I-Trimethylolpropane (efinyeziweyo njenge-TMP)

I-Trimethylolpropane (TMP) yimathiriyeli ekrwada yekhemikhali ebaluleke kakhulu enokusetyenziswa kakhulu, imimandla ejikelezayo efana ne-alkyd resins, i-polyurethanes, i-resins ezingaxutywanga, i-polyester resins, kunye neengubo. Ukongeza, i-TMP isetyenziswa ekudibaneni kwezithambisi zokuhamba ngenqwelomoya, ii-inki zokuprinta, kwaye isebenza njengento encedisayo yelaphu kunye ne-thermal stabilizer ye-polyvinyl chloride (PVC) resins.

Njengekhonkco elisetyenziswa ngokubanzi kwishishini le-resin, i-TMP yimveliso ephambili eqhuba ukuphuculwa kweshishini lecandelo le-polyols. Ubume bayo obukhethekileyo be-molecular buyinika indawo ephantsi yokunyibilika kunye neempawu ze-polyol ezifana ne-glycerol. I-TMP ayinakuthatha indawo ye-glycerol kuphela ekudityanisweni kwe-alkyd resins kodwa ikwadibanisa nezinye ii-polyols ezifana ne-neopenyl glycol kunye ne-pentaerythritol, iphinde ihlukanise iindidi ze-alkyd resins. Oku kuguquguquka konyusa ukusebenza kunye nokuguquguquka kweemveliso ezisekwe kwintlaka, kuqiniswa indima ebalulekileyo ye-TMP ekuqhubeleni phambili izinto ezintsha kunye nempumelelo yosetyenziso kuwo wonke amashishini.

I-Alkyd resins elungiselelwe usebenzisa i-TMP ibonisa ukuxhathisa okugqwesileyo kwe-hydrolysis, ukuzinza kwe-oxidation, ukuxhathisa kwe-alkali, kunye nokuzinza kwe-thermal, kubenza ukuba bafaneleke kakhulu ukuvelisa iipeyinti zokumakisha zendlela. Zikwasetyenziswa kakhulu xa kusenziwa ipeyinti ye-topcoat yeemoto, iifriji, oomatshini bokuhlamba iimpahla, kunye nezinye izixhobo zasekhaya. Ngaphaya koko, i-TMP idlala indima ebalulekileyo kwiinkqubo zemveliso yee-surfactants, ii-agent zokumanzisa, iziqhushumbisi, iiplasticizers, iplastiki eyomelezwe nge-fiberglass, i-rosin esters, i-aviation lubricants ekumgangatho ophezulu, i-fiber processing agents, ii-inki zokuprinta, kunye namagwebu e-polyurethane, esebenza njenge-resin chain extender, i-textile encedisayo ye-VCC.

Izinto eziphuma kwi-TMP zifumana usetyenziso olubanzi kuzo zonke iinkalo ezininzi, zisebenza njengee-arhente ezidibanisayo, ii-arhente zokunyanga, ii-emulsifiers, ii-agent zokukhulula, kunye ne-catalysts. Bakwaqeshwa ekwenzeni i-electrode ye-membrane yolwelo kunye nokukhetha okuphezulu kwee-ion zesodium.

I-TMP isetyenziswa ikakhulu njengesixhobo sokuvelisa ii-agent zokunyanga ze-PU, ukudibanisa iingubo ze-UV, kunye nokwenza i-alkyd resins ezikumgangatho ophezulu. E-China, ukusetyenziswa kwayo kubalwa ngaphezu kwe-70% yokusetyenziswa kwasekhaya kwe-trimethylolpropane. Ukongezelela, i-TMP idlala indima ebalulekileyo ekuveliseni i-polyester resins kunye ne-titanium dioxide.

I-TMP ibambe indawo esembindini ekudibaneni kweereyini ze-alkyd eziphezulu, eziqhele ukusetyenziswa kwiipeyinti zeemoto zeprimiyamu kunye neearhente zokunyanga iipeyinti nee-inki. Njengoko umgangatho weemveliso kumashishini eemoto kunye nezixhobo zasekhaya zaseTshayina uqhubeka nokuphucuka, imfuno yokugquma yomgangatho ophezulu iye yanda kakhulu. Kwangaxeshanye, imimiselo engqongqo yokusingqongileyo iqhube ukukhula okuqhubekayo kwimfuno yeearhente zokunyanga iifoto. Ngenxa yoko, imfuno ye-TMP kulindeleke ukuba ibe nokukhula okukhulu kwiminyaka ezayo.