ịchịkwa ya na gburugburu SBS: epoxy resin = 2: 1. Site n'okirikiri ike peel, enwere ike ịhụ na mgbe oke nha dị elu, ike peel ga-adị ukwuu, ma adhesion ga-abawanye. Iji zere adhesion, SBS: epoxy resin = 1: 1 ~ 2.5: 1 nwere ike ịchịkwa iji nweta ike bee ji nwayọọ na-ebili. N'ịtụle n'ụzọ zuru ezu, chọpụta SBS na isi gluu: epoxy resin = 1: 1 ~ 3.5: 1.

Isi ọrụ nke iji resin tackifying bụ ịbawanye ike njikọta nke matriks ma melite wettability nke gluu na elu njikọ. Resin tackifying ejiri mee ihe n'ọmụmụ ihe a bụ rosin tackifier nke nwere rosin nkịtị na rosin dimerized n'ogo dị iche iche. Site na ọtụtụ ule, a na-ekwubi na pasent nke rosin dimerized na tackifier bụ 22.5%, na ike peeling nke gluu nke a kwadebere dị ka nha a si dị bụ 1.59N/25mm (akwụkwọ-plastic).

Ọnụ ọgụgụ nke tackifier nwere mmetụta ụfọdụ na njirimara nrapado. Mmetụta kachasị mma bụ mgbe oke nke gluu na tackifier bụ 1: 1. Peel ike N/mm plastik-plastic 1.4, akwụkwọ-plastic 1.6.

N'ime ọmụmụ ihe a, a na-eji MMA mee ihe dị ka ihe na-edozi ahụ iji jikọta SBS na MMA. Nlele achọpụtala na iji MMA eme ihe nwere ike ọ bụghị naanị imezu ebumnuche igwakorita ihe ndị dị na colloid, kamakwa belata viscosity ma melite ike nrapado. Ya mere, MMA bụ diluent gbanwetụrụ kwesịrị ekwesị. Mgbe nnwale, ego nke MMA na-eji bụ ngụkọta ego nke gluu 5% ~ 10% kwesịrị ekwesị.

Ebe ọ bụ na viscose a na-emepụta kwesịrị ịbụ mmiri soluble, anyị na-ahọrọ latex ọcha (polyvinyl acetate emulsion) dị ka onye na-ebu mmiri. Ọnụ ego nke latex ọcha bụ 60% nke mkpokọta viscose. Mgbe viscose dabeere na mmiri na-emulsified n'ime mmiri-emulsion steeti site na mgbasa na emulsification nke emulsified ebu, ma ọ bụrụ na ya diluted agbanwe agbanwe adịghị mma maka ojiji, ọ nwere ike diluted na mmiri. Usoro dilution a bụ nke dị ọnụ ala na nke na-adịghị egbu egbu (ọ dịghị mkpa iji ihe mgbaze organic), na mmiri kachasị mma nke mmiri dilution bụ 10% ~ 20%.

Iji wepụ ihe fọdụrụ nke viscose, a nwalere na a na-eji ngwọta Na2CO3 dilute eme ihe dị ka onye na-eme ihe na-eme ka ọ bụrụ ihe na-eme ka ọ bụrụ ihe na-eme ka ọ bụrụ ihe na-eme ka ọ bụrụ ihe na-eme ka ọ dị mma. Ozizi mmetụta nke onye na-ahụ maka alkalizing nwere ike ịbụ na mmeghachi omume saponification na-ewebata ụfọdụ ion pola siri ike, dị ka ion sodium, nke mere na rosin acid mbụ nke na-adịghị ike ime ka agbanwere ghọọ nnu sodium Soluble. Tụkwasị na nke ahụ, ọ bụrụ na agbakwunyere isi ike dị ukwuu na gluu, ike na-ejikọta ya ga-efunahụ, nke mere na gluu na-ada ada, ya mere gluu adịghị mma maka gburugburu alkaline.

Usoro dabara adaba.


Oge nzipu: Eprel-25-2024