Process for the preparation of cured oligoacrylates
First Claim
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1. A process for the preparation of a cured oligoacrylate which comprises curing, under the action of ionizing radiation having energy of at least 100 Kev in a molecular oxygen-containing gas, an oligoacrylate containing a) 3-6 acryloyl groups;
- b) at least one cyclohexene nucleus in the molecule;
c) an acryloyl group equivalent of not more than 1000; and
d) having a boiling point of not lower than 200°
C which oligoacrylate is a reaction product prepared by interesterifying a mixture of;
1. acrylic acid;
2. at least one member selected from the group consisting of tetrahydrophthalic acid and anhydride thereof, and
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Abstract
Process for curing an oligoacrylate containing 3-6 acryloyl groups and at least one cyclohexene nucleus in the molecule and having an acryloyl group equivalent of not more than 1000, together with or without at least one other compound copolymerizable therewith, under the action of ionizing radiant rays in a molecular oxygen-containing gas to obtain a cured product from said oligoacrylate.
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Citations
3 Claims
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1. A process for the preparation of a cured oligoacrylate which comprises curing, under the action of ionizing radiation having energy of at least 100 Kev in a molecular oxygen-containing gas, an oligoacrylate containing a) 3-6 acryloyl groups;
- b) at least one cyclohexene nucleus in the molecule;
c) an acryloyl group equivalent of not more than 1000; and
d) having a boiling point of not lower than 200°
C which oligoacrylate is a reaction product prepared by interesterifying a mixture of;1. acrylic acid; 2. at least one member selected from the group consisting of tetrahydrophthalic acid and anhydride thereof, and - View Dependent Claims (3)
- b) at least one cyclohexene nucleus in the molecule;
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2. at least one member selected from the group consisting of trimethylolpropane and pentaerythritol and then recovering said cured oligoacrylate.
Specification
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Current AssigneeToagosei Chemical Industry Company Limited (Toagosei Company Limited)
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Original AssigneeToagosei Chemical Industry Company Limited (Toagosei Company Limited)
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InventorsKato, Hiroyuki, Ogasawara, Takahisa, Tatemichi, Hidemaro, Senzaki, Yoshimichi
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Primary Examiner(s)Tillman, Murray
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Assistant Examiner(s)Page, Thurman K.
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Application NumberUS05/501,714Time in Patent Office859 DaysField of Search204/159.15, 204/159.19, 204/159.16US Class Current522/107CPC Class CodesC08F 20/20 of polyhydric alcohols or p...C08G 63/47 by unsaturated monocarboxyl...
