tayyorishlar

Synthesis and propertes and uses of polyvrethanes

xom ashyopoliuretansintezmexanik xususiyatlarpolimer
7 betPPTX47 ko'rildi0 marta sotilgan
5 000 so'm
Brend Uz
Brend Uz2232 ta hujjat sotilgan

Tavsif

Poliuretanlarning sintezi jarayonlari poliol va izosiyanat birikmalarining reaksiyasidan tashkil topadi. Ushbu jarayon ikki asosiy bosqichni o'z ichiga oladi. Reaksiya harorati odatda 25-80°C oralig'ida bo'lib, katalizatorlar qo'shilishi orqali tezlashtirilishi mumkin

Hujjat haqida

Kategoriya
Taqdimotlar | Kimyo
Format
PPTX
Hajmi
7 bet
Fayl hajmi
11.08 MB
Muallif
Brend Uz
Qo'shilgan
21.04.2026

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