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- The semi rigid package system features Bemis EZ Peel?Reseal film, an advanced peelable technology that exposes a pressure sensitive layer when the consumer opens the package. 半刚性包装系统的功能比米斯易剥离?重新封装薄膜,先进的剥离技术,暴露了压力感应层当消费者打开包。
- The progress of the polyurethane rigid foam used in roof trimming of minicar is reviewed. 概述了微型汽车顶内饰用硬质聚氨酯泡沫塑料的状况。
- The role of polyoxyethylene triol,rosin polyester polyol and asphalt in the asphalt-polyurethane rigid foam was stressed. 重点介绍了聚氧乙烯三醇、松香芳烃聚酯多元醇在配方中的作用。
- The cellulosic fiber was used as the reinforcement of PU/epoxy interpenetrating network rigid foam to improve the mechanical properties. 纤维素纤维作为聚氨酯/酚醛环氧树脂互穿网络硬质泡沫塑料的增强材料,以提高物理力学性能。
- The product got qualified properties at all norms for rigid foam composite, such as, for refrigerators, freezers, rigid boards, etc. 产品的各项性能均达标,可广泛用于冰箱、冰柜、板材等硬泡组合料。
- The PF/PU copolymer rigid foam was prepared from resol,polyol,isosyanates.The processing conditions of resol were researched.Flame retardancy and athemancy of product were characterized. 在多元醇中掺入甲阶酚醛树脂,与异氰酸酯反应,可以获得具有PF阻燃性和PU绝热性能的PF/PU共聚硬质泡沫塑料。介绍了甲阶酚醛树脂制备方法,并对其合成工艺、反应条件控制等进行了较详尽的探讨。
- By selecting or synthesising polyether polyol, and changing rigid foam formulations, the application of benzoic acid anhydride polyester polyols in polyurethane rigid foam is introduced in this paper. 通过选择或合成聚醚多元醇,调整聚氨酯泡沫配方,介绍了苯酐聚酯多元醇在聚氨酯硬泡中的应用。
- Discussion on the semi rigid base of high-grade highway 高等级公路半刚性基层探讨
- Rigid foam rubber heat insulating material 硬质泡沫橡胶绝热材料
- A Study on Non-flammable of PIR Rigid Foam Plastics 难燃低烟型PIR泡沫塑料的研制及应用
- FBW modified polyurethane rigid foam FBW改性聚氨酯
- Quality control of 'two ashes'in semi rigid road surface construction 半刚性路面施工中二灰土的质量控制
- high density polyurethane rigid foam plastics 高密度聚氨酯硬泡塑料
- Application of Semi Rigid Trailing to Ram Air Turbine Performance Calculating 半刚性尾涡在冲压空气涡轮性能计算中的应用
- This paper deals with the production and properties of iso-pentane blown PU rigid foams,and safety control. 本文将详细讨论异戊烷发泡聚氨酯硬泡的生产和泡沫性能及安全控制。
- The properties of pentanes are indroduced briefly. The safety of pentane blown rigid foams for appliance is discussed. 简要介绍了戊烷发泡剂的性能,讨论了戊烷在冰箱硬泡发泡中的安全使用问题。
- polyurethane rigid foam is sprayed 现喷硬泡聚氨酯
- Study on Asphalt Pavement for Semi Rigid Base of High Class Highway in the Middle Southern Zone of China 中南片区高等级公路半刚性基层沥青路面典型结构的研究
- The surface of the water is full of foam. 水面都是泡沫。
- Research on the Bituminous Pavement Performance of Semi Rigid Base under the Accelerated Loading Facility(ALF) 半刚性基层沥青路面性能的加速加载试验研究