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- Phthalonitrile Prepolymer 邻苯二甲腈预聚物
- The solubility and viscocity of prepolymer have been investigated. 探讨了预聚体与烯类单体的相溶性及相应溶液的粘度;
- FT-IR was employed to characterize oligomers and prepolymer. 采用了红外光谱(IR)对低聚物和预聚体进行了表征;
- The structure and dual bond content of prepolymer have been analysed by IR. 用红外光谱法解析了预聚体的结构特征及双键的含量;
- No plugging in evaporator happens during distillation of TDI from prepolymer. 合成的预聚物在分离过程中未见堵塞设备现象。
- In this paper, we adopt prepolymer method to synthesize casting PU elastomer. 本文采用预聚物法合成浇注型聚氨酯弹性体。
- Oxotitanium phthalocyanine was synthesized from phthalonitrile and titanium te-trachloride in bicyclohexyl. 酞菁氧钛以联环己烷为溶剂,以邻苯二脂及四氯化钛直接反应生成。
- RESULTS The fragment benzenmethyloxy phthalonitrile and desire title product were obtained. 结果合成了分子碎片3苯甲氧基邻苯二甲腈和四苯甲氧基酞菁锌配合物。
- An emulsive adhesive for wood edge splice was made of a grafted copolyemer PVAc and an isocyanate prepolymer. 本文采用接枝共聚改性聚醋酸乙烯乳液和制备异氰酸酯预聚体生产出集成材工业用拼接胶粘剂。
- The effects of prepolymer, active diluent and photosensitize on coating modification was discussed. 在预聚物、活性稀释剂和光敏剂等方面讨论了该涂料的改性。
- Adopted liquid polysulfide prepolymer cured at high temperature for sealing cap at the first time. 首次采用液体聚硫橡胶制成预聚体再高温硫化成型,压制新型聚硫橡胶密封帽制品。
- A kind of punching machine spring was developed by using polyester prepolymer, MOCA as raw materials. 以聚酯型预聚体和MOCA为原料研制了一种冲床弹簧。
- The release reaction of blocked prepolymer was discussed and the release temperature was determined. 探讨了封闭物的解封反应,确定其解封温度。
- A basic synthesis process of non-yellowing polyurethane adhesive by prepolymer method is introduced. 介绍预聚体法合成不黄变聚氨酯胶黏剂的基本工艺。
- One-component PU adhesives were prepared from the blocked prepolymer and hydroxyl group-containing prepolymer. 以封闭型预聚体和含羟基预聚体为主要原料制备得单组分聚氨酯(PU)胶粘剂。
- Cyanate resin(CE) modified by prepolymer of bismaleimide(BMI) with different contents were prepared. 利用双马来酰亚胺的预聚体(BMI)对氰酸酯树脂(CE)进行改性。
- The preparation of prepolymer for soft PU elastomer and its application were investigated. 对软质PU弹性体用预聚体及使用技术进行研究。
- When termination occurs partly by disproportionation, the prepolymer chains in the product carry branches as well as cross-links. 当终止反应一部分是由歧化所起时,则在产物中预聚物链不但带有交联也带有支链。
- The content of free-TDI in prepolymer is lowered by directly synthesizing allophanate based on the adjusted formulation and process. 通过调整配方和工艺,由脲基甲酸酯直接合成法降低预聚物中游离TDI的含量。
- The result indicated that the prepolymer had good dissolubility in acetone and good reserved stability under room temperature. 研究结果表明,室温下该预聚体在丙酮中具有优良的溶解性及良好的贮存稳定性。