1,Anti-as agent
1.1 Hkum hkrang asak kaba wa ai hpe pat shingdang ai tsi
Paraffin wax hpe hkum hkrang n-gun n-rawng ai hku nna lang chye ai, dai gaw ozone hte anti - asak kaba wa ai. Rubber hpe n-gun jaw ai shaloi, dai hta lawm ai paraffin wax gaw, katsi mat ai hpang, rubber ntsa de kalang ta htawt sit mat wa nna, nbung hta ozone hpe garan ginhka nna, makawp maga ai makawp maga ai lam ni hte, n-gup magap hpe garan ginhka ai, n-gup n-gu hpe makawp maga ai, galai shai ai lam ni hpe galaw ai. wax gaw shi a molecular structure hta bungli galaw ai hpung law law nga ai (ga shadawn, carboxyl hpung, hydroxyl hpung, etc.){5}} Galai shai ai makawp maga ai wax a makawp maga ai atsam gaw, shinggyim masha ni a makawp maga ai wax hta na 1{8}5~3 lang grau law ai.
1.2 Chemical hpe ninghkap ai tsi
Synthetic rubber galaw ai hta lang ai madung antiaging agents ni gaw amine hte quinoline antiaging agents.Mung shawa amyu bawsang ni gaw n-gun n rawng ai 4020,4010 NA hte RD{4}}Mungkan a 80% jan hpe ninghkap ai 80% jan hpe hkam la lu ai ndai n-gun rawng ai n-gun dat ni hpe n-gun jaw ai lam ni rai nga ai.
1970 ning kaw nna, shi a galaw shapraw ai lam hpe grai shayawm kau nna, dai hpe pat hkum da ai mungdan ni gaw, shi a n hkru n kaja ai lam hte carcinogenicity a majaw, n-gun n rawng ai ni law law nga ai.
Miwa mungdan a asak kaba wa ai agent RD gaw, radial tyre rubber a madung n-gun ja ai ni hta na langai mi tai wa sai, dai arung arai a akyu rawng ai lam gaw 2, 2, 2, 2, {4}trimethyl{5}, 2,2-dihydraxyquinoline dimer, grau nna dimer hpe ninghkap ai bungli gaw grai kaja ai, dai majaw dimer content{8}}}} ]Anti-aging agent aing performance gaw grai kaja ai, grai kaja ai, 2, magri hte kaga magri ions ni gaw n-gun ja ai pat shingdang ai lam nga ai, raitim, ozone hte flexor hpe ninghkap lu ai atsam n kaja ai, n-gun ja ai AW (sh) phenylenediamine hpe ninghkap ai n-gun hpe shayawm ya lu ai (in ati-aging agent 4020) hte kaga lang ai lam hpe ninghkap ai tsi ni hte kaga jai lang ai lam gaw, AW 4010, shi a akyu hpe jat ya lu ai..