EP 0027706 A1 19810429 - Latex bound non-asbestos paper.
Title (en)
Latex bound non-asbestos paper.
Title (de)
Durch Latex gebundenes nicht-asbesthaltiges Papier.
Title (fr)
Papier sans amiante, lié par un latex.
Publication
Application
Priority
GB 7936393 A 19791019
Abstract (en)
Non-asbestos paper alternatives to latex-bound asbestos papers comprise vitreous fibres derived from wool-form material, organic web-forming fibres, unfired ball clay and water-insoluble non-fibrous particulate inorganic filler, the whole being bound together by a cured nitrile rubber; said paper being made by dewatering as a layer on a water-permeable conveyor an aqueous slurry whose solids content comprises by weight vitreous wool-form material 20-40% organic web-forming fibres 5-15%, ball clay 5-20% nitrile rubber 10-20%, and inorganic non-fibrous filler 5-50%, and compressing and drying the layer of dewatered slurry.
IPC 1-7
IPC 8 full level
C09K 3/10 (2006.01); D21H 13/40 (2006.01); D21H 17/00 (2006.01); D21H 17/35 (2006.01); D21H 17/37 (2006.01); D21H 17/51 (2006.01); D21H 17/68 (2006.01)
CPC (source: EP)
D21H 13/40 (2013.01); D21H 17/00 (2013.01); D21H 17/35 (2013.01); D21H 17/37 (2013.01); D21H 17/51 (2013.01); D21H 17/68 (2013.01)
Citation (search report)
- US 2773763 A 19561211 - SCOTT WYLMER L
- GB 1107413 A 19680327 - UNITED STATES GYPSUM CO
- GB 2001371 A 19790131 - REDCO SA
- GB 818652 A 19590819 - ARMSTRONG CORK CO
Designated contracting state (EPC)
BE DE FR GB IT NL
DOCDB simple family (publication)
EP 0027706 A1 19810429; BR 8006648 A 19810422; ES 496022 A0 19811001; ES 8107350 A1 19811001; JP S5668198 A 19810608
DOCDB simple family (application)
EP 80303570 A 19801009; BR 8006648 A 19801015; ES 496022 A 19801017; JP 14556180 A 19801017