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비닐 아세트산-비닐 부티랄-비닐 알코올 중합체

비닐 아세트산-비닐 부티랄-비닐 알코올 중합체
비닐 아세트산-비닐 부티랄-비닐 알코올 중합체 구조식 이미지
카스 번호:
27360-07-2
한글명:
비닐 아세트산-비닐 부티랄-비닐 알코올 중합체
동의어(한글):
비닐아세트산-비닐부티랄-비닐알코올중합체;비닐아세트산-비닐부티랄-비닐알코올중합체(VINYLACETATE-VINYLBUTYRAL-VINYL...
상품명:
POLY(VINYL BUTYRAL)
동의어(영문):
BUTVAR B-98;BUTVAR(R) BR;BUTVAR(R) RS 3120;VINYL BUTYRYL POLYMER;POLY(VINYL BUTYRAL) 920;POLY(VINYL BUTYRAL) 800;POLY(VINYL BUTYRAL) 630;POLY(VINYL BUTYRAL) 2,400;POLY(VINYL BUTYRAL) 2,000;POLY(VINYL BUTYRAL) 1,000
CBNumber:
CB8275873
분자식:
C14H24O5
포뮬러 무게:
272.33736
MOL 파일:
27360-07-2.mol

비닐 아세트산-비닐 부티랄-비닐 알코올 중합체 속성

밀도
1.083 g/mL at 25 °C (lit.)
굴절률
n20/D 1.485
용해도
alcohols, glycol ethers and dioxane: soluble
물리적 상태
powder
EPA
Acetic acid ethenyl ester, polymer with 1,1-bis(ethenyloxy)butane and ethenol (27360-07-2)

안전

위험품 표기 Xi
위험 카페고리 넘버 36/37/38
안전지침서 26-36
WGK 독일 3
RTECS 번호 TR4955000
기존화학 물질 KE-00030

비닐 아세트산-비닐 부티랄-비닐 알코올 중합체 C화학적 특성, 용도, 생산

용도

Ceramic binder, dry toners, wood coatings, composite fiber binders, structural adhesives and interlayer in safety glass.

제조 방법

Poly(vinyl butyral) may be prepared by dissolving poly(vinyl alcohol) (PVA) in a mixture of water and methanol and adding butyraldehyde and a small amount of sulfuric acid as a condensation agent and heating to 60°-70°C. The best quality poly(vinyl butyral) is stabilized by slurrying in alkali in order to prevent viscosity changes and discolorization. Urea is also used to stabilize the pH to about 1.5.
Some processes involve saponifying poly(vinyl acetate) (PVAc) to PVA with aqueous hydrochloric acid; butyraldehyde is then added directly. The resulting poly(vinyl butyral) solution is neutralized and the product precipitated with water, washed, and dried.

비닐 아세트산-비닐 부티랄-비닐 알코올 중합체 준비 용품 및 원자재

원자재

준비 용품


비닐 아세트산-비닐 부티랄-비닐 알코올 중합체 공급 업체

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