介绍了原料、配方、工艺、设备等因素对采用化学发泡剂进行PVC发泡挤出成型的影响，对实际生产有一定的指导意义。
The influence of the materials, recipe, technology and equipments on extrusion of PVC foam by using chemical foamer are introduced. And it is significant for practical production.
根据发泡立体印花浆中发泡剂不同，发泡立体印花可分为物理发泡立体印花和化学发泡立体印花。
Raised foaming printing can be classified as physical foaming printing and chemical one according to the variety of foaming agents used in the printing paste.
化学发泡法制备隔热耐火砖是将发泡剂直接拌入原料中，使其发生化学反应产生气体，在砖内形成小气泡。
Chemical bubbling method is adding bubbling agent into raw material, making the agent reacting with the materials to produce gas and therefore forming small bubble in the brick.
综述了无臭氧层破坏的冰箱化学品的研究开发进展，着重指出二甲醚具有多方面的优点，是一种极有发展前景的致冷剂和发泡剂。
The paper reviews research and development progresses on non ozone depleting refrigerator chemicals, and points out many advantages of dimethyl ether (DME).
根据发泡剂发气过程原理的不同，可以分为物理发泡和化学发泡两大类。
According to different principles of gas process, it can be divided into physical foaming and chemical foaming.
UNIFOAMAZ是以偶氮二碳酸酯为主要成分的大冢化学有机热分解型发泡剂的总称。
UNIFOAM AZ epitomizes Otsuka Chemical?s organic temperature decomposition-type foaming agent, which is mainly composed of Azodicarbonamide.
UNIFOAMAZ是以偶氮二碳酸酯为主要成分的大冢化学有机热分解型发泡剂的总称。
UNIFOAM AZ epitomizes Otsuka Chemical?s organic temperature decomposition-type foaming agent, which is mainly composed of Azodicarbonamide.
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