Flame—retardant resin was prepared by the condensation and polymerization of phosphoric acid, trihydroxy methyl propane and epoxy chloropropane, the resin was then reacted with hexane diacid and diglycol under certain condition, resulting in polyol containing 1.5% P and 17— 18% polyester polyol, which was foamed with polyisocyanate, water and catalyst by one— step method, producing fire...
通过磷酸、三羟甲基丙烷和环氧氯丙烷的缩合和聚合反应制得阻燃树脂，然后将它与己二酸、一缩二乙二醇在一定条件下反应制得含P1.5%和含Cl17～18%的聚酯多元醇，再将它与多异氰酸酯、水、催化剂等组分采用一步法发泡工艺制得阻燃聚氨酯软泡塑料。
Flame— retardant resin was prepared by the condensation and polymerization of phosphoric acid, trihydroxy methyl propane and epoxy chloropropane, the resin was then reacted with hexane diacid and diglycol under certain condition, resulting in polyol containing 1.5% P and 17— 18% polyester polyol, which was foamed with polyisocyanate, water and catalyst by one— step method, producing fire—resistant PU soft foam.
通过磷酸、三羟甲基丙烷和环氧氯丙烷的缩合和聚合反应制得阻燃树脂，然后将它与己二酸、一缩二乙二醇在一定条件下反应制得含P1.5%和含Cl17～18%的聚酯多元醇，再将它与多异氰酸酯、水、催化剂等组分采用一步法发泡工艺制得阻燃聚氨酯软泡塑料。
The process of rotational foaming molding of liquid reactive resin was studied, with unsaturated polyester resin as the shell of unfoamed resin moulded part, and polyurethane as foamed core layer.
以不饱和聚酯树脂作为非发泡树脂成型制品的外壳，用聚氨酯树脂发泡形成泡沫芯层，研究了液体反应树脂的旋转模塑发泡成型泡沫夹层制品的工艺过程。
The properties, applications, industrial market and its forecast of wood-plastic composites, and the technology and development tendancy of foamed wood-plastic composites were reviewed. The advantages, foaming agents, base resin, wood fiber and commercialized products were emphatically introduced.
综述了塑木复合材料性能、应用、市场及其预测和发泡塑木复合材料技术、发展动向，重点介绍了发泡塑木复合材料的优点、发泡剂、基础树脂、木纤维和工业化产品。
As the numerous application of FA resin adhesives and urea foamed plastics, formaldehyde becomes the main pollutants of indoor air.
含醛树脂粘合剂和脲醛泡沫塑料的大量应用，甲醛成为了室内空气中的主要污染物。
A new sound absorbing foamed compound mainly made from PVC resin, EPR and rockwool has been investigated by foaming process.
以PVC树脂、EPR和岩棉为主要原材料用发泡方法制成了一种中低频吸声性能优良的新型泡沫吸声材料。
The present invention adopts polyvinyl perchloride and organosilicon modified acrylic resin as main filming material and adds cyanuramide phosphate and expanding graphite into common polytriammonium phasphate as fireproof assistant to constitute foaming material. The present invention has greatly raised foaming rate and the foamed layer has thickness of 30-50 times the original coating thickness and fireproof limit up to 90 min.
本发明采用高氯化聚乙烯和自行合成的有机硅改性丙烯酸酯树脂为主要成膜物质，并在通常所用的聚磷酸铵类防火助剂的基础上，加入三聚氰胺磷酸盐和可发性膨胀石墨作为发泡材料组成，大大提高了涂层的发泡率，发泡层厚度可达原涂层厚的30～50倍，耐火极限可达90min(涂层厚度2mm)。
Finely the applications of CPVC resin in pipe, anticorrosion equip ˉ ment, electronic components, foamed plastics, CPVC composite, CPVC/PVC blends and CPVC/ABS blends were also mainly described.
并重点介绍了氯化聚氯乙烯树脂在管材、化工防腐设备、电子电器元件、泡沫材料、CPVC复合材料、CPVC/PVC共混物、CPVC/ABS共混物等方面的应用。