DDI, CAS: 68239-06-5 Dimeryl Diisocyanate, Dimeryl-di- isocyanate
DDI jẹ diisocyanate aliphatic alailẹgbẹ ti o le ni idapo pẹlu awọn agbo ogun ti o ni hydrogen lọwọ lati ṣeto awọn polima.O jẹ akojọpọ pq gigun kan pẹlu ẹhin ẹhin ọra acid dimerized 36-carbon dimerized fatty acid.Ẹya pq akọkọ fun DDI ni irọrun ti o ga julọ, resistance omi ati majele kekere ju awọn isocyanates aliphatic miiran lọ.DDI jẹ omi-ifun-kekere, ni irọrun tiotuka ninu ọpọlọpọ awọn olomi-pola tabi awọn olomi-pola ti kii ṣe pola.Nitoripe o jẹ isocyanate aliphatic, o ni awọn ohun-ini ti kii ṣe ofeefee.
Kini lilo ati anfani ti DDI?
DDI le ṣee lo lati ṣeto awọn polima pẹlu awọn agbo ogun hydrogen meji tabi diẹ sii ti nṣiṣe lọwọ, eyiti o le ṣee lo lati ṣeto awọn elastomers polyurethane (urea) pẹlu awọn ohun-ini pataki, awọn aṣoju imularada fun awọn ohun elo rocket ti o lagbara, adhesives, sealants, finishing surface surface, iwe, Awọ ati aṣọ. Aṣoju aabo omi, awọn ohun elo itanna, oluranlowo itọju omi aabo igi, bbl
1. DDI ni awọn ifojusọna ohun elo ni itọju ti idọti omi asọ ati iṣẹ rirọ.O rọrun lati ṣe emulsion omi iduroṣinṣin pẹlu omi, eyiti o le fun awọn aṣọ ni irọrun gigun;gẹgẹbi omi ti o ni omi asọ, o ni ipa ti o dara ti omi ti o dara ati pe o tun le mu ipa ti omi ti o wa ni ipilẹ fluoride ati epo epo.
2. Awọn resini polyurethane ati awọn resin polyurea ti a ṣe lati DDI ti ko ni awọ-ofeefee, elasticity ti o dara julọ ati ductility, agbara giga, ifamọ omi kekere, ati abrasion resistance ti o dara, iṣeduro kemikali kemikali ati iwọn otutu kekere.
3.DDI ni ibaramu ti o dara julọ ati ifaseyin pẹlu polybutadiene ti opin hydroxyl, ati polima ti a pese sile laisi ṣiṣu ṣiṣu ni lile kekere lainidii.
4. Awọn ideri polyurea ti o da lori DDI ni ibamu daradara si irin ati igi, laisi awọn dojuijako, ati ṣafihan awọn ohun-ini fifẹ ti o dara julọ, awọn ohun-ini ifaramọ ati resistance oju ojo.
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