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Manner null in order the plastic sheet, adjusts the sheet adhesion of the lamination transparent plate glass and this kind of transparent plate glass, at the same time to decrease the adhesion of this kind of sheet
Manner null in order the plastic sheet, adjusts the sheet adhesion of the lamination transparent plate glass and this kind of transparent plate glass, at the same time to decrease the adhesion of this kind of sheet
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机译:方式为无塑料片,调整层压透明平板玻璃和这种透明平板玻璃的片粘合性,同时减少这种片的粘合性
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摘要
A plastic sheet (10), preferably of plasticized partial polyvinyl butyral, for a laminated safety glazing (10), having means dispersed on its surface, preferably comprising a multiplicity of spaced projections (56), capable of resisting adhesion to a rigid panel (52, 54), such as glass, of such a glazing when the sheet is laminated to the panel, the area of the sheet surface without such dispersed means having high affinity for adhesion. The projections physically block adhesion of a dispersed area of the sheet to the panel in that the means on the sheet surface have no or weak interfacial adhesion. The multiplicity of space projections also have low or no affinity for adhesion when in blocking contact with each other or with another plasticized partial polyvinyl butyral surface and thereby increase blocking resistance. Also, a laminated glazing (10) having improved impact strength comprising a), b) and c) in sequence: a) a glass layer (52); b) a plasticized layer (10) containing partial polyvinyl butyral; c) another glass layer (54); and d) means (56) dispersed on the surface of at least one of the foregoing layers capable of resisting adhesion to the layer with which it is in contact, the area without said dispersed means of said at least one of the foregoing layers having high affinity for adhesion to the layer with which it is in contact; said laminated glazing at a specific pummel adhesion having a greater mean break height than that of a laminated glazing containing layers a), b) and c) but without d).
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