Polyurethane Prepolymer

Dedicated los ua lub ntiaj teb no tus nqi-zoo tshaj plaws ntawm polyurethane prepolymer

 

Shandong Beiqiao Tshiab Khoom Technology Co., Ltd. Quasi 3 tivthaiv system, PMEG ob leeg Poly Ether thiab Poly Ester, Hardness feem ntau yog los ntawm 60-95 Qhia A

Kev paub tag nrho

Nrog ntau tshaj nees nkaum xyoo ntawm kev lag luam kev paub thiab muaj kev nkag siab tob txog cov castable polyurethane elastomer

Pab neeg tshaj lij

Peb muaj pab pawg kws tshaj lij, pab pawg QC thiab pab pawg muag khoom, uas tuaj yeem muab kev pabcuam tshaj lij rau koj raws sijhawm ntau li ntau tau

Tau customized

Cov neeg siv khoom tshwj xeeb thov yuav ib txwm xav txog, tsuas yog qhia peb koj cov kev xav tau.

Cov khoom siv technology siab tshaj plaws

Siv cov thev naus laus zis tshaj plaws tubular nruam cov tshuaj tiv thaiv, kom ntseeg tau qhov zoo thiab ruaj khov ntawm cov tshuaj.

 

 

BEIQIAO polyurethane prepolymer

 

 

- Polyester / TDI system PU pre-polymer

- Polyether / TDI system PU pre-polymer

- PTMEG/TDI system PU pre-polymer

- Quasi MDI-terminated polyester system

- Quasi MDI-terminated PTMEG system

- Polycaprolactone system polyurethane ua ntej-polymer

- Casting polyurethane pre-polymer rau skate log

- MDI rau kev tsim cov polyurethane elastomers

- PU pwm kua nplaum

........

Daim ntawv thov scenarios
 

 

productcate-376-376
Polyester raws li
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Polyether BASED
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Ptmeg raws
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PCL raws
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Solvent resistance system
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Lwm qhov chaw

 

FAQ

Q: Dab tsi yog qhov zoo ntawm BEIQIAO polyurethane prepolymer?

A: Lub sijhawm ntev gel
Siab tensile zog
Tsawg abrasion

Q: Dab tsi yog Polyurethane Prepolymer?

A: Polyurethane prepolymer yog cov khoom nruab nrab hauv kev tsim cov polyurethane. Nws yog tsim los ntawm ib nrab cov tshuaj tiv thaiv ntawm polyol (ib yam khoom uas muaj ntau pawg hydroxyl) nrog ntau tshaj ntawm diisocyanate. Cov prepolymer no feem ntau muaj reactive isocyanate (NCO) cov pab pawg kawg thiab yog siv los tsim ntau yam khoom polyurethane los ntawm kev rov ua dua nws nrog kev kho lossis cov saw txuas ntxiv.

Q: Dab tsi yog cov yam ntxwv tseem ceeb ntawm polyurethane prepolymers?

A: 1.Composition:
Polyol: tuaj yeem yog polyester polyol lossis polyether polyol.
Diisocyanate: Feem ntau diisocyanates suav nrog toluene diisocyanate (TDI), methylene diphenyl diisocyanate (MDI), thiab hexamethylene diisocyanate (HDI).
2.Reactive End Pawg:
Lub prepolymer muaj reactive isocyanate pawg (NCO) uas tuaj yeem hnov ​​​​mob nrog lwm cov tebchaw (feem ntau polyols lossis amines) los tsim cov khoom polyurethane kawg.
3.Viscosity:
Prepolymer tuaj yeem muaj qhov sib txawv ntawm qhov qis mus rau siab viscosity nyob ntawm lawv cov formulation thiab npaj daim ntawv thov.

Q: Dab tsi yog qhov kev siv ntawm PU prepolymer?

A: 1.Used los ua castable elastomers nrog siab resilience thiab toughness, xws li industrial log, rollers, thiab seals.
2.Used nyob rau hauv ob qho tib si nruj thiab saj zawg zog polyurethane ua npuas ncauj formulations rau daim ntaub ntawv xws li rwb thaiv tsev, cushions, thiab ntim.
3.Siv rau lawv cov khoom muaj zog sib txuas thiab yoog raws.
4.Ua hauj lwm nyob rau hauv kev tiv thaiv txheej rau pem teb, automotive qhov chaw, thiab ntau yam lwm yam nto.

Q: Dab tsi yog qhov zoo ntawm PU prepolymer?

A: 1. Cov khoom ntawm polyurethane prepolymers tuaj yeem raug txiav los ntawm kev sib txawv ntawm cov polyol thiab diisocyanate hom, tso cai rau ntau yam khoom siv thiab lub cev hauv cov khoom kawg.
2.Products ua los ntawm polyurethane prepolymers paub txog lawv zoo heev puas kuj, toughness, thiab load-bearing muaj peev xwm.
3. tuaj yeem siv rau ntau yam kev siv thoob plaws kev lag luam sib txawv, los ntawm kev siv tsheb mus rau kev tsim kho rau cov khoom siv.

Q: Dab tsi yog tubular nruam tshuaj tiv thaiv tshuab los tsim cov polyurethane prepolymer?

A: 1. Cov khoom siv raw yuav tsum tau npaj rau hauv ib qho piv txwv
2. Cov ntaub ntawv nyoos feem ntau yuav tsum tau tov ua ntej nkag mus rau hauv tubular reactor
3. Cov khoom sib xyaw ua ke dhau los ntawm cov tubular reactor thiab undergo polymerization raws li preset kub, siab thiab lub sij hawm.
4. Thaum lub sij hawm cov tshuaj tiv thaiv, cov tshuaj tiv thaiv kub yuav tsum tau tswj nruj me ntsis kom ntseeg tau tias cov tshuaj tiv thaiv polymerization tuaj yeem ua tau zoo thiab tswj cov khoom zoo.
5. Thaum cov tshuaj tiv thaiv tiav lawm, cov khoom yuav ntws tawm ntawm lub reactor los ntawm cov kav dej. Cov khoom yuav xav tau kev ua haujlwm ntxiv, xws li cua txias, solidification lossis sib cais.

Q: Dab tsi yog cov txheej txheem ntau lawm rau tubular nruam tshuaj tiv thaiv tshuab rau polyurethane prepolymer?

A: Raw materials --> feed pump --> mixer --> tubular reactor --> reactor outlet pump --> cooler -->khoom

 

Pob
 

 

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Raws li ib qho ntawm cov kws tshaj lij polyurethane prepolymer tuam ntxhab thiab cov muag khoom hauv Suav teb, peb tau tshwj xeeb los ntawm cov khoom zoo thiab cov kev pabcuam zoo. Thov so assured mus yuav high-qib polyurethane prepolymer los ntawm peb lub hoobkas.