PHOTOCURABLE LIQUID POLYENE-POLYTHIOL POLYMER COMPOSITION

• US 3,697,402 A
• Filed: 06/25/1971
• Issued: 10/10/1972
• Est. Priority Date: 06/25/1971
• Status: Expired due to Term

• Current Assignee: Clifton L. Kehr, Walter R. Wszolek
• Original Assignee: Clifton L. Kehr, Walter R. Wszolek
• Inventors: Kehr, Clifton L., Wszolek, Walter R.
• Application Number:
  US05/156,969
• Time in Patent Office: 473 Days
• US Class Current: 522/23
• CPC Class Codes: C08G 18/6715 Unsaturated monofunctional alcohols or amines
• CPC Class Codes: C08G 18/8108 having only one isocyanate or isothiocyanate group
• CPC Class Codes: C08G 18/835 Unsaturated polymers modified by compounds containing a thiol group
• CPC Class Codes: C08G 75/045 from mercapto compounds and unsaturated compounds
• CPC Class Codes: C08G 75/12 Polythioether-ethers C08G75/0245 takes precedence
• CPC Class Codes: G03F 7/0275 with dithiol or polysulfide compounds

Abstract

THE INVENTION DISCLOSED IS FOR A NEW PHOTOCURABLE LIQUID POLYMER COMPOSITION WHICH INCLUDES A LIQUID POLYENE COMPONENT HAVING A MOLECULE CONTAINING AT LEAST TWO UNSATURATED CARBON-TO-CARBON BONDS DISPOSED AT TERMINAL POSITIONS ON A MAIN CHAIN OF THE MOLECULE, A POLYTHIOL COMPONENT HAVING A MOLECULE CONTAINING A MULTIPLICITY OF PENDANT OR TERMINALLY POSITIONED -SH FUNCTIONAL GROUPS PER AVERAGE MOLECULE, AND A PHOTOCURING RATE ACCELERATOR. THE PHOTOCURABLE LIQUID POLYMER COMPOSITION UPON CURING THE PRESENCE OF ACTINIC LIGHT FORMS ODORLESS, SOLID, ELASTOMERIC OR RESINOUS PRODUCTS WHICH MAY SERVE AS SEALANTS, COATINGS, ADHESIVES AND MOLDED ARTICLES.

Claims