Basa rehydroxypropyl starch ether mudhaka

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Nhanganyaya kune Starch Ether

Iyo inonyanya kushandiswa uye inowanzo shandiswa starch yembatatisi, tapioca starch, corn starch, wheat starch, uye cereal starch ine yakakwira mafuta uye mapuroteni. Midzi yembesa sitachi yakadai sembatatisi uye tapioca starch yakanyanya kuchena.

Starch i polysaccharide macromolecular compound inoumbwa neglucose. Kune marudzi maviri emamorekuru, linear uye branched, anonzi amylose (content 20%) uye amylopectin (zviri mukati 80%). Kuti uvandudze kushandiswa kwezvinhu zve starch muzvigadzirwa zvekuvaka, zvinogona kuchinjwa nemaitiro emuviri uye kemikari nzira kuita kuti zvivakwa zvaro zvinyatsoenderana nezvinodiwa zvezvivakwa zvekuvaka nekuda kwezvinangwa zvakasiyana. Hydroxypropyl starch ether

Basa re starch ether mudhaka

Nekuda kwemaitiro azvino ekuwedzera mataira nzvimbo, kuwedzera starch ether kunogona kuvandudza kutsvedza kupikisa kwekunamatira mataira.

maawa ekuvhura akawedzerwa

Kune mataira anonamira, anogona kusangana nezvinodiwa zveakakosha mataira adhesives (Kirasi E, 20min yakawedzera kusvika 30min kusvika 0.5MPa) iyo inowedzera nguva yekuvhura.

Kuvandudzwa kwenzvimbo

Starch ether inogona kuita pamusoro pegypsum base uye simende dhaka kutsvedzerera, nyore kuisa, uye ine yakanaka yekushongedza maitiro. Izvo zvine zvazvinoreva kupurasita dhaka uye nhete yekushongedza dhaka senge putty.

Nzira yekuita kwe starch ether

Kana starch ether inonyunguduka mumvura, inoparadzirwa zvakaenzana musimende mortar system. Sezvo starch ether molecule ine network network uye inopomerwa zvisina kunaka, inotora zvakanaka chaja simende zvimedu uye inoshanda senge bhiriji rekuchinja kuti ribatanidze simende, nokudaro kupa Iyo yakakura goho kukosha kwe slurry inogona kuvandudza anti-sag kana anti- slip effect.

Musiyano uripo pakati pe starch ether ne cellulose ether

(1) Starch ether inogona kunyatso kuvandudza iyo anti-sag uye anti-slip performance yedhaka, nepo cellulose ether kazhinji inogona kungovandudza viscosity uye kuchengetwa kwemvura kwehurongwa asi haigone kuvandudza anti-sag uye anti-slip performance.

(2) kukora uye viscosity

Kazhinji, viscosity ye cellulose ether inenge makumi ezviuru, nepo viscosity ye starch ether inosvika mazana akawanda kusvika kuzviuru zvakati wandei, asi izvi hazvirevi kuti kukora kwepfuma ye starch ether kudhaka haina kunaka seye cellulose ether, uye nzira yekukora yezviviri izvi zvakasiyana.

(3) Kuenzaniswa ne cellulose, starch ether inogona kuwedzera zvakanyanya kukosha kwekutanga kwegoho rekunamatira tile, nekudaro inovandudza anti-slip performance.

(4) Kupinza mweya

Cellulose ether ine mhepo yakasimba-inopinza midziyo, nepo starch ether isina mhepo-inopinza midziyo.

(5) Cellulose ether molecular structure

Kunyangwe ese ari maviri starch uye cellulose akaumbwa neglucose mamorekuru, maitiro avo ekugadzira akasiyana. Ese mamorekuru eglucose mu starch akarongwa munzira imwe chete, nepo cellulose ingori kupesana. Yese yakatarisana Iyo yekumisikidzwa kwemamorekuru eglucose inopesana, uye iyi misiyano yemaitiro inosarudzawo mutsauko wezvinhu zve cellulose uye starch.

Mhedziso: Kana cellulose ether uye starch ether zvichishandiswa pamwe chete, yakanaka synergistic mhedzisiro inogona kuitika. Ongororo dzakaratidza kuti kushandisa starch ether kutsiva 20% -30% ye cellulose ether mudhaka haigone kuderedza simba rekuchengetedza mvura yedhaka system, uye inogona kunyatso vandudza anti-sag uye anti-slip kugona.