1) Urea permeation performance
改性脲醛膜
2) modified urea-formaldehyde resin
改性脲醛树脂
1.
Research on a novel modified urea-formaldehyde resin with water-proof and heat-resistance;
耐水耐热型改性脲醛树脂的研制
2.
The paper introduces the decorative three-ply wood for the exhibition made by impregnating modified urea-formaldehyde resin and hot pressing,the reason that causes much flexibility of this sheet during the piling at room temperature and the inquiry about the modification of the above-mentioned urea-formaldehyde resin with an acrylic resin.
介绍由改性脲醛树脂浸胶热压工艺制得的装饰展板在存放中翘曲度变大的原因,并探讨了用丙烯酸树脂对其对性。
3) Modified UF resin
改性脲醛树脂
1.
Relationship between syntheticprocess and gluing property of modified UF resin
改性脲醛树脂合成工艺与胶合性能的关系
2.
Primary factors analysis was used in this paper to analyze the factors affected the main guidelines such as the content of free formaldehyde,the solid content and storage stability in the synthesis process of modified UF resins using starchy oxide as the modifier.
采用主因子分析法探讨了氧化淀粉改性脲醛树脂的合成工艺中,影响游离甲醛含量、固含量、贮存稳定性等技术指标的主要因素。
4) Urea Modified Starch Adhesive
脲醛改性淀粉胶
5) modified urea formaldehyde
改性脲醛浆液
6) modified urea-formaldehyde resin quaternary ammonium salt
改性脲醛树脂季铵盐
1.
Synthesis of modified urea-formaldehyde resin quaternary ammonium salt and its flocculation chemical property;
改性脲醛树脂季铵盐的合成及其絮凝化学性质研究
补充资料:脲醛树脂胶黏剂
分子式:
CAS号:
性质:尿素和甲醛反应生成的水溶性初期缩合物。作胶黏剂时,主要用于胶合板生产。典型胶的浓度约50%,含10~20份小麦粉,固化剂氯化铵1~2份。粘接单板,冷压1h后110~120℃热压,热压时间随胶合板厚度而定。脲醛树脂胶黏剂还用于碎料板生产和木工。木工用的是浓度65~70%的胶。脲醛树脂胶黏剂有各种改性方法,如尿素与甲醛反应时拼用聚乙烯醇和甲醇,使黏度上升,稳定性提高。添加尿素、蛋白质等捕醛剂减少残存甲醛含量。添加玻璃粉等耗酸的填料提高胶的耐老化性。本工用胶还常与醋酸乙烯树脂乳液并用,提高性能。脲醛胶黏剂也有粉状供应。
CAS号:
性质:尿素和甲醛反应生成的水溶性初期缩合物。作胶黏剂时,主要用于胶合板生产。典型胶的浓度约50%,含10~20份小麦粉,固化剂氯化铵1~2份。粘接单板,冷压1h后110~120℃热压,热压时间随胶合板厚度而定。脲醛树脂胶黏剂还用于碎料板生产和木工。木工用的是浓度65~70%的胶。脲醛树脂胶黏剂有各种改性方法,如尿素与甲醛反应时拼用聚乙烯醇和甲醇,使黏度上升,稳定性提高。添加尿素、蛋白质等捕醛剂减少残存甲醛含量。添加玻璃粉等耗酸的填料提高胶的耐老化性。本工用胶还常与醋酸乙烯树脂乳液并用,提高性能。脲醛胶黏剂也有粉状供应。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条