Putty poda inonyanya kuumbwa nefirimu-kuumba zvinhu (bonding zvinhu), fillers, mvura-inobata vamiririri, thickeners, defoamers, etc. Common organic kemikari raw materials mu putty poda kunyanya zvinosanganisira: cellulose, pregelatinized starch, starch ether, polyvinyl doro, dispersible latex upfu, etc. Pazasi, Polycat achaongorora siyana makemikari kuita iwe siyana siyana.
Fiber:
Fiber (US: Fiber; Chirungu: Fiber) zvinoreva chinhu chinoumbwa nesimbi dzinoramba dziripo kana dzisingaperi. Zvakadai sechirimwa fiber, vhudzi remhuka, sirika fiber, synthetic fiber, nezvimwe.
Cellulose:
Cellulose ndeye macromolecular polysaccharide inoumbwa neglucose uye ndiyo inonyanya kuumbwa chikamu chechirimwa masero madziro. Patembiricha yemumba, cellulose hainyungudike mumvura kana muzvinonyungudutsa zvinosanganisirwa. Iyo cellulose yemukati yekotoni iri padyo ne100%, ichiita iyo yakasarudzika yakasarudzika sosi ye cellulose. Kazhinji huni, cellulose inotora 40-50%, uye kune 10-30% hemicellulose uye 20-30% lignin.
Musiyano pakati pe cellulose (kurudyi) uye starch (kuruboshwe):
Kazhinji kutaura, zvese starch uye cellulose macromolecular polysaccharides, uye iyo molecular formula inogona kuratidzwa se (C6H10O5) n. Huremu hwemamorekuru hweselulosi hwakakura kupfuura hwesitachi, uye cellulose inogona kuodzwa kuti ibudise sitachi. Cellulose iD-glucose uye β-1,4 glycoside Macromolecular polysaccharides inoumbwa nemabhondi, nepo starch inoumbwa ne-α-1,4 glycosidic bonds. Cellulose kazhinji haina branched, asi starch ine branched ne 1,6 glycosidic bonds. Cellulose haina kunyungudika mumvura, ukuwo starch ichinyungudika mumvura inopisa. Cellulose haina hanya neamylase uye haishanduki bhuruu kana yaiswa iodine.
Cellulose Ether:
Zita rechirungu recellulose etheris cellulose ether, inova musanganiswa wepolymer ine ether chimiro chakagadzirwa ne cellulose. Icho chigadzirwa chemakemikari anoita ye cellulose (chirimwa) ine etherification agent. Zvinoenderana nekemikari chimiro chechikamu cheiyo inotsiva mushure meiyo etherification, inogona kupatsanurwa kuita anionic, cationic uye nonionic ethers. Zvichienderana ne etherification agent inoshandiswa, kune methyl cellulose, hydroxyethyl methyl cellulose, carboxymethyl cellulose, ethyl cellulose, benzyl cellulose, hydroxyethyl cellulose, hydroxypropyl methyl cellulose, cyanoethyl cellulose, benzyl cyanoethyl cellulose, carboxy cellulose, carboxy cellulose, carboxy cellulose. Muindasitiri yekuvaka, cellulose ether inodaidzwa zvakare kuti cellulose, iro zita risingaite, uye inonzi cellulose (kana ether) nemazvo.
Kuomesa Mechanism yeCellulose Ether Thickener:
Cellulose ether thickeners haisi-ionic thickeners iyo inokora zvakanyanya kuburikidza ne hydration uye kupindira pakati pemamorekuru.
Iyo polymer cheni ye cellulose ether iri nyore kugadzira hydrogen bond nemvura mumvura, uye iyo hydrogen bond inoita kuti ive nepamusoro hydration uye inter-molecular entanglement.
Apo iyocellulose etherthickener inowedzerwa kune latex pendi, inotora mvura yakawanda, ichiita kuti vhoriyamu yayo iwedzere zvakanyanya, kuderedza nzvimbo yemahara ye pigments, fillers uye latex particles;
Panguva imwecheteyo, cellulose ether molecular chain inopindirana kuti iite matatu-dimensional network structure, uye pigments, fillers uye latex particles zvakakomberedzwa pakati pe mesh uye haigoni kuyerera zvakasununguka.
Pasi pezviviri izvi, viscosity yehurongwa inovandudzwa! Tawana iko kukora kwataida!
Nguva yekutumira: Kubvumbi-28-2024