Ka paʻa ʻana o ka wainā ethers cellulose
ʻO ka paʻa ʻana o ka wai o ka mortar e pili ana i ka hiki o ka mortar ke paʻa a hoʻopaʻa i ka makū. ʻO ke kiʻekiʻe o ka viscosity o ka cellulose ether, ʻoi aku ka maikaʻi o ka paʻa ʻana o ka wai. No ka mea, aia i loko o ke ʻano cellulose nā pilina hydroxyl a me ether, pili ka ʻātoma oxygen ma ka hui pilina hydroxyl a me ether me ka mole wai e hana i nā pilina hydrogen, i lilo ai ka wai manuahi i wai paʻa a hoʻopuehu i ka wai, no laila e pāʻani ana i ke kuleana o ka paʻa ʻana o ka wai.
Ka hiki ke hoʻoheheʻe ʻia oʻEtera cellulose
1. Hoʻopuehu maʻalahi ʻia ka ʻetera cellulose coarser i ka wai me ka ʻole o ka hoʻopili ʻana, akā lohi loa ka wikiwiki o ka hoʻoheheʻe ʻana.Nā ʻetera cellulosema lalo o 60 mesh ua hoʻoheheʻe ʻia i loko o ka wai no kahi o 60 mau minuke.
2. Hoʻopuehu maʻalahi ʻia nā ʻāpana liʻiliʻi o ka cellulose ether i ka wai me ka ʻole o ka hoʻopili ʻana, a he kūpono ka nui o ka hoʻoheheʻe ʻana. ʻOi aku ma mua o 80 meshʻEtera cellulosehoʻoheheʻe ʻia i loko o ka wai no ma kahi o 3 mau minuke.
3. Hoʻopuehu koke ka cellulose ether maikaʻi loa i ka wai, hoʻoheheʻe koke, a hana i kahi mānoanoa wikiwiki. ʻOi aku ma mua o 120 meshʻEtera celluloseua hoʻoheheʻe ʻia i loko o ka wai no kahi o 10-30 kekona.
ʻO ka ʻoi aku ka maikaʻi o nā ʻāpana o ka cellulose ether, ʻoi aku ka maikaʻi o ka paʻa ʻana o ka wai. ʻO ka ʻili o ka ʻāʻīʻEtera Cellulose HEMCHoʻoheheʻe koke ʻia ma hope o ka hoʻopili ʻana me ka wai a hana i kahi hanana gel. Hoʻopili ka glue i ka mea e pale ai i nā mole wai mai ka hoʻomau ʻana i ke komo ʻana, a i kekahi manawa ʻaʻole hiki ke hoʻopuehu like ʻia a hoʻoheheʻe ʻia ma hope o ka manawa lōʻihi o ka hoʻoulu ʻana, e hana ana i kahi hopena flocculent turbidized a i ʻole caking. Hoʻopuehu koke nā ʻāpana liʻiliʻi a hoʻoheheʻe ʻia i ka hoʻopili ʻana me ka wai e hana i kahi viscosity like.
Ka hoʻokuʻu ʻana o ka cellulose ether
ʻO ke aeration o ka cellulose ether ke kumu nui no ka mea he ʻano surfactant nō hoʻi ka cellulose ether, a ʻo ka hana interfacial o ka cellulose ether e hana nui ʻia ma ka interface gas-wai-paʻa, ma ka hoʻolauna ʻana i nā pehu, a ukali ʻia e ka hoʻopuehu ʻana a me ka pulu ʻana. Loaʻa i nā cellulose ethers nā hui alkyl, kahi e hoʻemi nui ai i ka ʻili o ka ʻili a me ka ikehu interfacial o ka wai, e hana maʻalahi ai ka hopena wai i nā pehu liʻiliʻi he nui i ka wā o ka hoʻoulu ʻana.
Ka Gelatinicity o nā ethers cellulose
Ma hope o ka hoʻoheheʻe ʻia ʻana o ka cellulose ether i loko o ka mortar, e launa pū ka hui methoxy a me ka hui hydroxypropyl ma ke kaulahao molekala me nā ion calcium a me ka alumini i loko o ka slurry e hana i kahi gel viscous a hoʻopiha i ka hakahaka o ka mortar sima, e hoʻomaikaʻi ana i ka densification o ka mortar a hana i ke kuleana o ka hoʻopiha maʻalahi a me ka hoʻoikaika. Eia naʻe, i ka wā e kaomi ʻia ai ka matrix composite, ʻaʻole hiki i ka polymer ke hana i kahi kuleana kākoʻo paʻa, no laila e emi ana ka ikaika a me ka lakio pelu o ka mortar.
Nā waiwai hana kiʻiʻoniʻoni o ka cellulose ether
Hoʻokumu ʻia kahi ʻili latex lahilahi ma waena o ka cellulose ether a me nā ʻāpana sima ma hope o ka hydration, kahi hopena sila a hoʻomaikaʻi i ka maloʻo ʻana o ka ʻili o ka mortar. Ma muli o ka paʻa wai maikaʻi o ka cellulose ether, ua mālama ʻia nā molekala wai lawa i loko o ka mortar, i mea e hōʻoia ai i ka hydration a me ka paʻakikī o ka sima a me ka hoʻomohala piha ʻana o ka ikaika, hoʻomaikaʻi i ka ikaika hoʻopaʻa o ka mortar, a hoʻomaikaʻi i ke kūpaʻa o ka mortar, i loaʻa i ka mortar ka plasticity maikaʻi a me ka maʻalahi, a hoʻemi i ka deformation shrinkage o ka mortar.
Ka manawa hoʻouna: Malaki-12-2024