Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond
Patent
1991-03-12
1992-07-14
Cannon, James C.
Stock material or miscellaneous articles
Structurally defined web or sheet
Discontinuous or differential coating, impregnation or bond
156 624, 156167, 156181, 1563082, 428141, 428296, 428297, B32B 1102, D04H 314, D04H 316
Patent
active
051301784
ABSTRACT:
There is described a support web for roofing membranes which comprises a spunbonded made of polyester filaments. The spunbonded has a basis weight of from 50 to 100 g/m.sup.2 coupled with a filament denier of from 1 to 8 dtex and has been consolidated with a fusible binder. This produces a high tear propagation resistance and nail pullout strength and also good dimensional stability at high temperatures. The spunbonded support web is therefore particularly suitable for bitumenized roofing membranes.
Kaulich Franz
Schops Michael
Wagner Hans
Weiter Bertrand C.
Zerfass Karl-Christian
Cannon James C.
Hoechst Aktiengesellschaft
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