Polasetiki ea foam ke e 'ngoe ea mefuta e meholo ea thepa ea maiketsetso ea polyurethane, e nang le litšobotsi tsa porosity, ka hona, letsoalo la eona le lenyane, mme matla a lona a ikhethang a phahame. Ho ea ka lisebelisoa tse fapaneng tse tala le foromo, e ka etsoa polasetiki ea foam e bonolo, e sa tenyetseheng le e thata.
Foam ea PU e sebelisoa haholo, e batla e kenella likarolong tsohle tsa moruo oa naha, haholo meaho ea thepa ea ka tlung, ea ho robala, ea lipalangoang, ea sehatsetsi, ea kaho, ea ho koala le lits'ebetso tse ling tse ngata.
Foam ea polyurethane e sebelisoa haholo ho thepa ea ka tlung, lintho tsa ho robala le lihlahisoa tsa lapeng, joalo ka lisofa le litulo, mesamo ea mekokotlo, limmete le mesamo.
Ka tlhahiso le ts'ebeliso ea 'nete, lihlahisoa tsena hangata li tlameha ho feta litlhokahalo tse phahameng tsa ho hanyetsa bosehla le ho tima malakabe. Khamphani e fana ka litlatsetso tse fapaneng li ka thusa ho ntlafatsa ts'ebetso ea sehlahisoa.
Khamphani e ka fana ka litlatsetso tse tlatsetsang tsa foam tsa PU:
| LIEKETSENG TS'ELISO | SEhlahisoa | CAS | MOHAPI MOHAPI | SEBELISO |
| UV mosireletsi | YIHOO UV1 | Ho pharaletseng sebelisoa ka Pu, sekgomaretsi, bubble le thepa e 'ngoe. | ||
| YIHOO UV571 | TINUVIN 571 | E sebelisoa ka mokhoa o pharalletseng ho koaeleng ha PUR ea thermoplastic le polasetiki ea foam e thata, polychloride e thata ea polasetiki, PVB, PMMA, PVDC, EVOH, EVA, mocheso o phahameng o phekola polyester e sa tšeloang mali le PA, PET, PUR le PP fiber e oelang AIDS. | ||
| YIHOO UV B75 | TINUVIN B75 | Motsoako oa UV o kopaneng, o sebelisoang haholo ho PU, sekhomaretsi kapa seaparo sa PUR, joalo ka seile, lesela la motheo le letlalo la maiketsetso. | ||
| LIEKETSENG MOTLATSI | YIHOO AN333 | JP333E | Phenol e se nang antioxidant, e sebelisoang e le mocheso o thusang mocheso ho PVC, e ntlafatsa mmala le ponaletso ea lihlahisoa tsa PVC. E ka sebelisoa le lisebelisuoa tsa rabara le PU ho ntlafatsa ho tsofala ha lihlahisoa. | |
| YIHOO AN340 | Phenol mahala antioxidant, e ka sebelisoa haholo ho PVC, ABS, SBR, CR jj. | |||
| LIEKETSENG LIAKU | YIHOO FR950 | / | Chlorinated phosphate ester lelakabe retardant, haholo-holo a loketse bakeng sa lelakabe retardant Pu bubble. E ka thusa ho fetisa California 117 standard, FMVSS302 standard of spongebob koloi, British standard 5852 Crib 5 and other lelakabe retardant teko litekanyetso tsa hae. FR950 ke sebali se loketseng sa malakabe ho nkela TDCPP (carcinogenicity) le V-6 (e nang le carcinogen TCEP). |
Ho fana ka li-additives tsa polymer lits'ebetsong tse ikhethileng haholoanyane, k'hamphani e thehile letoto la lihlahisoa tse koahelang likopo tse ka tlase ho lits'ebetso: PA polymerization & additives, li-additives tse nang le lehulo tsa PU, li-polymerization tsa PVC le li-additives tse fetotsoeng, li-additives tsa PC, li-additives tsa TPU elastomer, li-low VOC tsa likoloi tse khabisitsoeng ka masela li-additives tsa moemeli, li-additives tsa ho roala, lisebelisoa tsa litlolo, API le lihlahisoa tse ling tsa lik'hemik'hale tse kang zeolite jj.
O amohelehile ho ikopanya le rona bakeng sa lipotso!
