I nā makahiki i hala iho nei, me ke alakaʻi ʻana i nā kulekele mālama kaiapuni a me ka hoʻolaha ʻana o nā mea he nuika uhi ʻanamea hana, waihaliiaUa ʻike nui ʻia ka pena e ka mākeke, a ua hoʻohālikelike ʻia ka hana o ka pena wai wai ʻelua me ka pena ʻaila i nā ʻano he nui, ʻaʻole hiki ke hoʻokaʻawale ʻia mai ka hoʻomohala ʻana a me ka hoʻohana ʻana o ka pena.lawe wai PUmea hoola.
Ko Bogao waterbornePUmea hoolaBG-2655-80, fa i ʻole nā uhi wai, nā mea hoʻopili wai, nā inika wai, etc.
ʻo iahoʻohana ʻia ma ke ʻano he lāʻau lapaʻau no nā mea wai ʻeluaPUʻōnaehana.
Loaʻa iā ia nā hiʻohiʻona o ka pena kiʻiʻoniʻoni wikiwiki maloʻo, maikaʻi loa ke kino a me nā waiwai kemika.
Loaʻa i ka wai hoʻōla ʻo PU ka nui o nā hui isocyanate (- NCO), hiki ke hoʻopili ʻia me nā pūʻulu hana he nui e like me ka hydroxyl, amino a me nā hui carboxyl.Pehea e hoʻomalu pono ai i ka hopena ʻaoʻao a hoʻomākaukau i ka pena wai wai ʻelua me ka hana maikaʻi loa e pono ai ke koho ʻana i ka lāʻau lapaʻau wai kūpono, a me ka hoʻomaʻamaʻa ʻana i nā kumu nui o ka hoʻolālā ʻana a me ka hoʻomākaukau kiʻiʻoniʻoni i nā kikoʻī.
Ua hoʻomaka ka noiʻi noiʻi o ka wai hoʻōla ʻo PU curing agent i ka hopena o 1980s.Aia ʻo Bayer ma mua o ka noiʻi a me ka hoʻomohala ʻana, a ua hāʻawi pū ʻo ia i ka hoʻolaha ʻana i ka lāʻau lapaʻau wai a me ka pena wai.Ua hoʻomaka i ka hopena ma Kina, akā ua ulu wikiwiki, a ua hoʻohana nui ʻia i nā ʻoihana ʻoihana, nā ʻāpana papahele, nā ʻāpana lāʻau, nā ʻoihana automotive, nā ʻoihana lole a me nā ʻano ʻē aʻe.
- Ka hoʻohana ʻana i nā uhi ʻoihana
Hoʻohālikelike ʻia ka mea hoʻōla wai wai PU me ka resin dispersion hydroxyl wai.No ka mea he liʻiliʻi ke kaumaha o ka molekala hydroxyl, waiwai hydroxyl kiʻekiʻe a ʻaʻohe surfactant, he kiʻekiʻe kiʻekiʻe, paʻakikī kiʻekiʻe, ʻālohilohi maikaʻi a me ke kūpaʻa maikaʻi ma hope o ka crosslinking a me ka ho'ōla.Hiki ke hoʻohālikelike loa ia i nā uhi ʻaila i ka hana, a hiki ke hoʻohana nui ʻia i nā ʻoihana anti-corrosion a me nā mea hoʻonaninani.
- Hoʻohana i ka uhi ʻana i ka papahele
ʻElua ʻāpana wai wai PUhoʻohana ʻia ka uhi no ka papahele wai, nona nā hiʻohiʻona o ka mālama ʻana i ke kaiapuni a me ke olakino.ʻO ka lawe waiPUʻO ka uhi ʻana i nā hiʻohiʻona o ke kiʻekiʻe kiʻekiʻe, ʻaʻahu kūʻē, kū i ka wā, kū i ka wai a me ke kūpaʻa maikaʻi.
- Hoʻohana ʻia ma nā ʻāpana lāʻau
ʻO ka pena lāʻau matte wai kiʻekiʻe he kuhikuhi o ka ʻoihana lako.Hāʻawi ke kiʻi pena i kahi manaʻo maikaʻi ma hope o ka pau ʻana, a kaulana loa i nā kānaka.ʻO ka uhi varnish i hoʻohui ʻia me ka matting agent he haʻahaʻa haʻahaʻa a me ke kūpaʻa maikaʻi ʻole i ka waena.Hiki ke hoʻokō ʻia ka hopena matting ma o ka lāʻau lapaʻau mai ka molecular structure.ʻO ke ʻano like o ka pena wai, me nā ʻano ʻokoʻa o ka matte curing agent, hiki ke loaʻa i ka nani a mākou e pono ai.
Ka manawa hoʻouna: Feb-17-2023