Putty paura te nuinga tito o matū kiriata-hanga (rauemi here), whakakī, āpiha pupuri wai, thickeners, defoamers, etc. Common organic matū raw rauemi i roto i te putty paura te nuinga ngā: cellulose, pregelatinized māngaro, māngaro ether, polyvinyl waipiro, paura taherapa marara, aha atu. Ko te mahi me te whakamahinga o nga momo matū rawa ka tātarihia takitahi i raro nei.
1: Te whakamaramatanga me te rereketanga o te muka, te cellulose me te cellulose ether
Ko te muka (US: Fiber; English: Fiber) e tohu ana ki tetahi matū i hanga mai i nga kakawaea mau tonu, korekore ranei. Pērā i te muka tipu, makawe kararehe, muka hiraka, muka waihanga, etc.
Ko te Cellulose he polysaccharide macromolecular i titoa mai i te hukahuka me te waahanga hanga matua o nga pakitara tipu tipu. I te pāmahana rūma, karekau te cellulose e rewa ki te wai, ki roto ranei i nga whakarewa pararopi noa. Ko te ihirangi cellulose o te miro he tata ki te 100%, ka waiho hei puna tino parakore o te cellulose. I te nuinga o te rakau, ko te cellulose te 40-50%, a he 10-30% hemicellulose me te 20-30% lignin. Te rerekētanga i waenga i te cellulose (matau) me te māngaro (mauī):
Ko te tikanga, ko te mangaro me te cellulose he polysaccharides macromolecular, a ka taea te whakaatu i te tauira ngota hei (C6H10O5)n. He nui ake te taumaha ngota ngota o te cellulose i to te maaka, ka taea te pirau te cellulose ki te whakaputa maaka. Ko te Cellulose he D-glucose me te β-1,4 glycoside Macromolecular polysaccharides i tito mai i nga here, i te mea ko te maaka ka hangaia e te α-1,4 glycosidic here. Ko te Cellulose i te nuinga o te waa kaore i te manga, engari ka peka te maaka e 1,6 nga here glycosidic. Ko te Cellulose he ngoikore te wairewa i roto i te wai, ko te maaka ka memeha ki te wai wera. Ko te Cellulose he koretake ki te amylase, karekau e puru ina pa ana ki te iodine.
Ko te ingoa Ingarihi o te cellulose ether he cellulose ether, he huinga polymer me te hanganga ether i hangaia mai i te cellulose. Ko te hua o te tauhohenga matū o te cellulose (tipu) me te kaihoko whakaea. E ai ki te whakarōpūtanga hanganga matū o te whakakapinga i muri i te etherification, ka taea te wehewehe ki nga ethers anionic, cationic me te nonionic. I runga i te kaihoko etherification e whakamahia ana, he methyl cellulose, hydroxyethyl methyl cellulose, carboxymethyl cellulose, ethyl cellulose, benzyl cellulose, hydroxyethyl cellulose, hydroxypropyl methyl cellulose cellulose, cyanoethyl cellulose, benzyl cyanoethyl cellulose, benzyl cyanoethyl cellulose, carboxymethyl cellulose etc. te hanga ahumahi, ko te cellulose ether ka kiia ko te cellulose, he ingoa koretake, a ka kiia tika te cellulose (ether ranei). Ko te tikanga whakamaatototanga o te katote ether cellulose Ko te katote ether thickener he katote kore-katote, ka whakapakeke i te nuinga o te wa ma te whakamaarama me te maataki i waenga i nga ngota ngota. Ko te mekameka polymer o te cellulose ether he ngawari ki te hanga i te here hauwai ki te wai i roto i te wai, a na te here hauwai e nui ai te wai me te weriweri i waenga i nga ngota.
I te wa e taapirihia ana te peera ether cellulose ki te peita taherapa, ka mimiti te nui o te wai, ka nui ake te rahi o tana ake rōrahi, ka whakaiti i te waahi koreutu mo nga poaka, whakakii me nga matūriki taherapa; i te wa ano, ko nga mekameka ngota ether cellulose e hono ana ki te hanga i te hanganga whatunga ahu-toru, a ko nga whakakikorua tae me nga matūriki taherapa ka mau ki waenganui o te mata kaore e taea te rere noa. I raro i enei paanga e rua, ka pai ake te pokey o te punaha! Kua tutuki i a maatau te whakamaaramatanga!
Ko te cellulose noa (ether): Ko te tikanga, ko te cellulose i te maakete e pa ana ki te hydroxypropyl, ko te hydroxyethyl te nuinga o te whakamahi mo te peita, te peita taherapa, me te hydroxypropyl methylcellulose e whakamahia ana mo te kumete, putty me etahi atu hua. Ka whakamahia te Carboxymethyl cellulose mo te paura putty noa mo nga pakitara o roto. Ko te Carboxymethyl cellulose, e mohiotia ana ko te konutai carboxymethyl cellulose, e kiia ana ko (CMC): Ko te Carboxymethyl cellulose (CMC) he paura karekau he paitini, he hongi, he paura karekau ma, he pai te mahi, he ngawari te rewa ki te wai. He kawakore, he wai kawakore marama, he wairewa i roto i etahi atu kapia wairewa-wairewa me te kapia, karekau e rewa i roto i nga whakarewa waro penei i te waiwaro. Ka taea te whakamahi i te CMC hei here, hei whakapouri, hei kaiwhakarewa, hei whakaemulsifier, hei whakamararatanga, hei whakapumau, hei whakarite rahi, me etahi atu. Ko te Carboxymethyl cellulose (CMC) te hua me te whakaputanga nui rawa atu, te whanuitanga o nga whakamahinga, me te tino watea ki te whakamahi i waenga i nga etera cellulose. , e mohiotia ana ko "monosodium glutamate ahumahi". Ko nga mahi a Carboxymethyl cellulose ki te here, ki te whakapakeke, ki te whakapakari, ki te whakaemulsifying, ki te pupuri i te wai me te aukati. 1. Te tono o te konutai carboxymethyl cellulose i roto i te ahumahi kai: ko te konutai carboxymethyl cellulose ehara i te mea he pai te whakaehunga me te whakakaha i roto i nga tono kai, engari he pai rawa atu te tio me te rewa, ka taea te whakapai ake Ko te reka o te hua ka roa te wa rokiroki. 2. Ko te whakamahinga o te konutai carboxymethyl cellulose i roto i te ahumahi rongoa: ka taea te whakamahi hei whakapumau emulsion mo nga werohanga, he here me te kaihoko kiriata mo nga papa i roto i te ahumahi rongoa. 3. Ka taea te whakamahi i te CMC hei kaikawe anti-settling, emulsifier, dispersant, leveling agent, and adhesive for coatings. Ka taea e ia te tohatoha i nga ihirangi totoka o te paninga i roto i te whakarewa, kia kore ai e roa te whakakikorua i te paninga. Kei te whakamahia whānuitia i roto i te peita. 4. Ka taea te whakamahi i te konutai carboxymethyl cellulose hei flocculant, chelating agent, emulsifier, thickener, wai pupuri wai, kaihoko rahi, kiriata-hanga rauemi, me ētahi atu Kei te whakamahia whānuitia i roto i te hikohiko, pesticides, hiako, kirihou, tā, keramika, Ahumahi matū mo ia ra me etahi atu mara, na te mea he pai te mahi me te whānuitanga o nga whakamahinga, kei te whakawhanake tonu i nga waahanga tono hou, me te tumanako o te maakete. he tino whanui. Tauira tono: pakitara o waho putty paura tātai roto pakitara putty paura tātai 1 Shuangfei paura: 600-650kg 1 Shuangfei paura: 1000kg 2 White ciment: 400-350kg 2 Pregelatinized māngaro: 5-6kg 3 Pregelatinized māngaro: 5 -6kg 3 CMC -15kg, HPMC2.5-3kg4 ranei CMC: 10-15kg ranei HPMC2.5-3kg Putty paura tāpiri carboxymethyl cellulose CMC, pregelatinized māngaro mahi māngaro: ① He pai nohopuku Thickening kaha; te mahi hononga, me etahi pupuri wai; ② Whakapai ake i te kaha anti-sliding (sagging) o te rauemi, te whakapai ake i te mahi whakahaere o te rauemi, me te mahi maeneene; whakaroa i te wa whakatuwhera o te rauemi. ③ I muri i te whakamaroketanga, he maeneene te mata, kaore e taka i te paura, he pai nga ahuatanga hanga kiriata, kaore he rakuraku. ④ Ko te mea nui, he iti te inenga, a ka taea e te inenga iti rawa te whai hua nui; i te wa ano, ka whakahekehia te utu whakaputa mo te 10-20%. I roto i te ahumahi hanga, ka whakamahia te CMC ki te hanga i nga raima raima, ka taea te whakaiti i te mate o te wai me te mahi hei aukati. Ahakoa mo te hanga nui, ka taea hoki te whakapai ake i te kaha o te raima me te whakahaere i nga preforms ki te taka atu i te membrane. Ko tetahi atu kaupapa matua ko te tarai i te pakitara me te paura putty, te whakapiri putty, ka taea te whakaora i te maha o nga rawa hanga whare me te whakarei ake i te paparanga whakamarumaru me te kanapa o te pakitara. Hydroxyethyl methylcellulose, e kiia ana ko (HEC): tātai matū:
1. He kupu whakataki ki te hydroxyethyl cellulose: Ko te Hydroxyethyl cellulose (HEC) he etera cellulose kore-katote i hangaia mai i te cellulose rauemi polymer taiao i roto i te raupapa o nga tukanga matū. He paura ma, he kawakore, he kore-paitini, he kirikiri ranei, ka taea te rewa i roto i te wai matao ki te hanga i te wairewa maamaa marama, a kaore te rewa e pa ki te uara pH. He matotoru, he here, he marara, he whakaemulsifying, he hanga kiriata, he whakatarewa, he whakauru, he kaha te mata, he makuku-te pupuri me te tote.
2. Tohu Hangarau Paerewa kaupapa Te ahua Ma, kowhai ranei te paura Whakakapinga Molar (MS) 1.8-2.8 Te wai karekau (%) ≤ 0.5 Nga ngaro i te whakamaroke (WT%) ≤ 5.0 Te toenga i runga i te mura (WT%) ≤ 5.0 PH uara 6.0- 8.5 Viscosity (mPa.s) 2%, 30000, 60000, 100000 wairewa wai i te 20°C Tuatoru, nga painga o te hydroxyethyl cellulose Te kaha o te matotoru
● Ko te Hydroxyethyl cellulose e whakarato ana i nga taonga whakakikorua pai mo nga paninga taherapa, ina koa nga paninga PVA teitei. Karekau he pupuhi ka puta ina he hanga matotoru te peita.
● Ko te Hydroxyethyl cellulose he kaha ake te matotoru. Ka taea e ia te whakaheke i te inenga, te whakapai ake i te ohanga o te tauira, me te whakapai ake i te aukati o te kirikiri o te paninga.
He pai nga ahuatanga rheological
● Ko te wairewa wai o te hydroxyethyl cellulose he punaha kore-Newtonian, a ko te taonga o tana otinga ka kiia ko te thixotropy.
● I roto i te ahua pateko, i muri i te tino memeha te hua, te pūnaha paninga mau tonu te thickening pai me te whakatuwhera āhua.
● I roto i te ahua o te ringihanga, ka mau tonu te ahua o te punaha, kia pai te rere o te hua me te kore e pakaru.
● Ina tonohia e te paraihe me te roera, ka ngawari te hora o te hua ki runga i te tïpako. He watea mo te hanga. I te wa ano, he pai te aukati pakaru.
● Ka mutu, i muri i te otinga o te paninga, ka ora tonu te pokey o te punaha, ka totohu tonu te paninga.
Te Marara me te Whakarewa
● Ko te Hydroxyethyl cellulose ka tukuna ki te whakaroa i te whakaroa, ka taea te aukati i te agglomeration ina taapirihia te paura maroke. I muri i te whakarite he pai te marara o te paura HEC, timata te wai.
● Hydroxyethyl cellulose ki te maimoatanga mata tika e taea te whakatika i te tere memeha me te tere piki pokey o te hua.
pūmautanga rokiroki
● Hydroxyethyl cellulose he pai nga taonga anti-koriri me te whakarato i te wa roa mo te rokiroki peita. He pai ki te aukati i nga poaka me nga whakakī kia kore e tau. 4. Me pehea te whakamahi: (1) Taapiri tika i te wa whakaputa Ko tenei tikanga te mea ngawari me te wa poto rawa atu. Ko nga hikoinga e whai ake nei: 1. Tāpirihia he wai parakore ki roto i te peere nui e mau ana ki te kutikuti kutikuti teitei. 2. Me timata ki te whakaoho i te tere iti, ka ata tatari i te hydroxyethyl cellulose ki roto i te otinga. 3. Whakakorikori tonu kia ruku nga matūriki katoa. 4. Katahi ka taapirihia te kaihoko antifungal me nga momo taapiri. Pērā i te poaka, te awhina whakamarara, te wai haukini, me etahi atu. 5. Oho kia rewa katoa te hydroxyethyl cellulose (ka tino piki te pokey o te otinga) i mua i te taapiri i etahi atu waahanga ki te tauira mo te tauhohenga. (2) Whakapaia te waipiro whaea mo te whakamahi: Ko tenei tikanga ko te whakarite i te waipiro whaea me te kukū teitei i te tuatahi, katahi ka taapiri atu ki te hua. Ko te painga o tenei tikanga he nui ake te ngawari, ka taea te taapiri tika ki te hua kua oti, engari me penapena tika. He rite nga hikoi ki nga kaupae (1–4) i te tikanga (1): ko te rerekee ko te kore e hiahiatia he kutikuti kutikuti teitei, ko etahi o nga kaikohikohiko he nui te kaha ki te pupuri kia marara rite te hydroxyethyl cellulose i roto i te wairewa , me whakaoho tonu kia rewa katoa. ki roto ki te wairewa viscous. Me tohu ko te kaihoko antifungal me whakauru wawe ki te waipiro whaea. V. Whakamahinga 1. Ka whakamahia i roto i te peita taherapa wai: HEC, hei colloid tiaki, ka taea te whakamahi i roto i te vinyl acetate emulsion polymerization hei whakapai ake i te pumau o te punaha polymerization i roto i te whānuitanga o nga uara pH. I roto i te hanga o nga hua kua oti, ka whakamahia nga taapiri penei i te poaka me te whakakii ki te marara rite, ki te whakapumau me te whakarato i nga paanga matotoru. Ka taea hoki te whakamahi hei dispersant mo nga polymers whakatara penei i te styrene, acrylate, me te propylene. Ka whakamahia i roto i te peita taherapa ka taea te whakapai ake i te whakamaatototanga me te mahi whakataurite. 2. Mo te keri hinu: Kei te whakamahia te HEC hei whakamaroke i roto i nga momo paru e hiahiatia ana mo te keri, te whakatikatika pai, te pai o te raima me nga mahi pakaru, kia pai ai te rere o te paru me te pumau. Whakapai ake i te kaha o te kawe paru i te wa e keri ana, me te aukati i te nui o te wai kia uru mai ki roto i te paparanga hinu mai i te paru, me te whakapumau i te kaha whakaputa o te paparanga hinu. 3. Ka whakamahia i roto i te hanga whare me nga mea hanga whare: Na te kaha o te kaha ki te pupuri i te wai, ko te HEC he kaitao me te herea mo te slurry ciment me te moata. Ka taea te whakauru ki roto i te kumete hei whakapai ake i te rere me te mahi hanga, me te whakaroa i te wa whakaetonga wai, Whakapai ake i te kaha tuatahi o te raima me te karo i nga kapiti. Ka taea e ia te whakapai ake i tana pupuri wai me te kaha honohono ina whakamahia mo te raima raima, te raima honohono, me te raima raima. 4. Ka whakamahia i roto i te toothpaste: na te kaha o te aukati ki te tote me te waikawa, ka taea e HEC te whakarite i te pumau o te toothpaste. I tua atu, ehara i te mea ngawari ki te whakamaroke te panini niho na te kaha o te pupuri wai me te kaha whakaemulsi. 5. Ina whakamahia i roto i te waituhi waituhi, ka taea e HEC te whakamaroke i te mangumangu kia tere, kia kore e uru. I tua atu, he nui te whakamahi a HEC i roto i te tuhinga kakano me te tae, te hanga pepa, nga matū o ia ra, me era atu. 6. Whakatupato mo te whakamahi HEC: a. Hygroscopicity: Ko nga momo katoa o te hydroxyethyl cellulose HEC he hygroscopic. Ko te nui o te wai kei raro iho i te 5% i te wa e wehe ana i te wheketere, engari na te rereke o te kawe me te waahi rokiroki, ka nui ake te wai i te wa e wehe atu ana i te wheketere. I te wa e whakamahia ana, me ine noa te wai me te tango i te taumaha o te wai i te wa e tatau ana. Kaua e Whakaatuhia ki te hau. b. He pahū te paura puehu: mena kei te rangi nga paura pararopi katoa me te paura puehu hydroxyethyl cellulose ki te hau i tetahi ohanga, ka pahū ano ina tutaki ki te waahi ahi. Me mahi tika kia kore e taea te paura puehu i te hau. 7. Whakatakotoranga mōkihi: He mea hanga te hua ki te peeke hiato pepa-kirihou kua whakakikoruatia ki te putea polyethylene o roto, me te taumaha kupenga o te 25 kg. Rokiroki ki te waahi hau me te maroke i roto i te whare i te wa e penapena ana, me te aro ki te makuku. Kia tupato ki te ua me te whakamarumaru o te ra i te wa e kawe ana. Ko te Hydroxypropyl methyl cellulose, e kiia ana ko (HPMC): hydroxypropyl methyl cellulose (HPMC) he paura ma, he hongi, he kore-paitini, e rua nga momo o te inamata me te kore tere, inamata, Ka tutaki ki te wai makariri, ka tere. ka marara, ka ngaro ki te wai. I tenei wa, karekau he viscosity o te wai. I muri tata ki te 2 meneti, ka piki ake te viscosity o te wai, ka hanga he colloid viscous marama. Momo kore-tere: Ka taea anake te whakamahi i nga hua paura maroke penei i te paura putty me te kumete ciment. Kaore e taea te whakamahi ki te kapia wai me te peita, ka kopiri.
Wā tuku: Tihema-26-2022