Focus on Cellulose ethers

Pehea e hoʻohana ai i ka hydroxyethyl cellulose i ka pena latex

1. Hoʻohui pololei i ka wā e wili ai i ka puaʻa: ʻO kēia ala ka maʻalahi a emi ka manawa.ʻO nā ʻanuʻu kikoʻī penei:

(1) E hoʻohui i ka wai hoʻomaʻemaʻe kūpono i loko o ka pahu o ka mea hoʻoulu kiʻekiʻe (ʻo ka mea maʻamau, ethylene glycol, pulu wai a me nā mea hana kiʻiʻoniʻoni i hoʻohui ʻia i kēia manawa)

(2) E hoʻomaka i ka hoʻoulu ʻana me ka wikiwiki haʻahaʻa a hoʻohui mālie i ka hydroxyethyl cellulose

(3) E hoʻomau i ka hoʻoulu ʻana a hiki i ka pau ʻana o nā ʻāpana āpau

(4) Hoʻohui i ka mea antifungal, PH adjuster, etc.

(5) E hoʻoulu a hiki i ka pau ʻana o ka hydroxyethyl cellulose (e piʻi nui ka viscosity o ka hopena) ma mua o ka hoʻohui ʻana i nā mea ʻē aʻe i loko o ke kumu, a wili a lilo i pena.

2. E hoʻomākaukau i ka waiʻona makuahine no ka hoʻohana ʻana: ʻO kēia ʻano hana ka hoʻomākaukau ʻana i ka waiʻona makuahine me ka ʻoi aku ka nui o ka ʻike, a laila hoʻohui i ka pena latex.ʻO ka maikaʻi o kēia ʻano hana ʻoi aku ka maʻalahi a hiki ke hoʻohui pololei ʻia i ka pena i hoʻopau ʻia, akā pono e mālama pono ʻia.Ua like nā ʻanuʻu a me nā ʻano hana me nā ʻanuʻu (1)-(4) ma ke ʻano 1, ʻo ka ʻokoʻa, ʻaʻohe pono o ka mea hoʻouluulu kiʻekiʻe, a ʻo kekahi mau mea hoʻouluulu wale nō me ka mana kūpono e hoʻopuehu like i nā fibers hydroxyethyl i loko. hoʻohana ʻia ka hopena.Hiki.E hoʻomau i ka hoʻoulu ʻana a hiki i ka hoʻoheheʻe ʻia ʻana i loko o kahi solution viscous.Pono e hoʻomaopopo ʻia e hoʻohui ʻia ka mea antifungal i ka waiʻona makuahine i ka hiki.

3. No ka porridge phenology: No ka mea, ʻo nā mea hoʻoheheʻe organik he mau mea hoʻoheheʻe maikaʻi ʻole no ka hydroxyethyl cellulose, hiki ke hoʻohana ʻia kēia mau mea hoʻoheheʻe organik e hoʻomākaukau ai i ka porridge.ʻO nā mea hoʻoheheʻe kūlohelohe i hoʻohana pinepine ʻia e like me ka ethylene glycol, propylene glycol, a me nā mea hana kiʻiʻoniʻoni (e like me ka hexylene glycol a i ʻole diethylene glycol butyl acetate), ʻo ka wai hau he mea hoʻoheheʻe maikaʻi ʻole, no laila hoʻohana pinepine ʻia ka wai hau me nā wai kūlohelohe.E hoʻomākaukau i ka porridge.

Hiki ke hoʻohui pololei ʻia ka hydroxyethyl cellulose e like me ka porridge i ka pena.Ua pehu piha ka hydroxyethyl cellulose i loko o ka pā.Ke hoʻohui ʻia i ka pena, hemo koke ia a mānoanoa.Ma hope o ka hoʻohui ʻana, pono e hoʻoulu ʻia a hiki i ka pau ʻana o ka hydroxyethyl cellulose a me ka ʻaʻahu.ʻO ka maʻamau, ua hui pū ʻia ka porridge me ʻeono ʻāpana o ka solvent organik a i ʻole ka wai hau a me kahi ʻāpana o ka hydroxyethyl cellulose.Ma hope o 5-30 mau minuke, e hydrolyzed ka hydroxyethyl cellulose a pehu maopopo.I ke kauwela, kiʻekiʻe loa ka haʻahaʻa o ka wai maʻamau, a ʻaʻole kūpono ke hoʻohana ʻia no ka porridge.

4. Nā mea e pono ai ke nānā i ka wā e hoʻomākaukau ai i ka waiʻona makuahine hydroxyethyl cellulose

No ka mea ʻo ka hydroxyethyl cellulose he pauka i hana ʻia, maʻalahi ke mālama a hoʻoheheʻe ʻia i loko o ka wai i ka wā e ʻike ʻia ai kēia mau mea.

1) Ma mua a ma hope o ka hoʻohui ʻana i ka hydroxyethyl cellulose, pono e hoʻomau i ka hoʻoulu ʻana a hiki i ka ʻike ʻana o ka hopena.

2) Pono e kānana ʻia i loko o ka barela hui ʻana me ka mālie, a mai hoʻohui i ka hydroxyethyl cellulose i hana ʻia i mau puʻupuʻu a i ʻole pōpō pololei i loko o ka pahu hui.

3) He pilina koʻikoʻi ka mahana o ka wai a me ka waiwai pH i ka wai me ka hoʻoheheʻe ʻana o ka hydroxyethyl cellulose, no laila pono ke nānā pono iā ia.

4) Mai hoʻohui i kekahi mau mea alkaline i ka hui ʻana ma mua o ka hoʻopiha ʻia ʻana o ka pauka hydroxyethyl cellulose me ka wai.ʻO ka hoʻonui ʻana i ka pH wale nō ma hope o ka pulu ʻana e kōkua i ka hemo ʻana.

5) E like me ka hiki, e hoʻohui i ka lāʻau antifungal i ka wā hiki.

6) Ke hoʻohana nei i ka hydroxyethyl cellulose kiʻekiʻe-viscosity, ʻaʻole pono ke kiʻekiʻe o ka waiʻona makuahine ma mua o 2.5-3% (ma ke kaumaha), i ʻole e paʻakikī ke mālama ʻana i ka waiʻona makuahine.


Ka manawa hoʻouna: Nov-15-2022
WhatsApp Online Chat !