Skin-shaped product of aminoplast resin mixture and fibrous material

DETAILED DESCRIPTION We claim: 1.
Skin-shaped product comprising an aminoplast resin mixture which is the reaction product of an amino compound with formaldehyde and further including fibrous material, characterized in that the resin mixture has a viscosity of 25 Pa.
s-15.
10.
sup.
3 Pa.
s at 120.
degree.
C.
in the skin-shaped product and that the fibrous material in the form of a fleece or a mat has a strength of 0.
1 MPa-20 MPa at 20.
degree.
C.
2.
Product according to claim 1, characterized in that the product comprises 30-95 wt% resin mixture and 5-70 wt% fibrous material.
3.
Product according to claim 1, characterized in that the resin mixture has a viscosity of 50 Pa.
s-5000 Pa.
s at 120.
degree.
C.
4.
Product according to claim 1, characterized in that the fibrous material has a strength of 1 MPa-10 MPa (at 20.
degree.
C.
).
5.
Product according to claim 1, characterized in that the resin mixture contains 10-70 wt% fillers and 30-90 wt% resin.
6.
Product according to claim 1, characterized in that glass fibre is used as fibrous material.
7.
Product according to claim 1, characterized in that melamine is used as said amino compound.
8.
Process for the production of a skin-shaped product by impregnating fibrous material in the form of a mat or a fleece with an aminoplast resin mixture which is the reaction product of an amino compound with formaldehyde, characterized in that the fibrous material has a tensile strength of more than 0.
1 MPa and that the impregnated material is dried, until the aminoplast resin mixture has a viscosity of more than 25 Pa.
s.
9.
Product obtained with the process according to claim 8.
10.
Moulded part obtained with the aid of a product according to claim 1.




Description:
The invention relates to a skin-shaped product comprising an aminoplast resin mixture which is the reaction product of an amino compound with formaldehyde, and further including fibrous material.
Such a skin-shaped product is described in EP-A-51060 and is used to produce insulation boards