Title:
PRODUCTION OF COMPOSITE MATERIAL
Document Type and Number:
Japanese Patent JPS5394605
Kind Code:
A
Abstract:
COMPOSITE MATERIAL.. A composite material in semi-finished or finished form. Semi-finished material comprises cellulose fiber structure, and evenly distributed throughout said structure, a polymer material being constituted by solid discrete particles or fibers having polymer at least at their surfaces, the polymer being a water-insoluble solid synthetic polymer which is film-forming at temperatures above 80.degree.C, said particles or fibers of polymer material being bound in the composite material by means of a polyelectrolyte, and optionally inorganic particles or fibers of minerals or metals, including hydraulic binders. In finished form, film-forming properties of polymer have been elicited by application of energy. Finished products may be soft, elastic or hard materials or shaped articles. Process for preparing the material comprises co-flocculating polymer material and optionally inorganic material with cellulose fiber pulp by means of polyelectrolyte, and de-watering resulting suspension on a paper making machine. Finished product is obtained from semi-finished product by application of heat and usually pressure. S 1
Inventors:
KIERUDO HORUBETSUKU
Application Number:
JP14560877A
Publication Date:
August 18, 1978
Filing Date:
December 03, 1977
Export Citation:
Assignee:
HOLBEK KJELD APS
International Classes:
B32B23/02; C08J5/24; C08J7/02; C08J9/08; D21H13/36; D21H17/34; D21H21/52; E04D3/18; E04D3/32; E04F15/18; (IPC1-7): D21H3/38; D21H5/18