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Subatmospheric morphology control process used for extrusion of extruded polymer foam and parts formed therefrom
Subatmospheric morphology control process used for extrusion of extruded polymer foam and parts formed therefrom
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机译:低于大气压的形态控制方法,用于挤出聚合物泡沫及其制件的挤出
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摘要
A method of sub-ambient pressure processing of blow-molded polymer foams and skin-over-foam sandwich panel configurations for lightweight components having improved structural properties. The method can create either skinned or un-skinned foams that offer smooth interior and exterior surfaces, zero or controlled surface porosity, skins of pre-defined thickness, and foam cells that are expanded and oriented normal to the material plane, effectively spherical or polyhedral in nature, and offering improved bending and compressive strength.
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