Cellulose Ether na Erateri Ether kumiterere ya Mortar yumye

Ubwinshi butandukanye bwa selile ether na etarike ether byashyizwe mubutaka bwumye buvanze, kandi ubudahwema, ubucucike bugaragara, imbaraga zo gukomeretsa n'imbaraga zo guhuza za minisiteri byakozwe mubushakashatsi. Ibisubizo byerekana ko selile ether na krahisi ether bishobora kuzamura cyane imikorere yimikorere ya minisiteri, kandi mugihe bikoreshejwe mugipimo gikwiye, imikorere yuzuye ya minisiteri izaba nziza.

Amagambo y'ingenzi: selile ether; etar; yumye-ivanze

Gari ya moshi isanzwe ifite ibibi byo kuva amaraso byoroshye, guturika, n'imbaraga nke. Ntibyoroshye kuzuza ibisabwa byujuje ubuziranenge bw’inyubako nziza, kandi biroroshye gutera urusaku n’umwanda uhumanya ibidukikije mugihe cyibikorwa. Hamwe nogutezimbere ibyo abantu bakeneye kugirango hubakwe ubuziranenge n’ibidukikije, minisiteri yumye ivanze n’imikorere myiza yakoreshejwe cyane. Ifu ivanze yumye, izwi kandi nka minisiteri ivanze yumye, nigicuruzwa cyarangije kuvangwa kimwe kivanze kimwe nibikoresho bya sima, igiteranyo cyiza, hamwe nibindi bivanze muburyo runaka. Ijyanwa ahazubakwa mumifuka cyangwa kubwinshi kugirango ivangwe namazi.

Cellulose ether na krahisi ether nibintu bibiri bisanzwe byubaka inyubako. Cellulose ether nuburyo bwibanze bwimiterere ya anhydroglucose yakuwe muri selile naturel binyuze muri etherification reaction. Nibikoresho bya polymer byamazi byoroshye kandi mubisanzwe bikora amavuta muri minisiteri. Byongeye kandi, irashobora kugabanya agaciro gahoraho ka minisiteri, kunoza imikorere ya minisiteri, kongera umuvuduko wo gufata amazi ya minisiteri, no kugabanya amahirwe yo gutoboka. Ether ni ether isimbuza ether yakozwe na reaction ya matsinda ya hydroxyl muri molekile ya krahisi hamwe nibintu bifatika. Ifite ubushobozi bwihuse cyane bwo kubyimba, kandi dosiye nkeya irashobora kugera kubisubizo byiza. Mubisanzwe bivangwa na selile muri minisiteri yubwubatsi Koresha na ether.

1. Ubushakashatsi

1.1 Ibikoresho bibisi

Isima: Ishii P.·O42.5R sima, isanzwe ikoresha amazi 26.6%.

Umusenyi: umucanga wo hagati, modulus nziza 2.7.

Ether ya selile: hydroxypropyl methylcellulose ether (HPMC), viscosity 90000MPa·s (2% igisubizo cyamazi, 20°C), yatanzwe na Shandong Yiteng Ibikoresho bishya Co, Ltd.

Etarike: hydroxypropyl krahisi ether (HPS), itangwa na Guangzhou Moke Building Materials Technology Co., Ltd.

Amazi: amazi.

1.2 Uburyo bwo kugerageza

Ukurikije uburyo buteganijwe muri "Ibipimo ngenderwaho byuburyo bwibanze bwo Kwipimisha Mortar" JGJ / T70 na "Amabwiriza ya Tekinike yo Gutera Mortar" JGJ / T220, hategurwa ingero no kumenya ibipimo ngenderwaho.

Muri iki kizamini, gukoresha amazi ya minisiteri DP-M15 bigenwa hamwe na 98mm, naho igipimo cya minisiteri ni sima: umucanga: amazi = 1: 4: 0.8. Ingano ya selile ya ether muri minisiteri ni 0-0,6%, naho dosiye ya ether ni 0-0.07%. Muguhindura dosiye ya selulose ether na krahisi ether, biragaragara ko guhindura dosiye yimvange bigira ingaruka kuri minisiteri. Ingaruka ku mikorere ijyanye. Ibiri muri selulose ether na krahisi ether ibarwa nkijanisha rya misa ya sima.

2. Ibisubizo by'ibizamini n'isesengura

2.1 Ibisubizo by'ibizamini hamwe n'isesengura ry'uruvange rumwe

Ukurikije igipimo cya gahunda yubushakashatsi yavuzwe haruguru, hakozwe ubushakashatsi, kandi habonetse ingaruka zivanze rimwe rivanze no guhuzagurika, ubucucike bugaragara, imbaraga zo gukomeretsa nimbaraga zo guhuza za minisiteri yumye ivanze.

Gusesengura ibisubizo byikizamini cyo kuvanga inshuro imwe, birashobora kugaragara ko iyo etarike ya krahisi ivanze yonyine, ubudahangarwa bwa minisiteri bugabanuka bikomeje ugereranije na minisiteri yerekana ibipimo byiyongera byubwinshi bwa ether, hamwe nubucucike bugaragara bwa minisiteri iziyongera hamwe no kwiyongera kwamafaranga. Kugabanuka, ariko burigihe buruta ibipimo ngenderwaho bya minisiteri igaragara, ubucucike bwa 3d na 28d imbaraga zo kwikomeretsa bizakomeza kugabanuka, kandi burigihe bitarenze ibipimo byerekana imbaraga zo kwikuramo imbaraga, no kubipimo byerekana imbaraga zihuza, hamwe no kongeramo etarike yiyongera, imbaraga zumubano ubanza kwiyongera hanyuma zigabanuka, kandi burigihe buruta agaciro ka bipimo bya minisiteri. Iyo selile ya selulose ivanze na selile ya selile yonyine, kuko ingano ya selile ya selile yiyongera kuva kuri 0 ikagera kuri 0,6%, ubudahangarwa bwa minisiteri buragabanuka ubudasiba ugereranije na minisiteri yerekana, ariko ntabwo iri munsi ya 90mm, itanga ubwubatsi bwiza bwa mortar, kandi ubucucike bugaragara bufite Mugihe kimwe, imbaraga zo kwikuramo za 3d na 28d ziri munsi yubwa minisiteri yerekana, kandi igabanuka ubudahwema no kwiyongera kwa dosiye, mugihe imbaraga zo guhuza zateye imbere cyane. Iyo igipimo cya selile ya ether ari 0.4%, imbaraga zo guhuza za minisiteri nini nini, hafi inshuro ebyiri ibipimo ngenderwaho bya minisiteri.

2.2 Ibisubizo by'ibizamini bivanze bivanze

Ukurikije igipimo cyo kuvanga igishushanyo mbonera cy’imvange, icyitegererezo cyavanze cya minisiteri ya minisiteri cyarateguwe kandi kirageragezwa, kandi ibisubizo byo guhuzagurika kwa minisiteri, ubucucike bugaragara, imbaraga zo gukomeretsa n'imbaraga zo guhuza byabonetse.

2.2.1 Ingaruka zivanze nuruvange kumurongo wa minisiteri

Gukomeza umurongo biboneka ukurikije ibisubizo byikizamini cyo guhuza imvange. Birashobora kugaragara uhereye kuri ibi ko mugihe ingano ya selile ya selile ari 0.2% kugeza 0,6%, naho ingano ya etarike ni 0.03% kugeza 0.07%, byombi bivangwa na minisiteri Amaherezo, mugihe bikomeza umubare umwe y'imvange, kongera ubwinshi bwibindi bivanga bizagabanya kugabanuka kumurongo wa minisiteri. Kubera ko ether ya selile na etarike yububiko irimo amatsinda ya hydroxyl hamwe na ether, atome ya hydrogène kuri aya matsinda hamwe na molekile y’amazi yubusa muri iyo mvange irashobora gukora imigozi ya hydrogène, kuburyo amazi menshi aboshye agaragara muri minisiteri kandi bikagabanya umuvuduko wa minisiteri. , bitera agaciro gahoraho ka minisiteri kugabanuka gahoro gahoro.

2.2.2 Ingaruka zo guhuza imvange ku bucucike bugaragara bwa minisiteri

Iyo selulose ether na krahisi ether byahujwe na minisiteri kuri dosiye runaka, ubucucike bugaragara bwa minisiteri buzahinduka. Birashobora kugaragara mubisubizo ko kuvanga selulose ether na krahisi ether kuri dosiye yagenewe Nyuma ya minisiteri, ubwinshi bugaragara bwa minisiteri buguma kuri 1750kg / m³, mugihe ubucucike bugaragara bwa minisiteri yerekana ni 2110kg / m³, hamwe no guhuza byombi muri minisiteri bituma ubucucike bugaragara bugabanukaho 17%. Birashobora kugaragara ko guhuza selulose ether na krahisi ether bishobora kugabanya neza ubucucike bugaragara bwa minisiteri kandi bigatuma minisiteri yoroshye. Ibi ni ukubera ko selile ether na etarifike ether, nkibicuruzwa bya etherification, ni imvange ningaruka zikomeye zo kwinjiza umwuka. Ongeraho ibi byombi bivanze na minisiteri birashobora kugabanya cyane ubucucike bugaragara bwa minisiteri.

2.2.3 Ingaruka zivanze zivanze kumbaraga zo kwikuramo za minisiteri

3d na 28d compressive power curve ya mortar iboneka mubisubizo byikizamini cya minisiteri. Imbaraga zo kwikuramo ibipimo bya minisiteri 3d na 28d ni 15.4MPa na 22.0MPa, hanyuma nyuma ya selile ya selile na ether ya krahisi ivanze na minisiteri, imbaraga zo kwikuramo za minisiteri 3d na 28d ni 12.8MPa na 19.3MPa, bari munsi yabatagira babiri. Ibipimo ngenderwaho bya minisiteri hamwe. Uhereye ku ruvangitirane rw'imvange ku mbaraga zo guhonyora, birashobora kugaragara ko nubwo igihe cyo gukira cyaba 3d cyangwa 28d, imbaraga zo gukomeretsa za minisiteri zigabanuka hamwe no kwiyongera kwinshi kwa selile ya ether na selire ether. Ibi ni ukubera ko nyuma ya selile ya selile na etarike ivanze, uduce twa latex tuzakora urwego ruto rwa polymer idafite amazi na sima, bikabuza amazi ya sima kandi bikagabanya imbaraga zo kwikuramo za minisiteri.

2.2.4 Ingaruka zivanze zivanze kumubano wububiko bwa minisiteri

Irashobora kugaragara uhereye kumasemburo ya selile ya selile na etarike ya ether kumbaraga zifatika za minisiteri nyuma ya dosiye yagenewe ikomatanyirizwa hamwe ikavangwa na minisiteri. Iyo igipimo cya selile ya selile ari 0.2% ~ 0,6%, igipimo cya ether ya krahisi ni 0.03% ~ 0.07%%, nyuma yuko byombi byinjijwe muri minisiteri, hamwe no kwiyongera kwinshi, imbaraga zo guhuza za minisiteri iziyongera buhoro buhoro mbere, kandi nyuma yo kugera ku gaciro runaka, hamwe no kwiyongera kwinshi, imbaraga zifatika za minisiteri zizagenda ziyongera buhoro buhoro. Imbaraga zo guhuza zizagenda zigabanuka gahoro gahoro, ariko iracyarenze agaciro kerekana ibipimo ngenderwaho bya minisiteri. Iyo ugereranije na 0.4% ya selulose ether na 0,05% ya krahisi ya etar, imbaraga zo guhuza za minisiteri zigera kuri ntarengwa, zikaba zikubye inshuro 1.5 kurenza iy'ibipimo ngenderwaho. Ariko, iyo igipimo kirenze, ntabwo ubwiza bwa minisiteri gusa ari nini cyane, kubaka biragoye, ariko kandi imbaraga zo guhuza za minisiteri ziragabanuka.

3. Umwanzuro

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⑵Kuberako ibicuruzwa bya etherification bifite imikorere ikomeye yo guhumeka ikirere, nyuma yo kongeramo ether ya selulose ether na krahisi, hazaba gaze nyinshi imbere muri minisiteri, kuburyo nyuma yo kongeramo selile ether na etarike ether, ubuso butose bwa minisiteri buzaba Ubucucike bugaragara buzaba kugabanuka cyane, bizaganisha ku kugabanuka gukwiranye nimbaraga zo guhonyora za minisiteri.

. Iyo uhuza selile ya ether na krahisi ether, birakenewe kwemeza ko amafaranga yo guteranya akwiye. Umubare munini cyane ntabwo usesagura ibikoresho gusa, ahubwo unagabanya imbaraga zo guhuza za minisiteri.

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