He aha nā pauka polymer redispersible?

ʻO nā pauka polymer redispersible (RPP) he mau pauka keʻokeʻo i hoʻopuka ʻia e ka hoʻoheheʻe ʻana i ka polymer dispersions a i ʻole emulsions. Aia lākou i nā ʻāpana polymer i uhi ʻia me nā mea pale a me nā mea hoʻohui. Ke hui pū ʻia me ka wai, hoʻopuehu maʻalahi kēia mau pauka e hana i nā emulsion polymer paʻa, hiki iā lākou ke hoʻohana i kahi ākea o nā noi i ke kūkulu ʻana, nā pena a me nā uhi, nā adhesives, a me nā ʻoihana ʻē aʻe.

Huina:

ʻO ka hui ʻana o nā pauka polymer redispersible maʻamau e komo i kēia mau ʻāpana:

1. Nā ʻāpana Polymer: ʻO ka mea nui o ka RPP he mau ʻāpana polymer, i loaʻa mai nā polymers synthetic like ʻole e like me vinyl acetate-ethylene (VAE), ethylene-vinyl acetate (EVA), acrylics, styrene-butadiene (SB), a i ʻole polyvinyl acetate ( PVA). Hāʻawi kēia mau polymers i nā waiwai i makemake ʻia a me nā hiʻohiʻona hana o ka huahana hope.
2. Nā ʻĀpana Palekana: No ka pale ʻana i nā ʻāpana polymer mai ka agglomerating i ka wā o ka mālama ʻana a me ka lawe ʻana, hoʻohana pinepine ʻia nā mea pale e like me ka polyvinyl alcohol (PVA) a i ʻole cellulose ethers. Hoʻopaʻa kēia mau mea hana i nā ʻāpana polymer a hōʻoia i ko lākou redispersibility i ka wai.
3. Plasticizers: Hiki ke hoʻohui ʻia nā Plasticizers e hoʻomaikaʻi i ka maʻalahi, ka hana, a me ka pili ʻana o nā RPP. Ke kōkua nei kēia mau mea hoʻohui i ka hoʻokō ʻana i ka hana o nā ʻāpana polymer i nā noi like ʻole, ʻoi aku hoʻi i nā uhi hiki ke maʻalahi, nā adhesives, a me nā mea hoʻopaʻa.
4. Nā mea hoʻopihapiha a me nā mea hoʻohui: Ma muli o nā koi noi kikoʻī, nā mea hoʻopihapiha, nā puaʻa, nā mea hoʻohui crosslinking, nā mānoanoa, a me nā mea hoʻohui ʻē aʻe e hiki ke hoʻohui ʻia i loko o nā formulations RPP e hoʻonui i kā lākou mau waiwai a hāʻawi i nā hana kikoʻī.

Nā waiwai a me nā ʻano:

Hōʻike nā pauka polymer redispersible i kekahi mau waiwai koʻikoʻi a me nā hiʻohiʻona e hoʻohana nui ʻia a hoʻohana nui ʻia i nā ʻoihana like ʻole:

1. Hoʻopuehu hou: Hoʻopuehu maʻalahi ʻo RPP i ka wai e hana i nā emulsions polymer paʻa a i ʻole ka hoʻopuehu ʻana, e ʻae ai i ka hoʻohui maʻalahi i loko o nā hana a me ka hoʻohana ʻana ma hope.
2. Hiki ke hana kiʻiʻoniʻoni: Ke hoʻopuehu ʻia i loko o ka wai a kau ʻia ma luna o nā ʻili, hiki i ka RPP ke hana i nā kiʻiʻoniʻoni ʻoniʻoni mau i ka maloʻo. Hoʻonui kēia mau kiʻiʻoniʻoni i ka adhesion, ka lōʻihi, a me ka pale ʻana i ka wā i nā uhi, adhesives, a me nā sealants.
3. Hoʻonui i ka Adhesion: Hoʻomaikaʻi ʻo RPP i ka hoʻopili ʻana ma waena o nā substrate a me nā uhi, nā mortar, a i ʻole nā ​​​​mea hoʻopili, e hopena i nā mea paʻa ikaika a hoʻomaikaʻi i ka hana i ke kūkulu ʻana a me nā mea kūkulu hale.
4. Paʻa wai: ʻO ke ʻano hydrophilic o RPP e hiki ai iā lākou ke komo a mālama i ka wai i loko o nā formulations, hoʻolōʻihi i ka hydration a me ka hoʻomaikaʻi ʻana i ka hana, ka manawa hāmama, a me ka hoʻopili ʻana i ka mortar a me ka tile adhesive applications.
5. ʻO ka maʻalahi a me ka paʻakikī: Hōʻike nā mea i hoʻololi ʻia e RPP i ka hoʻonui ʻia, elasticity, a me ka paʻakikī, e ʻoi aku ka paʻa ʻana i ka haki ʻana, deformation, a me ka pōʻino hopena.
6. Kū'ē Kūlohelohe: Hoʻonui ka RPP i ka pale ʻana i ka ea a me ka lōʻihi o nā uhi, sealants, a me nā membrane wai wai, e hāʻawi ana i ka pale mau loa i ka radiation UV, ka makū, a me nā mea kaiapuni.

Nā noi:

Loaʻa nā pauka polymer redispersible i nā noi ma nā ʻano ʻoihana a me nā huahana, me:

• Ka hana ʻana: ʻO nā mea hoʻopili tile, ka pāpaʻi, nā ʻōpala, nā membrane wai ʻole, nā mea hoʻohui ponoʻī, a me nā ʻōnaehana hoʻokaʻawale a me ka hoʻopau ʻana (EIFS).
• Nā Pena a me nā Pena: Nā pena o waho, nā ʻili i hoʻopaʻa ʻia, nā pulu hoʻonaninani, a me nā mea hoʻonaninani.
• ʻO nā mea hoʻopili a me nā mea hoʻopaʻa paʻa: nā mea hoʻopili tile, nā mea hoʻopiha māwae, nā ʻōpala, nā mea hoʻopaʻa maʻalahi, a me nā mea hoʻopili paʻakikī.
• Nā lole lole: Nā lole lole lole, nā mea hoʻopau, a me nā pūhui nui.

ʻO nā pauka polymer redispersible he mau mea maʻalahi a multifunctional i hoʻohana ʻia no ka hoʻomaikaʻi ʻana i ka hana, ka lōʻihi, a me ka versatility o nā huahana like ʻole a me nā ʻano hana i ke kūkulu ʻana, nā pena a me nā uhi, nā adhesives, textiles, a me nā ʻoihana ʻē aʻe.