Radiation curable can coating composition
阅读：454发布：2023-09-15
专利汇可以提供Radiation curable can coating composition专利检索，专利查询，专利分析的服务。并且Radiation curable coating compositions for metal containers comprising a radiation curable oil having at least two radiation sensitive sites per molecule, a flow control additive and a reactive solvent selected from the group consisting of acrylic acid and mixtures of acrylic acid with another acrylic monomer.，下面是Radiation curable can coating composition专利的具体信息内容。
1. A RADIATION CURABLE COMPOSITION FOR METAL CONTAINERS WHICH COMPRISES FROM ABOUT 10-78% BY WEIGHT OF A RADIATION CURABLE OIL WHICH IS THE REACTION PRODUCT OF UP TO ABOUT ONE MADE OF A LONG CHAIN FATTY ACID, AND AT LEAST 1,5 MOLES OF ACRYLIC ACID, WITH ONE MOLE OF A LOW MOLECULAR WEIGHT POLYFUCTIONAL MATERIAL SELECTED FROM THE GROUP CONSISTING OF POLYOLS AND POLYEPOXY RESINS, SAID POLYFUCTIONAL MATERIAL HAVING A FUCTIONALITY OF AT LEAST ABOUT 2.5, SAID RADIATION CURABLE OIL HAVING ABOUT TWO TO ABOUT SIX RADIATION SENSITIVE ACRYLATE GROUPS PER 100 MOLECULAR WEIGHT, AND AN AVERAGE MOLECULAR WEIGHT BETWEEN 300 AND 2000, FROM ABOUT 2-40% BY WEIGHT OF A FLOW CONTROL ADDITIVE, AND FROM ABOUT 20-80% BY WEIGHT OF A SOLVENT, SAID SOLVENT BEING SELECTED FROM THE GROUP CONSISTING OF ACRYLIC ACID AND MIXTURES OF ACRYLIC ACID WITH ANOTHER ACRYLIC MONOMER HAVING SURFACE TENSION NO HIGHER THAN ABOUT 45 DYNES PER CM, SAID ACRYLIC ACID COMPRISING AT LEAST 20% BY WEIGHT OF SAID COATING COMPOSITION, SAID COATING COMPOSITION BEING SUBSTANTIALLY FREE OF NON-CONVERTING SOLVENTS.
2. A RADIATION CURABLE COATING COMPOSITION FOR METAL CONTAINERS WHICH COMPRISES FROM ABOUT 10-78% BY WEIGHT OF A MIXTURE OF A RADIATION CURABLE OIL AND RADIATION CURABLE OLIGOMER, SAID RADIATION CURABLE OIL BEING THE REACTION PRODUCT OF ACRYLIC ACID OR METHACYRYLIC ACID AND A VEGETABLE OIL DERIVATIVE AND HAVING FROM ABOUT 2 TO ABOUT 6 RADIATION SENSITIVE SITES PER 1.000 MOLECULAR WEIGHT AND AN AVERAGE MOLECULAR WEIGHT BETWEEN ABOUT 300 AND 2,000, SAID RADIATION CURABLE OLIGNER HAVING AN ACRYLATE FUCTIONALITY OF AT LEAST 2 AND AN ACRYLATE EQUIVALENT WEIGHT OF NO MORE THAN ABOUT 300, SAID MIXTURE CONTAINING FROM ABOUT 0.5 TO ABOUT 3 PARTS BY WEIGHT OF A RADIATION CURABLE OLIGNER FOR EACH PART BY WEIGHT OF RADIATION CURABLE OIL, FROM ABOUT 2-40% BY WEIGHT OF A FLOW CONTROL ADDITIVE, AND FROM ABOUT 20-80% BY WEIGT OFA SOLVENT, SAID SOLVENT BEING SELECTED FROM THE GROUP CONSITING OF ACRYLIC ACID AND MIXTURES OF ACRYLIC ACID WITH ANOTHER ACRYLIC MONOMER HAVING A SURFACE TENSION NO HIGHER THAN ABOUT 45 DYNES PER CM, SAID ACRYLIC ACID COMPRISING AT LEAST 20% BY WEIGHT OF SAID COATING COMPOSITION, SAID COATING COMPOSITION BEING SUBSTANTIALLY FREE OF NON-CONVERTING SOLVENTS.
3. A coating composition as described in claim 1, wherein said polyfunctional material is a polyepoxy resin.
4. A coating composition as described in claim 1, wherein said flow control additive has a molecular weight of at least 1500.
5. A coating composition as described in claim 4, wherein said flow control additive contains from about 5 to about 20% by weight Of hydroxyl groups.
6. A coating composition as described in claim 4, wherein said additive is a cellulose acetate butyrate polymer containing from about 20 to about 60% by weight of butyrate.
7. A coating composition as described in claim 1 wherein solvent comprises at least 60% by weight of acrylic acid.
8. A coating composition as described in claim 1, wherein said solvent consists essentially of acrylic acid.
9. A coating composition as described in claim 7, in which the solvent has an overall surface tension no higher than about 30 dynes/cm.
10. A coating composition as described in claim 2 wherein said radiation curable oil comprises the reaction product of acrylic acid and an epoxidized vegetable oil.
11. A coating composition as described in claim 2 wherein said radiation curable oil comprises the reaction product of acrylic acid and a hydroxy-functional vegetable oil.
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