Litaba

Silicone masterbatchke mofuta oa tlatsetso indastering ea rabara le polasetiki. Theknoloji e tsoetseng pele lefapheng la li-additives tsa silicone ke tšebeliso ea "ultra-high molecular weight (UHMW) silicone polymer (PDMS) ka li-resin tse fapaneng tsa thermoplastic, tse kang LDPE, EVA, TPEE, HDPE, ABS, PP, PA6, PET, TPU. , HIPS, POM, LLDPE, PC, SAN, joalo-joalo 'Me e le li-pellets e le ho lumella ho eketsoa ha bonolo ka ho toba ho thermoplastic nakong ea ts'ebetso. ho kopanya ts'ebetso e ntle haholo le theko e tlase. Silicone masterbatch e bonolo ho fepa, kapa ho kopanya, ka har'a lipolasetiki nakong ea ho kopanya, extrusion kapa ente. E molemo ho feta oli ea boka ba setso le li-additives tse ling ho ntlafatsa ho thella nakong ea tlhahiso. Ka hona, li-processor tsa polasetiki li khetha ho li sebelisa ka tlhahiso.

Likarolo tsaSilicone Masterbatch additiveho Ntlafatsa Ts'ebetso ea Plastiki

Silicone masterbatch ke e 'ngoe ea likhetho tse tsebahalang haholo bakeng sa li-processor tsa polasetiki le ntlafatso ea boleng ba bokaholimo. Joalo ka mofuta oa mafura a holimo. E na le mesebetsi e latelang ea mantlha ha e sebelisoa ka resin ea thermoplastic:

A. Ntlafatsa phallo ea resin le ho sebetsa;

Molemo oa ho tlatsa hlobo le thepa ea ho lokolla hlobo

Fokotsa torque ea extrude le ho ntlafatsa sekhahla sa extrusion;

B. E ntlafatsa boleng ba bokaholimo ba resin

Ntlafatsa bokaholimo ba polasetiki, tekanyo e boreleli, 'me u fokotse coefficient ea likhohlano tsa letlalo, Ntlafatsa ho hanyetsa ho roaloa le khanyetso;

'Me silicone masterbatch e na le botsitso bo botle ba mocheso (mocheso oa ho bola oa mocheso o ka bang 430 ℃ ka nitrogen) le ho se falle;

Tšireletso ea tikoloho;

Tšireletseho ea ho kopana le lijo.

Re tlameha ho supa hore mesebetsi eohle ea silicone masterbatches ke ea A le B (lintlha tse peli tse kaholimo tseo re li thathamisitseng) empa ha se lintlha tse peli tse ikemetseng empa

ba tlatsana, 'me ba amana haufi-ufi.

Liphello lihlahisoa tsa ho qetela

Ka lebaka la litšoaneleho tsa sebopeho sa limolek'hule tsa siloxane, litekanyetso li nyane haholo hoo ka kakaretso ha ho na litlamorao ho thepa ea mochini ea lihlahisoa tsa ho qetela. ho bua ka kakaretso, ntle le bolelele le matla a ts'usumetso a tla eketseha hanyenyane, ho se na liphello ho thepa e meng ea mochine. Ka tekanyo e kholo, e na le phello ea synergistic le li-agent tse thibelang malakabe.

Ka lebaka la ts'ebetso ea eona e tsotehang ka ho hanyetsa mocheso o phahameng le o tlaase, e ke ke ea e-ba le litla-morao ho hanyetsa mocheso o phahameng le o tlaase oa lihlahisoa tsa ho qetela. ha phallo ea resin, ts'ebetso, le thepa ea bokaholimo e tla ntlafatsoa ho hlakile mme COF e tla fokotseha.

Mokhoa oa ts'ebetso

Li-silicone tse hloahloake polysiloxane ea boima bo phahameng ba molek'hule e qhalakantsoeng ka har'a li-resin tse tsamaisang tse fapaneng e leng mofuta oa tšebetso ea masterbatch. Ha ultra-high molek'hule boimali-silicone masterbatchesli kenngoa ka har'a polasetiki bakeng sa li-nonpolar tsa tsona le ka matla a tlaase a holim'a metsi, e na le mokhoa oa ho fallela holim'a polasetiki nakong ea ho qhibiliha; athe, kaha e na le boima bo boholo ba molek’hule, ha e khone ho tsoa ka ho feletseng. Kahoo re e bitsa kutloano le bonngoe pakeng tsa ho falla le ho se falle. ka lebaka la thepa ena, lera le matla la lubrication le thehoa pakeng tsa bokaholimo ba polasetiki le screw.

Ha ts'ebetso e ntse e tsoela pele, lesela lena la lubrication le lula le tlosoa le ho hlahisoa. Kahoo phallo ea resin le ts'ebetso e ntse e ntlafala khafetsa mme e fokotsa hona joale ea motlakase, torque ea lisebelisoa le ho ntlafatsa tlhahiso. Kamora ho sebetsoa ha li-twin-screw, li-silicone masterbatches li tla ajoa ka ho lekana ka polasetiki ebe li etsa karoloana ea oli ea 1 ho isa ho 2-micron tlasa microscope, likaroloana tseo tsa oli li tla fa lihlahisoa ponahalo e ntle, maikutlo a matle a letsoho, COF e tlase, le ho feta. ho ngangeha le ho hana ho kwata.

Ho tloha setšoantšong re ka bona hore silicone e tla fetoha likaroloana tse nyenyane ka mor'a hore e hasane ka polasetiki, ntho e le 'ngoe eo re lokelang ho e bontša ke hore dispersibility ke index ea bohlokoa bakeng sa li-silicone masterbatches, tse nyenyane tsa likaroloana, ho ajoa ka mokhoa o ts'oanang, phello e ntle. re tla fumana.