Keeb kwm kev hloov pauv hauv cov khoom siv PVC

1. 1838 - Tshawb nrhiav cov khoom siv PVC: Qhov kev tshawb pom ntawm cov khoom siv PVC tau pib hauv xyoo 1838, thaum tus kws tshawb fawb Fab Kis Victor Reginoz nrhiav pom cov khoom siv dawb dawb, uas yog cov khoom siv PVC ua ntej.

2. 1926 - Synthesis of PVC cov ntaub ntawv: Hauv xyoo 1926, German chemist Walter Bock tau tsim ib txoj hauv kev los tsim cov khoom siv PVC, txhawb kev txhim kho cov ntaub ntawv PVC.

3. 1960s - Kev lag luam ntawm cov khoom siv PVC: Hauv xyoo 1960, cov ntaub ntawv PVC tau pib ua lag luam thiab siv dav, tso lub hauv paus rau kev hloov pauv ntawm cov ntaub ntawv PVC.

4. 1990s - Kev txhim kho ntawm PVC flooring: Hauv xyoo 1990, PVC flooring pib siv dav. Nws cov yam ntxwv ntawm kev ua lub teeb yuag, yooj yim los tswj, thiab ib puag ncig tus phooj ywg tau hloov pauv kev siv cov khoom siv hauv pem teb thiab dhau los ua qhov tseem ceeb hauv kev hloov pauv ntawm cov ntaub ntawv PVC. node.

5. Thaum ntxov xyoo pua 21st - Daim ntawv thov ntawm PVC cov ntaub ntawv nyob rau hauv lub tsev: Thaum pib ntawm lub xyoo pua 21st, cov ntaub ntawv PVC pib siv nyob rau hauv lub tsev, xws li kev loj hlob ntawm PVC steel kav, PVC yas steel daim hlau thiab lwm yam khoom, uas. ua cov khoom siv PVC ntau dua thiab ua kom pom nws txoj kev loj hlob muaj peev xwm hauv kev tsim kho kev lag luam.