Claims
- 1. A printable dielectric composition comprising:
- (a) 25-35% wt. finely divided particles of an inorganic adhesion agent selected from talc, mica and mixtures thereof dispersed in
- (b) 75-65% wt. curable liquid composition comprising:
- (1) 20-50% wt. acrylated diene rubber-modified epoxy resin oligomer;
- (2) 5-25% wt liquid elastomeric acrylated polydiene oligomer different from b-1 ; and
- (3) 35-75% wt. alkyl acrylate.
- 2. A printable dielectric composition comprising:
- (a) 25-35% wt. finely divided particles of an inorganic adhesion agent selected from talc, mica and mixtures thereof dispersed in
- (b) 75-65% wt. curable liquid composition comprising:
- (1) 20-50% wt. acrylated diene rubber-modified epoxy resin oligomer;
- (2) 5-25% wt. liquid elastomeric acrylated polybutadiene oligomer different from b-1;
- (3) 30-60% wt. monofunctional alkyl acrylate; and
- (4) 5-15% wt. difunctional alkyl acrylate.
- 3. The composition of claim 2 in which the proportions of the components in the curable liquid composition are:
- (1) 35-45% wt.
- (2) 7.5-15% wt.
- (3) 35-45% wt.
- (4) 7.5-15% wt.
- 4. The composition of claim 1 which contains up to 5% wt. inert pigment.
- 5. The composition of claim 1 which is UV curable and contains 0.1-10% wt. photoinitiator.
- 6. The composition of claim 1 in which the inorganic particles are treated with a silane coupling agent.
- 7. The composition of claim 1 which contains additionally 0.1-2.0% wt. by weight of a printing aid.
CROSS-REFERENCE TO RELATED APPLICATION
This application is a continuation-in-part of co-pending U.S. patent application Ser. No. 916,329 filed Oct. 7, 1986, now abandoned.
US Referenced Citations (4)
Foreign Referenced Citations (1)
Number |
Date |
Country |
1151789 |
Aug 1983 |
CAX |
Continuation in Parts (1)
|
Number |
Date |
Country |
Parent |
916329 |
Oct 1986 |
|