Kedu ihe dị iche n'etiti ihe PP na polyester?

1. nyocha ihe

PP ákwà na-abụghị nke a kpara akpa: eriri eji eme ihe na-emepụta ihe na-abụghị nke a kpara akpa bụ polypropylene, nke bụ eriri sịntetị nke enwetara site na polymerization nke propylene.

Polyester ákwà na-abụghị kpara akpa: eriri eji na-abụghị kpara ákwà mmepụta bụ polyester fiber, nke bụ sịntetik eriri enwetara site spinning polyester condensed si organic dibasic acid na diol.

2. Njupụta dị iche iche

PP akwa anaghị kpara akpa: Njupụta ya bụ naanị 0.91g / cm3, nke bụ ụdị kachasị dị mfe n'etiti eriri kemịkal nkịtị.

Polyester na-abụghị akwa akwa: Mgbe polyester bụ amorphous kpamkpam, njupụta ya bụ 1.333g/cm3.

3. Nguzogide ọkụ dị iche iche

PP ákwà na-abụghị nke a kpara akpa: nkwụsi ike ọkụ na-adịghị mma, nguzogide insolation, ịka nká dị mfe na ọnwụ na-agwụ ike.

Polyester na-adịghị kpara akwa: ezigbo nguzogide ọkụ, naanị 60% ike na-efu mgbe 600h ìhè anyanwụ gasịrị.

4. Njirimara thermal dị iche iche

PP ákwà na-abụghị nke a kpara akpa: nkwụsi ike na-ekpo ọkụ na-adịghị mma, ọ dịghị eguzogide ígwè.

Polyester na-abụghị kpara akwa: ezigbo okpomọkụ na-eguzogide, na-agbaze ebe banyere 255 ℃, na kwụsiri ike udi n'okpuru a dịgasị iche iche nke ọgwụgwụ-eji ọnọdụ.

5, dị iche iche alkali iguzogide

Polypropylene anaghị kpara akwa: Polypropylene nwere ezigbo nguzogide kemịkalụ, ma ewezuga soda caustic, polypropylene nwere nguzogide alkali dị mma.

Polyester anaghị kpara akwa: Polyester nwere nguzogide alkali na-adịghị mma, nke nwere ike imebi eriri ahụ mgbe ọ na-emeghachi omume na alkali gbadoro anya na ụlọ okpomọkụ ma na-atụgharị alkali na okpomọkụ dị elu.Ọ bụ naanị ihe kwụsiri ike ịgbanye alkali ma ọ bụ alkali na-adịghị ike na obere okpomọkụ.