chikwangwani_cha tsamba

Mankhwala a Polyurethane

  • Mtengo Wabwino Wopanga D230 CAS: 9046-10-0

    Mtengo Wabwino Wopanga D230 CAS: 9046-10-0

    D230 ndi madzi owonekera bwino, D230 ndi madzi owonekera bwino achikasu kapena opanda mtundu kutentha kwa chipinda. D230 ili ndi ubwino wokhala ndi kukhuthala kochepa, kuthamanga pang'ono kwa nthunzi komanso kuchuluka kwa amine ambiri. D230 imatha kusungunuka mu ethanol, aliphatic hydrocarbons, aromatic hydrocarbons, esters, glycol ethers, ketones ndi madzi.

    Kapangidwe ka Mankhwala: Poly (propylene glycol) bis (2-aminopropyl ether) ndi madzi opepuka achikasu kapena opanda mtundu pa kutentha kwa chipinda, okhala ndi ubwino wa kukhuthala kochepa, kuthamanga pang'ono kwa nthunzi komanso kuchuluka kwa amine, ndipo amasungunuka mu zosungunulira monga ethanol, aliphatic hydrocarbons, aromatic hydrocarbons, esters, glycol ethers, ketones ndi madzi.

    CAS: 9046-10-0

  • Mtengo Wabwino Wopanga Butylal (Dibutoxymethane) CAS: 2568-90-3

    Mtengo Wabwino Wopanga Butylal (Dibutoxymethane) CAS: 2568-90-3

    Butylal (Dibutoxymethane) ndi chosungunulira chopanda halogen komanso chopanda poizoni chomwe chingagwiritsidwe ntchito kusungunula zitsanzo za polyethylene yotsika kwambiri (LDPE) kuti ifufuze kugawa kwa molekyulu pogwiritsa ntchito gel permeation chromatography (GPC). Butylal (Dibutoxymethane) ingagwiritsidwenso ntchito ngati reactant kukonzekera butoxymethyltriphenylphosphonium iodide. Butylal (Dibutoxymethane) imagwiritsidwa ntchito pophatikizana kwa kaboni komanso ngati chofunikira kwambiri pakupanga zinthu zachilengedwe.

    CAS: 2568-90-3

  • UOP MOLSIV™ RZ-4250 Adsorbent

    UOP MOLSIV™ RZ-4250 Adsorbent

    Kufotokozera ndi Kugwiritsa Ntchito

    RZ 4250 adsorbent ndi sefa ya molekyulu yosasinthika yomwe imapangidwa makamaka ndi UOP kuti ichotse madzi m'mitsinje ya hydrocarbon yokhala ndi chlorine popanda kulowetsedwa kwa madzi onyamulira.

  • Mtengo Wabwino Wopanga 2,5,7,10-Tetraoxaundecane CAS: 4431-83-8

    Mtengo Wabwino Wopanga 2,5,7,10-Tetraoxaundecane CAS: 4431-83-8

    Katundu wa katundu: kawiri (2-meter oxygen oxygen) ally ya 2,5,7,10-tetraoxane; formaldehyde 2-nailing aid aldehyde, makhalidwe: madzi opanda mtundu, kachulukidwe: 0,995 g: 0,995 g: 0,995 g /cm3, malo otentha: 60°C 1,5mm, refractive index: 1.414, malo owunikira: 60°C/1.5mm, kusungunuka kwa madzi: Kusakanikirana kwathunthu m'madzi.

    CAS: 4431-83-8

  • Mtengo Wabwino Wopanga ACETYL ACETONE (2,4 PENTANEDIONE) CAS 123-54-6

    Mtengo Wabwino Wopanga ACETYL ACETONE (2,4 PENTANEDIONE) CAS 123-54-6

    ACETYL ACETONE, yomwe imadziwikanso kuti diacetylmethane, pentamethylene dione, ndi yochokera ku acetone, molecular formula CH3COCH2COCH3, yopanda utoto kapena yachikasu yowala yowonekera. ACETYL ACETONE nthawi zambiri imakhala chisakanizo cha ma tautomers awiri, enol ndi ketone, omwe ali mu dynamic equilibrium. Ma isomers a Enol Chemicalbook amapanga ma hydrogen bond mu molekyulu. Mu chisakanizocho, keto imakhala pafupifupi 18%, ndipo alkenes Alcohol form imakhala 82%. Yankho la petroleum ether la chisakanizocho linaziziritsidwa mpaka -78°C, ndipo mawonekedwe a enol adasinthidwa kukhala olimba, kotero kuti awiriwa adalekanitsidwa; pamene mawonekedwe a enol adabwerera kutentha kwa chipinda, ACETYL ACETONE idakhala yokha mu mkhalidwe wofanana ndi womwe uli pamwambapa.

    Mawu ofanana :acetyl;Acetyl2-propanone;acetyl-2-propanone;acetyl2-propanone;acetyl-aceton;CH3COCH2COCH3;pentan-2,4-dione;Pentanedione

    CAS: 123-54-6

  • Mtengo Wabwino Wopanga SILANE (A172) vinyltris(beta-methoxyethoxy)silane CAS: 1067-53-4

    Mtengo Wabwino Wopanga SILANE (A172) vinyltris(beta-methoxyethoxy)silane CAS: 1067-53-4

    Vinyltris (beta-methoxyethoxy)silane ndi cholumikizira cha vinyl chomwe chimalimbikitsa kumamatira pakati pa ma resin osakhuta, amtundu wa polyester kapena ma resin a polyethylene olumikizidwa kapena ma elastomers ndi zinthu zopanda chilengedwe, kuphatikizapo galasi la ulusi, silica, silicates ndi ma oxides ambiri achitsulo. Ikagwiritsidwa ntchito ngati cholumikizira, Vinyltris (beta-methoxyethoxy)silane imachepetsa kukhudzidwa kwa mphamvu zamakanika ndi zamagetsi za zinthuzo ku kutentha ndi/kapena chinyezi.

    CAS: 1067-53-4

  • Mtengo Wabwino Wopanga SILANE (A187) [3-(2,3-Epoxypropoxy) propyl] trimethoxysilane CAS: 2530-83-8

    Mtengo Wabwino Wopanga SILANE (A187) [3-(2,3-Epoxypropoxy) propyl] trimethoxysilane CAS: 2530-83-8

    [3-(2,3-Epoxypropoxy) propyl] trimethoxysilane ndi silane yogwira ntchito ya epoxy, [3-(2,3-Epoxypropoxy) propyl] trimethoxysilane ndi madzi opepuka komanso owoneka bwino. [3-(2,3-Epoxypropoxy) propyl] trimethoxysilane ingagwiritsidwe ntchito ngati cholumikizira mu polysulfide ndi polyurethane caulks ndi sealants, mu thermosets zodzazidwa ndi mchere kapena zolimbikitsidwa ndi galasi ndi thermoplastics, komanso mu zomangira zazikulu zozungulira magalasi. [3-(2,3-Epoxypropoxy) propyl] trimethoxysilane imagwiritsidwa ntchito makamaka ngati chowonjezera cholimbikitsira kumatira m'machitidwe oyenda m'madzi, mwachitsanzo kukonza kumatira kwa acrylic latex sealants.

    CAS: 2530-83-8

  • Mtengo Wabwino Wopanga Tetrahydrofuran CAS:109-99-9

    Mtengo Wabwino Wopanga Tetrahydrofuran CAS:109-99-9

    Tetrahydrofuran (THF) ndi madzi opanda mtundu, osasunthika okhala ndi fungo lofanana ndi la ethereal kapena acetone ndipo amatha kusakanikirana m'madzi ndi zinthu zambiri zachilengedwe. Tetrahydrofuran (THF) imatha kuyaka kwambiri ndipo imatha kuwola kutentha kukhala carbon monoxide ndi carbon dioxide. Kusungidwa kwa nthawi yayitali pokhudzana ndi mpweya komanso popanda antioxidant kungayambitse THF kuwola kukhala ma peroxide ophulika.

    CAS: 109-99-9

  • Mtengo Wabwino Wopanga Hardlen CY-9122P CAS: 8442-33-1

    Mtengo Wabwino Wopanga Hardlen CY-9122P CAS: 8442-33-1

    Hardlen CY-9122P ili ndi kuyandikana kwakukulu kwa zinthu zoyambira za polyetryonne. Ndi polyaline yoyezera mamolekyulu ochepa yomwe ili ndi kusintha kwapadera kwa asidi, komwe kumagwirizana bwino ndi ma resin ena. Nthawi zambiri imagwiritsidwa ntchito mu utoto wakumbuyo wa bumper yamagalimoto ya PP/EPDM, imatha kukhala ndi zotsatira zabwino kwambiri popanda kukonzedwa kale (monga malawi a plasma ndi chithandizo cha pamwamba pa solvent).

    CAS: 68442-33-1

  • Mtengo Wabwino Wopanga FORMAMIDE CAS: 75-12-7

    Mtengo Wabwino Wopanga FORMAMIDE CAS: 75-12-7

    Formamide ndi amide yochokera ku formic acid yokhala ndi molekyulu ya HCONH₂. Formamide ndi madzi opanda mtundu, osakanikirana ndi madzi, ndipo ali ndi fungo lofanana ndi ammonia. Amagwiritsidwa ntchito makamaka popanga mankhwala a sulfa Chemicalbook, mavitamini opangidwa ndi zofewetsa mapepala ndi ulusi. Formamide yoyera imatha kusungunula mankhwala ambiri a ionic osasungunuka m'madzi ndipo chifukwa chake imagwiritsidwanso ntchito ngati chosungunulira.

    Mawu ofanana: Formidicacid; Formylamide; HCONH2; methanoicacid, amide; METANAMIDE; FORMIC AMIDE; FORMIC ACID AMIDE; FORMAMIDE

    CAS: 75-12-7