Le fausaga faavae o le suauu silicone

Uiga fa'avae 1:

noataga fa'ama'i Siloxilicone bond (Si-O-Si):tete'e malulu, compressibility, maualalo ausa mamafa, physiological ininertia / vevela tetee, mumu tetee, oxidation tetee, korona tetee, arc tetee, irradiation tetee, dielectric tetee, tau tetee.

Silicon carbon bond (Si-C):tete'e malulu, compressibility, maualalo ausa mamafa, physiological inert / luga gaoioiga, hydrophobic, tatala, defosion.
Fa'atulagaga o lo'o fa'atusalia e lua: fa'aulufalega e fa

Fauga uiga tolu: silicon methyl vaega e taua

Methyl silicon carbon bond o le silicon carbon bond bond; O le i ai o le silicone methyl e tuʻuina atu ai le suauʻu silicone mea uiga ese; O ituaiga uma o suauʻu silicone e maua mai i le suauu methyl silicone; O le suauʻu silicone faʻasolosolo e faaigoa i vaega e ese mai i vaega methyl.

Fa'avasegaga o le suauu sili

Suau'u silicone inert:i le faʻaaogaina masani e le auai i vailaʻau faʻamaʻi, e sili atu le faʻaogaina o mea faʻaletino o le suauʻu silicone, nai lo mea tau vailaʻau. E pei o: methyl silicone suauu, phenyl silicone suauu, polyether silicone suauu, umi alkyl silicone suauu, trifluoropropyl silicone suauu, suauu ethyl silicone, ma isi.

Suau'u silicone Reactive: ei ai se vaega fa'aalia manino, e masani ona a'afia i gaioiga fa'a-kemikolo i le fa'aaogaina.
E pei o: suauʻu hydroxysilicone, suauʻu vinyl silicone, suauʻu hydrogen silicone, suauʻu silicone amino, sulfhydryl silicone suauu. O le suauu silikon o se ituaiga faʻapitoa o le suauʻu suauʻu faʻatasi ai ma le kasa carbon bond ma le silicon silicon bond. Silicon methyl e maua ai le gaioiga i luga, hydrophobic, ma le faʻamalolo; fausaga silicon e maua ai le mautu (inert) ma mea lelei eletise.

Fa'atomuaga masani suau'u silicone
suauu methylsilicone
Fa'amatalaga:O vaega uma o meaola i totonu o le fausaga mole o vaega methyl.
Vaega:mautu lelei vevela; dielectric lelei; hydrophobicity; viscosity ma ta'uleagaina. Le pisinisi sili ona taua, suauu silicone (201, DC200, KF 96, TSF451).
Sauniuniga auala:Saunia e ala i le faʻaogaina o le tali tutusa.
Fa'ailoga o lona uiga:o le viscosity e masani ona faʻaaogaina e fai ma sui o le polymerization o le suauu silicone, o le viscosity e faʻaaogaina e iloagofie ai oloa, o le faʻaauauina o le faʻaogaina o le viscosity methyl silicone suauu i lalo ole 50mPa.s.
Mea e saunia ai:50mPa.s Suau'u methylsilicone Commercial, hexamethyldisiloxane (sui ulu), macroporous acid cationic resin.
faiga moli.
Mea faigaluega sauniuni:o se koluma tali e tumu i resini, se masini moli moli.
Fa'agasologa puupuu:Fa'afefiloi le suau'u methyl silicone ma le sui fa'amavae i se vaega e ala i le koluma tali, ma moli e maua ai le suauu silikoni mae'a.

o lo'o iai le suāu'u hydrogen silicone.

Suau'u silicone fa'afoliga o lo'o iai le fa'amauga Si-H (KF 99, TSF484)
E lua iunite fa'avae masani:

Sauniuniga ile auala paleni ole acid:

Fa'aoga autu:fa'aopopoga fa'akosi hydrogen mea mata, mea fa'aopoopo pa'u silikoni, so'o su'esu'e le susu.

Amino silicone suauu
Fa'amatalaga:o se suau'u silicone reactive o lo'o i ai se vaega amino hydrocarbon.
Vaega masani faufale:

Fa'aoga autu:fa'auma ie, sui fa'asa'olotoga, mea teuteu, suiga fa'aola.

Vinyl silicone suauu

Vaega masani faufale:

Sauniuniga o le tali tutusa:

Fa'aaogā:Fa'aaoga le vinyl mo le kelu fa'avae ma suiga fa'aola.

Suau'u Hydroxysilicon
Fa'amatalaga:polysiloxane.
Metotia fa'apipi'i maualuga-molekala-mamafa:

Metotia mo le fa'aogaina o le mamafa o le molekalale:

Fa'atauga suau'u hydroxyl silicone:
107 fa'apipi'i:maualuga molecular mamafa hydroxysilicone suauu (viscosity o 1000mPa.s luga), e pei o le pa'u faavae (e aofia ai vaega phenyl o 108 pipii).
Suau'u hydroxyl mole maualalo:hydroxyl anotusi o le sili atu nai lo le 6%, fa'atonu fa'atonu so'o, fluorinated suau'u hydroxyl mo le fa'atonuina o le pulea o le pa'u fluorosilicone.
Ituaiga laina:viscosity 100mPa.s ~ 1000mPa.s, masani ona faʻaaogaina e faʻapipiʻi ai le suauʻu silicone suia.

Phenyl silicone suauu

Fa'aaogāina ole suāu'u phenyl silicone:Ole maualuga ole phenyl ole suauʻu silicone e faʻaaogaina ile vevela maualuga ma tulaga faʻafefe. Low phenyl anotusi o le suauʻu silicone maualalo le vevela faatinoga lelei, faʻaaogaina mo manaoga malulu malulu. Ole fua ole suauʻu ole phenyl silicone e matua lautele mai le 1.41 i le 1.58, lea e talafeagai mo faʻaoga ma manaʻoga fua faatatau.
Fa'apitoa ole phenyl silicone oil:

Polyether silicone suauu

Va'aiga lautele:e ala i le eseesega faatinoga o vaega filifili polyether ma vaega filifili polyether, e ala i sootaga vailaau, hydrophilic polyether vaega filifili e tuuina atu lona hydrophilic, polydimethyl siloxane vaega filifili e maua ai le le mautonu i luga, ma le faavaeina o ituaiga uma o gaoioiga i luga, o le taulaiga o le suauu polyethylene silicone suʻesuʻega ma atinaʻe o le suʻesuʻeina o talosaga, auala faʻapipiʻi lautele, suiga o le fausaga faigofie, i le talitonuga e mafai ona faʻapipiʻi le tele o ituaiga o suauu polyether silicone, mai le fausaga e le mafai ona faʻamaonia atoatoa lona faʻatinoga o talosaga, suʻesuʻega talosaga o le taulaiga lea o le galuega.
Fa'aaogāina ole suāu'u polyether silicone:polyurethane foam foaming agent (L580), coating leveling agent (BYK 3 prefix), surfactant (L-77), ie fa'amae'aina sui (fa'amaluluina), vai fa'avae fa'asa'olotoga, antistatic agent, defoaming agent (ituaiga emulsifying oe lava).