Ọrụ nke hydroxypyl starch Ether (HPS) na ngwa agha

Starch eatha bụ okwu maka klaasị nke na-ejikọ ọnụ na-acha uhie uhie, nke a makwaara na ọgwụ, nke a na-ejikarị ya na ọgwụ, nke mmiri, ụbọchị kemịkalụ, ụbọchị oyi. Taa, anyị na-akọwa ọrụ stachi na ngwa agha.

Okwu Mmalite nke Starch Ether

Ndị a na-ahụkarị ma na-ejikarịkarị stachi, tapiooca starch, star starchi, starchi stachi dị ka nduku na tapiooca dị ọcha.

Starch bụ polsacchari macromolecular onyinye mejupụtara glucose. Enwere ụdị Molecules abụọ, linear ma sọks, na-akpọ amylose (ihe dị ka 20%) na amyyypectin (ihe dị ka 80%). Iji meziwanye ihe Njirimara nke stachi, enwere ike iji usoro nke anụ ahụ, enwere ike iji usoro usoro iji gbanwee ya iji mee ka ihe ya dabara adaba maka ebumnuche dị iche iche.

Etherified Starch gụnyere ụdị ngwaahịa dị iche iche. Dị ka carroxythylylylylylylylyl starch ether ether (HPDROPPPRYTy starch ether ether (hydyyl starch ether, wdg.

Ọrụ nke hydroxypyl starch na ngwa agha

1) thicken nke ngwa agha ahụ, na-abawanye mgbochi, mgbochi na-egbochi ihe ndị na-egbu egbu

Dịka ọmụmaatụ, na-ewu ihe nrapado, Puby, na ngwa agha plasta, nke a na-eme ka ọ dị oke mmiri, ọ ga-akpata oke mmiri, starchi ether nwere ike mejupụta ụkọ a).
List na-emegide ya na sag na-emegiderịta onwe ya, ma na-abawanye mmiri ga-eduga na nguzogide sig. Igwe ngwa agha na Njirimara nke Rheolouloual nwere ike dozie ụdị ngọnaka dị otú ahụ, nke a na-etinye n'ọrụ na mpụga, na-abawanye ike ọrụ, na-abawanye na nrụgide na-abawanye uru.
Maka usoro nke mpaghara taịl na-aba ụba, na-agbakwunye stachi ether nwere ike melite nguzogide ngọngọ nke ihe nrapado.
2) Oge mmeghe
N'ihi na tile na-addesives, ọ nwere ike mezuo ihe ndị achọrọ nke tal dị iche iche (klas e, 20min gbatịkwuru 30min iru 0.5Ma) na-agbatị oge mmeghe.

Ngwongwo elu di elu

Starch ether nwere ike ime ka elu nke gypsum dị larịị, dị mfe itinye ya, ma nwee mmetụta ịchọ mma. Ọ bara ezigbo uru maka ngwa agha plasta na mkpa dị mma nke a na-adị ka putty.
Usoro nke ime ihe nke hydroxyyl starch ether

Mgbe starch ether suflon na mmiri, a ga-ejikwa ya na sistemụ ciment. Ebe ọ bụ na Starch ether molekule nwere ihe owuwu network ma na-ekwu okwu ọjọọ, ọ ga-etinye ihe bara uru iji jikọọ ciment ahụ nwere ike imeziwanye ihe na-enweghị ike mgbochi sag ma ọ bụ mmetụta mgbochi.
Ihe dị iche n'etiti hydroxyl starch ether na cellulose ether

1. Starch ether nwere ike ime ka ihe mgbochi sag na mgbochi

Cellulose Evet na-abụkarị ka ọ dịkwuo mma na njigide mmiri mana enweghị ike ịma mma mgbochi na akụrụngwa mgbochi.

2. Ndị na-eto eto na viscosity

N'ozuzu, viscosity nke sel dị ihe dị ka iri puku kwuru iri puku, ma nke a apụtaghị na ndị na-eme mkpọtụ na-adịghị mma ka nke mkpụrụ osisi nke abụọ dị iche.

3. Ọrụ mgbochi

E jiri ya tụnyere ụdọ sel, starch nwere ike ịbawanye uru mkpụrụ osisi mbụ nke taịl na-aghọrọ, si otú a na-eme ka ihe ha na-egbochi.

4. A na-etinye ikuku

Mkpụrụ osisi eathal nwere nnukwu ihe ikuku na-abanye, ebe stachi na-enweghị ihe na-abanye na-abanye ikuku.

5. Ihe molecular of Countose Ether

Ọ bụ ezie na ma stachi na cellulose bụ mkpụrụ osisi glucose, ụzọ mejupụtara ha dị iche. Nhazi nke glucose nile nke glucose na stachi bu otu cellulose dị iche, yana nghazi nke ọ bụla glucose molekule na-abụghị. Ọdịiche a owuwu a na-ekpebikwa ihe dị iche na akụrụngwa nke cellulose na stachi.