Kedu ihe nke cellulose na mpaghara dị iche iche?

Cellugul etherbụ nke na-abụghị nke na-abụghị nke symetic dị elu, nke bụ mmiri - soluble ma soluble. O nwere mmetụta dị iche iche na ụlọ ọrụ dị iche iche. Dịka ọmụmaatụ, na ihe ụlọ ime ụlọ, ọ nwere mmetụta mejupụtara:

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Iwepu mmiri na-ejide onwe ya, ②Henener, ③leveling ihe, ④fiilm na-akpụ ihe,

⑤Binder

Na ụlọ ọrụ polyvinyl chloride, ọ bụ ihe emumpkier na ndị na-agbasapụ; N'ime ụlọ ọrụ ọgwụ, ọ bụ ihe mgbochi na ngwa ngwa na-achịkwa ya, wdg. Ọzọ, m ga-elekwasị anya na iji ya ma rụọ ọrụ nke sellulose Ether dị iche iche.

In ngwụcha agba

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Na ụlọ ọrụ na-ese ihe, ịhọrọ hydroxyethythythythythythythythythythyth bụ 30000-500-50000cps, nke kwekọrọ na HBR250, yana akwụkwọ ntụaka a na-enwekarị 1.5 ‰ -2. Ọrụ bụ isi nke hydroxyethyl na agba mbu bụ ime ka this, na-egbochi mgbaze nke ụcha ahụ, na-enyere aka na nza nke ihe owuwu nke owuwu : Hydroxyethyth cellulose dị mma iji. Enwere ike ịgbasa ya na mmiri oyi ma ọ bụ mmiri ọkụ, ma uru nke PH na-emetụtaghị ya. Enwere ike iji ya n'enweghị nsogbu ọ bụla n'etiti PI (12. Ofzọ eji ha bụ:

1. Tinye ozugbo na mmepụta

Usoro a, hydroxyethy cellulose na-egbu oge ga-ahọrọ, na hydroxyethythythyth cellulose site na oge nkeji 30. Usoro a dị ka ndị a: ① tinye ego nke mmiri dị ọcha na akpa agịga na-acha odo odo na-agbakwunye otu na-agbakwunye otu na-agbakwunye otu ihe ngwọta na-agbakwunye ruo mgbe All na-etinye ihe ndị ọzọ na-etinye na ihe mgbakwunye ndị ọzọ, wdg.

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2. Nanị ihe mmanya na-egbu egbu maka emechaa

Usoro a nwere ike ịhọrọ ụdị ngwa ngwa, ma nwee mmetụta mildew mmetụta cellulose. Uru nke usoro a bu na o nwere mgbanwe ka ukwuu ma enwere ike itinye ya na agba mbu. Thezọ nkwadebe ahụ bụ otu ihe ahụ dị ka usoro ①-④.

3. Mee ya ka ọ bụrụ nke ọma

Ebe ọ bụ na solocuric bụ ihe na-adịghị mma sọọsọ (insoluble) maka hydroxyethyl, enwere ike iji solvents a na-eme ka ọ bụrụ kọlụm. Ihe soncic nke a na-ejikarị bụ mmiri mmiri na-acha uhie uhie na usoro ịgba mkpụrụ, dị ka ethylene glycol, na ndị na-eme ihe nkiri glycol glycoll acetate). Enwere ike itinye hydridge na cellulose nwere ike ịgbakwunye na agba ahụ. Nọgide na-akpali ruo mgbe etisasịwo kpamkpam.

In Putty

Ka ọ dị ugbu a, n'ọtụtụ obodo dị n'obodo m, ndị na-eguzogide mmiri na-eguzogide mmiri na nke na-eguzogidesi ike na-eguzogide ọnọdụ ya. Emepụtara ya site na mmeghachi omume ọgwụ vinyl mmanya na formaldehyde. Ya mere, ndị mmadụ na-ekpochapụ ihe ndị a, ndị na-ahụ maka igwe ihe na-egbu egbu na-eji dochie ihe a. Nke ahụ bụ ikwu, n'ihi na mmepe nke ihe gburugburu gburugburu ebe obibi, cellulose bụ naanị ihe.

N'ime mmiri na-eguzogide mmiri, a na-ekewa ya ụdị abụọ: ntụ ntụ putty na Puty Tapa na paste. N'ime ụdị puetty abụọ a, methyl cellulose na hydroxylthylthylthyl kwesịrị ahọpụtara. Nkọwapụta viscosity bụ ihe dị n'etiti 40000-75000cps. Isi ọrụ nke cellose bụ njigide mmiri, njikọta na lubrication.

Ebe ọ bụ na usoro nke ndị na-emepụta ihe dị iche iche dị iche, ụfọdụ bụ ntụ ntụ, ciment ciment, wdg, ya mere nkọwapụta, viscosis na ego infortration ahọrọ Site na usoro abụọ ahụ dịkwa iche. Ọnụ ego ahụ gbakwunye bụ ihe dịka 2 ‰ -3 ‰.


Oge Post: APR-28-2024