E hana i kēia manawa me DDI (Dimeryl Diisocyanate) CAS NO. 68239-06-5 no nā polyurethanes paʻa wai
ʻIke pinepine ʻoe i ka ʻike wai e hoʻoulu ai i nā pilikia i nā uhi polyurethane. Hōʻike ka nui o nā huahana i nā kihi pili wai haʻahaʻa, e like me ke kila kila ma 76.3°, kaohi i ka polyurethane ma 95.2°, a me kekahi mau uhi polyurethane antibacterial ma lalo o 83°. DDI (Dimeryl Diisocyanate) Hoʻopau ka CAS NO. 68239-06-5 i kēia mau pilikia. ʻO kona ʻano kū hoʻokahi e hiki ai iā ʻoe ke hana i nā huahana polyurethane paʻa wai a paʻa.
Nā Manaʻo Koʻikoʻi
- DDI (Dimeryl Diisocyanate) hana i nā polyurethanes paʻa wai e kūʻē i ka makū, e hōʻoiaʻiʻo ana i ka lōʻihi a me ka lōʻihi o ke ola ma nā ʻano hana like ʻole.
- Ke hoʻohana nei ʻAʻOLE Hoʻomaikaʻi i ka hana o nā huahana polyurethane ma ka hōʻemi ʻana i nā pilikia e like me ka blistering a me nā hemahema waterproofing, e alakaʻi ana i nā hopena hilinaʻi.
- Hoʻohuihui ʻAʻOLE He maʻalahi ka hoʻokomo ʻana i loko o kāu mau ʻano: koho i ka polyol kūpono, kāwili ma lalo o nā kūlana i kāohi ʻia, a hoʻāʻo no ke kūpaʻa wai e hoʻokō i ka hana maikaʻi loa.
Ka ʻIke Wai i loko o nā Polyurethanes
Ka Wehewehena a me ka Hopena
Hoʻopilikia ka ʻike wai i ke ʻano o ka hana a me ka lōʻihi o nā huahana polyurethane. Ke hoʻohana ʻoe i ka polyurethane i nā uhi a i ʻole nā mea hoʻopaʻa, hiki i ka makū ke hana i nā pilikia he nui. Hiki iā ʻoe ke ʻike i ka pehu ʻana, nā hemahema pale wai, a i ʻole ka hōʻino ʻana o ka mea. Hiki ke ulu ka ʻōpala inā kahe ka wai i loko o ka mea. Hōʻike ka papa ma lalo nei i nā hopena nui o ka ʻike wai i nā huahana polyurethane:
| ʻAno Hopena | Wehewehena |
|---|---|
| Ka ʻike ʻana i ka makū | He maʻalahi loa nā huahana Polyurethane i ka makū, e pili ana i kā lākou hana a me ke ola. |
| ʻŌhūhū | Hiki i ka papa PU ke pehu inā ʻaʻole i pipili pono ʻia i ka substrate. |
| Nā hemahema pale wai | ʻO ka hoʻopili pono ʻole ʻana hiki ke alakaʻi i nā hemahema i ka ʻōnaehana pale wai, e hoʻoulu ai i ka liki ʻana o ka wai. |
| Ka hōʻino ʻana o nā mea | Hiki i ka liki ʻana o ka wai ke alakaʻi i ka ulu ʻana o ka ʻōpala a me ka hōʻino ʻana o nā mea. |
Pono ʻoe e hoʻoponopono i kēia mau pilikia i mea e hilinaʻi ai a lōʻihi hoʻi kāu mau huahana polyurethane.
Nā Pilikia i nā ʻōnaehana Isocyanate Kuʻuna
Ke kū nei nā ʻōnaehana isocyanate kuʻuna i kekahi mau pilikia i ka wā e hōʻike ʻia ai i ka makū. Hoʻopilikia pinepine ʻoe i nā hopena makemake ʻole e hōʻemi ana i ka maikaʻi o kāu polyurethane. Eia kekahi mau pilikia maʻamau:
- Hoʻopili koke nā Isocyanates me ka wai, hiki ke hoʻoulu i ka huʻa a me ke kaomi.
- Hoʻokumu ka hopena i nā urea a me ke kalapona ʻokikene, e hoʻopau ana i ka isocyanate i loaʻa.
- He mea paʻakikī kēia mau pilikia ke kaohi i nā waiwai hope loa o kāu huahana.
Hiki iā ʻoe ke lanakila i kēia mau pilikia ma ke koho ʻana i nā hoʻonā holomua e like me DDI (Dimeryl Diisocyanate) CAS NO. 68239-06-5. Kōkua kēia koho iā ʻoe e hana i nā polyurethanes paʻa wai e kūʻē i ka makū a lōʻihi ke ola.
DDI (Dimeryl Diisocyanate) CAS NO. 68239-06-5: Ka Hoʻonā no nā Polyurethanes Paʻa Wai
Nā Waiwai Kemika Kūikawā o ʻAʻOLE
Makemake ʻoe i kāu mau huahana polyurethane e mau a ikaika, ʻoiai i nā kūlana pulu. ʻO DDI (Dimeryl Diisocyanate) CAS NO. 68239-06-5 kū i waho ma muli o kona ʻano kemika kūikawā. Loaʻa i kēia hui kahi iwi kuamoʻo lōʻihi 36-kalapona, e hāʻawi ana iā ia i ka maʻalahi a me ka ikaika. ʻO ka viscosity haʻahaʻa e maʻalahi ai iā ʻoe ke kāwili a lawelawe. Hōʻike pū ʻo DDI i ka ʻawahia haʻahaʻa, no laila hiki iā ʻoe ke hoʻohana palekana i nā noi he nui.
E hoʻohālikelike kākou iā DDI me nā isocyanates maʻamau i hoʻohana ʻia i ka hana polyurethane. Hōʻike ka papa ma lalo nei pehea e ʻokoʻa ai ke kaumaha molekala o DDI, ka ʻike NCO, a me ka ʻawahia mai nā koho ʻē aʻe:
| Nā kikoʻī | Kaumaha molekala pili | ʻIkepili NCO, % | Klorine hiki ke hoʻoheheʻe ʻia, % | Kaomi mahu, mmHg | Kiko heheʻe, ℃ | ʻAkika |
|---|---|---|---|---|---|---|
| ʻAʻOLE | 600 | 13.6 ~ 15.2 | ＜0.001 (25℃) | -34.4 | haʻahaʻa ka ʻawahia | |
| IPDI | 222.2 | 37.8 | 0.02 | 0.003 (20℃) | -60 | ʻawahia waena |
| TDI | 174 | 48.3 | 0.01 | 0.042 (20℃) | 5 ~ 6.5 | ʻawahia nui |
| MDI | 250.26 | 33.6 | 0.05 | - | 38 | ʻawahia waena |
Hiki iā ʻoe ke ʻike he kiʻekiʻe loa ke kaumaha molekala o DDI (Dimeryl Diisocyanate) CAS NO. 68239-06-5 a haʻahaʻa ka ʻawahia ma mua o nā isocyanates ʻē aʻe. ʻO ke ʻano kēia e loaʻa iā ʻoe kahi huahana palekana a paʻa hoʻi.
ʻAno Hana Hoʻohālikelike ʻia me nā Isocyanates ʻē aʻe
Ke hoʻohana ʻoe iā DDI, loaʻa iā ʻoe kahi ala hopena ʻokoʻa i hoʻohālikelike ʻia me nā isocyanates kuʻuna. Hana ʻo DDI me nā polyols e hana i nā pilina urethane ikaika. Kōkua ke kaulahao kalapona lōʻihi ma DDI i ka hana ʻana i kahi pūnaewele palupalu. Kūʻē kēia pūnaewele i ka haki ʻana i ka wā e hōʻike ʻia ai i ka wai a i ʻole ke kaumaha.
ʻO nā isocyanates ʻē aʻe, e like me TDI a i ʻole MDI, e pane koke me ka wai. Hiki i kēia ke hana i ka huʻa a me nā wahi nāwaliwali i loko o kāu polyurethane. Hoʻolohi ke ʻano o DDI i nā hopena makemake ʻole me ka makū. Loaʻa iā ʻoe ka mana maikaʻi ma luna o ke kaʻina hana hoʻōla. Noho mālie a ikaika kāu huahana hope loa, ʻoiai inā aia kekahi makū i ka wā o ka noi.
Manaʻo kōkua: ʻO ka hoʻohana ʻana iā DDI e kōkua iā ʻoe e pale i nā pilikia maʻamau e like me nā pehu a i ʻole nā māwae i kāu mau uhi polyurethane.
Nā Hualoaʻa Hana Ma lalo o ka Hōʻike ʻana i ka Wai
Makemake ʻoe i kāu huahana polyurethane e hana maikaʻi, ʻoiai ma nā wahi pulu a ʻūlū paha. Hōʻike nā polyurethane i hoʻokumu ʻia e DDI i nā hopena maikaʻi loa ke hōʻike ʻia i ka wai no ka manawa lōʻihi. Kūʻē lākou i ka hydrolysis, ʻo ia hoʻi, ʻaʻole e wāwahi maʻalahi ka wai i ka mea. ʻO kēia ke alakaʻi i kahi ola lawelawe lōʻihi no kāu mau huahana.
Eia kahi hōʻuluʻulu manaʻo o ka hana ʻana o nā polyurethanes DDI ma lalo o ka wai:
| ʻAno | Wehewehena |
|---|---|
| Paʻa hydrolytic | Kū'ē nā polyurethanes i hoʻokumu ʻia ma DDI i ka wai a me ka haʻahaʻa |
| Hoʻonui ʻia ke ola lawelawe | Hoʻolōʻihi lākou i ke ola lawelawe ma nā wahi pulu a i ʻole nā wahi i hōʻike ʻia |
Hiki iā ʻoe ke hilinaʻi iā DDI (Dimeryl Diisocyanate) CAS NO. 68239-06-5 e mālama i kāu mau huahana polyurethane i ka wai a hilinaʻi hoʻi. ʻO kēia ka mea e lilo ai ia i koho akamai no nā uhi, nā mea hoʻopaʻa, a me nā noi ʻē aʻe kahi e hopohopo ai ka makū.
Nā Pōmaikaʻi a me ka Hoʻokō ʻana o DDI (Dimeryl Diisocyanate) CAS NO. 68239-06-5
Hoʻonui ʻia ke kūpaʻa a me ka lōʻihi o ke ola
Makemake ʻoe i nā huahana polyurethane e mau ana. Ke hoʻohana ʻoe iā DDI (Dimeryl Diisocyanate) CAS NO. 68239-06-5, loaʻa iā ʻoe nā uhi a me nā mea hoʻopaʻa e kūʻē i ka wai a noho ikaika. Hōʻike nā Polyurethanes me DDI i ka emi ʻana o ka viscosity a me ka emi ʻana o ka hana ʻakika ma hope o ka hōʻike ʻana i ka haʻahaʻa kiʻekiʻe a me ka wela. ʻO ke ʻano kēia e mālama ai kāu huahana i ko lākou ʻano a me ka hana no ka manawa lōʻihi. ʻIke pū ʻoe i ka emi ʻana o ka melemele, no laila e nānā hou kāu mau uhi ʻoiai ma hope o ka hōʻike ʻana iā UV.
Ka Versatility o ka Noi ma nā ʻoihana like ʻole
Hiki iā ʻoe ke hoʻohana i ka DDI ma nā ʻoihana he nui. Hana maikaʻi ia i ka hoʻopau ʻana i nā lole, nā mea hoʻopili, nā elastomers, nā mea hoʻopaʻa, nā uhi, a me nā ʻīnika. Loaʻa iā ʻoe ka DDI ma nā noi koa a me nā noi kīwila. Kōkua ia iā ʻoe e hana i nā lole pale wai, nā uhi paʻa no ka lāʻau a me ka metala, a me nā elastomers palupalu. Loaʻa iā ʻoe nā hopena hilinaʻi inā ʻoe e hana ana i ke kūkulu ʻana, nā lole, a i ʻole ke kaʻa.
Nā Pōmaikaʻi o ke Kumukūʻai a me ka Hana
ʻIke ʻoe he mea aloha i ke kaiapuni ka DDI a ke lilo nei i mea kaulana. Ua emi nā kumukūʻai no DDI, akā hiki ke piʻi aʻe ke kumukūʻai o nā diisocyanates bio-based e like me DDI ma mua o nā koho kuʻuna. Uku nui ʻoe i mua, akā loaʻa iā ʻoe nā pono hana. Kūʻē nā Polyurethanes me DDI i ka palaho a me ka melemele, no laila ʻoi aku ka liʻiliʻi o kāu hoʻolilo ʻana i nā hoʻoponopono a me nā pani.
- Hāʻawi ʻo DDI i ka pale wai i hoʻomaikaʻi ʻia.
- Loaʻa iā ʻoe ka lōʻihi a me ke kūpaʻa o ke kala.
- Kākoʻo ʻoe i ka kemika ʻōmaʻomaʻo i kāu mau huahana.
Nā ʻanuʻu e hoʻohui ʻAʻOLE ma nā ʻano hana Polyurethane
Hiki iā ʻoe ke hoʻohui i ka DDI i kāu mau ʻano polyurethane i loko o kekahi mau ʻanuʻu maʻalahi:
- E koho i ka polyol kūpono no kāu noi.
- E hoʻohui iā DDI me kāu polyol ma lalo o nā kūlana i kāohi ʻia.
- E hoʻoponopono i ka ratio e hoʻokō ai i ka palupalu a me ka ikaika i makemake ʻia.
- E hoʻōla i ka hui ʻana ma nā mahana i ʻōlelo ʻia.
- E hoʻāʻo i ka huahana hope loa no ke kūpaʻa wai a me ka lōʻihi.
Manaʻo kōkua: E hahai mau i nā kulekele palekana i ka wā e lawelawe ai i nā isocyanates.
Hiki iā ʻoe ke hilinaʻi DDI (Dimeryl Diisocyanate) CAS NO. 68239-06-5 no nā huahana polyurethane paʻa wai a lōʻihi ke ola. Nui nā ʻoihana e koho nei i kēia hopena ma muli o kona palekana, ka hana paʻa, a me ka ulu ʻana o ka waiwai mākeke.
- Ua piʻi aʻe ke kumukūʻai mākeke mai $120 miliona a i $450 miliona i loko o ʻelua mau makahiki.
- Hōʻoia nā lula honua i ka hoʻohana palekana a me ke kuleana.
| Pōmaikaʻi | Wehewehena |
|---|---|
| Hoʻemi ʻia ka Volatility | Ka emi ʻana o ka mahu, kahi hana palekana |
| Hana Paʻa | Nā hopena hilinaʻi no nā mea hana |
Nā nīnau i nīnau pinepine ʻia
He aha ka mea e hana ai DDI (Dimeryl Diisocyanate) kūikawā no nā polyurethanes paʻa wai?
Loaʻa iā ʻoe kahi iwi kuamoʻo 36-kalapona. Hāʻawi kēia i kāu polyurethane i ke kūpaʻa wai ikaika, ka maʻalahi, a me ka haʻahaʻa ʻawahia.
Hiki iā ʻoe ke hoʻohana ʻAʻOLE ma nā ʻoihana like ʻole?
- Hiki iā ʻoe ke hoʻohana i ka DDI i nā lole, nā uhi, nā mea hoʻopili, nā mea hoʻopaʻa, a me nā ʻīnika.
- Hana ʻo DDI no nā huahana koa a me nā huahana kīwila.