Abubuwan da ake amfani da su na ruwa sune abubuwan da ba a iya narkewa a cikin ruwa, amma suna da wasu kaddarorin masu ƙarfi (babu sarkar ionic ko kwayoyin halitta har zuwa matakan 2 ~ 3, babban yanki na musamman). Wani nau'i ne na stiffener na tushen ruwa, wanda aka fi amfani dashi a cikin fenti, filastik, roba, fenti da sauran kayan shafa, manne da sauran masana'antu. Stiffener wani nau'i ne na mahadi na kwayoyin halitta wanda aka samar ta hanyar hydrogenation na kungiyoyin ester a cikin nau'i na emulsions (duba Karin Bayani A), stiffener yafi samuwa ta hanyar stearic acid (ester), kungiyoyin hydroxyl (musamman kungiyoyin ester), hydrogen bonds, hydroxyl, carboxyl da kungiyoyin amide. Haɗin kai na hydrogen tsakanin ƙungiyoyin ester yana haifar da tasiri ko kumburin mai taurin. Saboda haka, stiffener iya yadda ya kamata shawo kan lahani na shafi da m kamar wrinkling, karya ko kwasfa na m Layer saboda high zafin jiki fadada, kuma yana da kyau kwarai tsufa juriya da acid da Alkali juriya, kazalika da kyau inji Properties, weathering da zafi juriya da sanyi juriya.
Ana iya raba na'urori masu ƙarfi zuwa kashi biyu, mai narkewa da ruwa, gwargwadon tsarinsu. Ana amfani da taurin mai-mai narkewa a cikin kayan kwalliya kamar fenti, robobi da roba don hana lahani irin su blister, fashewa da ɓarkewar kayan saboda haɓakar zafin jiki. Ƙaƙƙarfan mai narkewar ruwa yana da tasiri mai laushi akan duka mai da ruwa kuma baya fasa fenti, amma ba ya amsa gaba daya tare da cakuda pigment ko sanya shi girgije da sauran lahani. A sakamakon rawar hardening ba ya samar da samfurori (kamar acrylic ko nau'in sulphonate) ko babu samfurori, don haka inganta tarwatsawa na wakili mai taurin da kuma ƙara ƙarfin ƙarfin ƙarfin ƙarfin ƙarfinsa don inganta yanayin zafi, juriya na yanayi, juriya na sanyi da ƙananan zafin jiki. Har ila yau, yana rage yawan sauran ƙarfi da aka yi amfani da shi a cikin sutura kuma yana ƙara lokacin da ake buƙata don tsarin bushewa na ƙwanƙarar ruwa, rage farashin samarwa.
Tsarin sinadarai na asali
Stiffeners gabaɗaya sun ƙunshi acetate, fatty acid esters, hydroxy acid ester mahadi ko mahadi na alkyl lipid. Yawancin stiffeners suna sha ruwa kuma don haka rage danko na tsarin stiffener ta yadda ya kamata ya tarwatsa kwayoyin kaushi a cikin emulsion. Hakanan ana iya amfani dashi azaman stabilizer ko emulsifier. Hakanan ana samun stiffen a cikin nau'ikan ayyuka na musamman. Irin su: mai ƙarfi mai ƙarfi da ake amfani da shi a cikin robobi, roba, sutura, adhesives da sauran masana'antu; Hardener na tushen ƙarfi da aka yi amfani da shi a cikin fenti da sutura tare da tasiri mai kyau; ruwa da aka yi amfani da shi a cikin masana'antar abinci don kula da kyakkyawan tsari; insoluble a cikin ruwa, mai narkewa a cikin acrylates da sauran kaushi na halitta; na iya zama mai daidaitawa tare da mafi yawan kaushi na halitta; zai iya samar da haɗin gwiwar hydrogen tare da acid da tushe; karfi chelating ikon acid anhydride ionic makamashi; za a iya amfani da daban-daban polymerization; kyakkyawan yanayi; high stiffness da lalata juriya.
Hanyar amfani da stiffener
1, Stiffener: Stiffener a cikin cakuda zai bayyana more tattara, a cikin hadawa da stirring tsari don samar da sabon abu na kumfa, kuma da yawa dakatar al'amari, shi zai kai ga samuwar emulsion fim a saman Paint da kuma haifar da matalauta stiffening sakamako da sauran matsaloli. Sabili da haka, ya kamata a biya hankali ga adadin stiffener, adadin adadin ya kamata ya dace, cakuda kada ya kasance mai kauri sosai, don kada ya watsar da rashin daidaituwa wanda ke haifar da blistering, yana shafar amfani da tasirin.
2, stirring: yin amfani da low-gudun motsa kayan aiki don sa stiffener hydration da samuwar uniform daidaito na ruwa cakuda, da hanya yana da wadannan: (1) farko ƙara wani low taro na stearic acid (ester), hydroxyl, hydrogen bonding da hydroxyl, sa'an nan kuma gauraye da stearic acid ko ester kungiyoyin, da dai sauransu tare don samar da wani stiffener. Ko su biyun tare su zama cakuda mai tauri; bayan an ƙara adadin ruwan da ya dace da dumama don haɗe shi.
3, tushen ƙarfi: irin wannan nau'in stiffener shine nau'in mahaɗan kwayoyin halitta ko polymers dangane da carboxyl (ko hydroxyl); narkar da cikin ruwa kuma ya kafa tsarin copolymer (gabaɗaya na tushen ester); ko ta polymerization don samun tsayin kwayoyin halitta sarkar, ya fi girma musamman surface yankin, mafi girma danko da kyau watsawa Properties kuma a cikin ruwa tushen Giciye-linked tsarin ne polymer tare da wani dogon kwayoyin sarkar, babban takamaiman surface area, wani babban danko da kyau watsawa Properties da wani bond a cikin waterborne shafi tsarin (yafi dangane da adadin stiffener tsarin). Stiffeners sune ruwaye masu kama da emulsion waɗanda ake shayarwa a cikin ɗaki da zafin jiki kuma suna samar da tsarin hanyar sadarwa bayan jerin halayen (duba appendices A da B). Stiffeners yawanci suna ƙunshe da ƙananan abubuwan ƙari kamar gishiri, acid carboxylic (misali hydroxyl amines, phosphate esters ko disodium sulfonates) ko ƙananan adadin ions na ƙarfe.
Kewayon aikace-aikacensa yana da faɗi sosai, gami da kayan kwalliyar ruwa, fina-finai na filastik, adhesives da polymers waɗanda ke ɗauke da taurin kuma ana iya amfani da su azaman kayan tushe don sutura ko samfuran filastik.
1, tushen ruwa ko tushen mai: dace da kowane nau'in sutura, gabaɗaya samfuran matsakaici; 2. ba ruwa mai narkewa: za a iya narkar da a cikin ruwa sa'an nan kuma sannu a hankali tarwatsa a cikin emulsion ko'ina tarwatsa.
3, m-lokaci hadawa: emulsion ruwa za a iya ƙara da dama Organic adhesives tare da m abu ne gauraye da kyau (tare da Organic fillers) domin blending; ƙara daidai adadin taurin zai sa mai taurin ya sami ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan ƙayyadaddun kayan aikin injinsa da juriyar tsufa (duba Karin Bayani na B).
- Rubutun ƙarfin ruwa tare da
Stiffener a cikin kayan shafa, robobi, roba da sauran masana'antu
Stiffener a cikin ruwa na tushen coatings ne yafi amfani don gyara unsaturated polyesters, copolymer emulsions, da dai sauransu Yana iya sa roba guduro yi an inganta. A polymer bayan hardening ba kawai yana da high quality taurin, amma kuma yana da mafi kyau ruwa juriya da kuma tsufa juriya. Ana iya amfani da shi ta farko diluting da stiffener a cikin wani bayani tare da maida hankali na 20-40%, sa'an nan ƙara da shi zuwa ga reactor ga emulsification dauki da kuma ƙara da ya dace adadin dilution yin babban stiffening emulsion. Lokacin da emulsion ya ƙunshi fiye da wani kaso na kwayoyin kaushi, abin da zai faru na polymerisation da bazuwar zai faru, wanda ba kawai rage aikin guduro ba amma kuma yana haifar da tsufa na kayan aiki ko samfurin. Don haka a cikin samar da sutura da tsarin polymer don ƙara yawan adadin stiffener zai iya inganta amfani da tasirinsa, don haka samfurin ya fi dacewa da sassaucin ra'ayi da kuma yawan zafin jiki.
Don ƙarin bayani game da na'urar tauri , da fatan za a tuntuɓe mu a [email protected] , ko a yi mana magana: +86-28-8411-1861.
Game da SINOYQX
SINOYQX babban sinadari ne da aka gina a kan sarkar iskar gas, kera urea (AdBlue), melamine, kumfa melamine, melamine cyanurate (MCA), polyphosphate (MPP), polyvinyl butyral resin (ƙarancin polymerization PVB resin), da sauran kayayyakin sinadarai. Kumfa Melamine da aka ƙera a kowace shekara: 100,000 m³/shekara. Sauran ƙayyadaddun bayanai na samfura da ƙarfin samarwa suna ƙarƙashin tabbatarwa.
Abokin Labarai:
email: [email kariya]
Tel: + 86-28-8411-1861
Ana sake buga wasu hotuna da rubutu daga Intanet, kuma haƙƙin mallaka na ainihin marubucin ne. Idan akwai wani cin zarafi, da fatan za a tuntuɓe mu don sharewa.