×

Photocurable ethylenically unsaturated sulfide and polysulfide polymer compositions

  • US 5,407,972 A
  • Filed: 08/02/1993
  • Issued: 04/18/1995
  • Est. Priority Date: 08/02/1993
  • Status: Expired due to Fees
First Claim
Patent Images

1. A photocurable modified liquid sulfide or polysulfide polymer composition comprising a) a curing initiator consisting of a photoinitiator or a peroxide curing agent;

  • and b) the reaction product of a hydroxy terminated sulfide or polysulfide oligomer having the formula;

    
    
    space="preserve" listing-type="equation">HO--CH.sub.2 --CH.sub.2 --[S--(S).sub.x --CH.sub.2 CH.sub.2 ].sub.y --OHwherein x=0 to 1, y=1 to 100 and having a molecular weight from 1000 to 8000 with a photocurable ethylenically unsaturated compound in stoichiometric ratios from 0.3 to about 1.1 per hydroxyl group.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×