Nkag siab txog kev tsim cov ntxhiab tsw thiab cov kev daws teeb meem hauv iav ntev Fiber Reinforced Polypropylene (LGFPP) Cov Cheebtsam

Taw qhia

Ntev iav Fiber Reinforced Polypropylene (LGFPP)tau tshwm sim los ua cov khoom cog lus rau kev siv tsheb vim nws qhov tshwj xeeb lub zog, nruj, thiab lub teeb yuag. Txawm li cas los xij, qhov kev sib tw tseem ceeb cuam tshuam nrog LGFPP cov khoom yog lawv txoj kev nyiam ua kom muaj ntxhiab tsw ntxhiab. Cov ntxhiab tsw tuaj yeem tshwm sim los ntawm ntau qhov chaw, suav nrog lub hauv paus polypropylene (PP) resin, iav fibers ntev (LGFs), coupling agents, thiab cov txheej txheem txhaj tshuaj molding.

Qhov chaw ntawm tsw hauv LGFPP Cheebtsam

1. Base Polypropylene (PP) Resin:

Kev tsim cov PP resin, tshwj xeeb tshaj yog los ntawm txoj kev degradation peroxide, tuaj yeem qhia cov peroxides seem uas ua rau muaj ntxhiab tsw. Hydrogenation, lwm txoj hauv kev, tsim PP nrog cov ntxhiab tsw thiab cov khoom seem.

2. Ntev iav Fibers (LGFs):

LGFs lawv tus kheej yuav tsis tawm cov ntxhiab tsw, tab sis lawv cov kev kho saum npoo nrog cov neeg ua haujlwm sib txuas tuaj yeem qhia cov tshuaj tsw qab.

3. Coupling Agents:

Cov khoom sib txuas, qhov tseem ceeb rau kev txhim kho qhov adhesion ntawm LGFs thiab PP matrix, tuaj yeem ua rau muaj ntxhiab tsw. Maleic anhydride grafted polypropylene (PP-g-MAH), tus neeg sawv cev sib txuas ua ke, tso cov ntxhiab tsw ntxhiab txiv neej anhydride thaum tsis muaj kev cuam tshuam tag nrho thaum lub sijhawm tsim khoom.

4. Txhaj Molding Txheej Txheem:

Kev txhaj tshuaj molding kub thiab siab tuaj yeem ua rau thermal degradation ntawm PP, tsim cov ntxhiab tsw ntxhiab xws li aldehydes thiab ketones.

Cov tswv yim los txo cov ntxhiab tsw hauv LGFPP Cheebtsam

1. Kev xaiv cov khoom siv:

• Siv hydrogenated PP resin kom txo qis peroxides thiab ntxhiab tsw.
• Xav txog lwm cov coupling agents los yog optimize PP-g-MAH grafting txheej txheem kom txo tau unreacted maleic anhydride.

2. Txheej txheem Optimization:

• Txo qhov kub thiab txias ntawm kev txhaj tshuaj molding kom txo tau PP degradation.
• Ua haujlwm zoo pwm venting kom tshem tawm cov volatile tebchaw thaum molding.

3. Kev kho tom qab ua tiav:

• Siv cov tshuaj tsw qab los yog cov tshuaj adsorbents los ua kom tsis zoo lossis ntes cov ntxhiab tsw molecules.
• Xav txog kev kho ntshav plasma lossis corona los hloov kho qhov chaw chemistry ntawm LGFPP cov khoom, txo cov ntxhiab tsw.

Xaus

LGFPP muab cov txiaj ntsig tseem ceeb rau kev siv tsheb, tab sis cov teeb meem tsw tuaj yeem cuam tshuam nws txoj kev siv dav dav. Los ntawm kev nkag siab txog cov peev txheej ntawm cov ntxhiab tsw thiab siv cov tswv yim tsim nyog, cov tuam txhab lag luam tuaj yeem txo cov ntxhiab tsw zoo thiab txhim kho tag nrho cov kev ua tau zoo thiab kev thov ntawm LGFPP cov khoom.