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Compositions and articles containing a crosslinked polymer matrix and an immobilized active liquid, as well as methods of making and using the same

A technology of polymers and compositions, applied in a field of preparing and using them, capable of solving the problems of not providing easily durable compositions and/or articles, easily deforming, maintaining them, etc.

Active Publication Date: 2007-05-30
CRODA INT PLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This disadvantage is severe for situations where substrates are required to retain their shape over a dynamic temperature range, such as those used in car interior fresheners that are frequently exposed to temperatures in excess of 110°F, especially during the hot summer months when the car is parked directly in the sun. when down
Additionally, these polyamide gels are soft solids that deform easily if scratched, dripped, poked, or wiped
Accordingly, these conventional gels do not provide compositions and / or articles that are easily durable and able to work over a wide range of operating parameters

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0132] Air freshener ingredients (names and amounts listed below) containing a small amount of green dye were weighed into glass vials and they were manually stirred together at room temperature with a wooden stirring rod. A portion of this mixture (8.0 g) was then poured into a flat, rectangular, 2.50 inch by 3.25 inch uncoated polystyrene mold:

[0133] ■Epoxy resin: EPALLOY(R) 5001, 10.00g; 55.1%

[0134] ■Curing agent: 1,3-BAC, 3.55g; 19.6%

[0135] Perfume Oil: Belle Aire "Evergreen", 4.55g; 25.1%

[0136] ■Dye: Green, 0.05g; 0.3%

[0137] The next day, the sample was firm, clear, non-tacky, and pliable. It can be removed from the mold by hand with only a small amount sticking to the mold. It was stored at room temperature in polyethylene "pouches" and it showed no syneresis even after several weeks.

Embodiment 2

[0139] A total of 100 parts by weight of these air freshener ingredients were treated using the procedure of Example 1: EPALLOY(R) 5001 (53.6 parts), 1,3-BAC (19.0 parts), Belle Aire "Evergreen" fragrance oil (25.1 parts), Nonylphenol (2.2 parts). After one day of curing at room temperature, the formed article was clear, strong, pliable and non-sticky.

Embodiment 3

[0141] A total of 100 parts by weight of these air freshener ingredients were treated using the procedure of Example 1: cyclohexanedimethanol glycidyl ether (22.8 parts), EPON(R) 828 (22.8 parts), Huntsman T-403 polyamine (24.2 parts ), Continental Aromatics "Country Meadow" fragrance oil (30.0 parts), plastic glitter (0.1 parts) and a trace of green dye. After three days of curing at room temperature, the resulting article was clear, strong, soft, non-stick and exhibited the ability to adhere lightly to vertical glass surfaces from which it could be easily removed And can be applied again without damaging the surface.

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Abstract

The invention relates to compositions and articles containing s crosslinked polymer matrix and an immobilized active liquid, as well as methods of making and using the same.

Description

technical field [0001] The present invention relates to compositions and articles comprising a crosslinked polymer matrix and an immobilized active liquid, and methods of making and using them. Background technique [0002] Curing and / or crosslinking of polymer systems, such as epoxy systems, are described in textbooks and industry handbooks, for example "Handbook of epoxyresins" by Henry Lee and Kris Neville (McGraw Hill, 1967), Society of Plastics Industry, Inc. . (1984), "The Epoxy Formulators Manual", and Encyclopedia of Science and Technology (Kirk-Othmer, John Wiley & Sons, 1994). Until recently, curing such systems, and others related thereto, such as those with and / or containing fragrances, in a manner capable of immobilizing active liquids has been very difficult, especially over a dynamic range of operating conditions from Such systems are required when durability and performance are required. [0003] For example, JP 032558899A calls for the use of solid powder ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61L9/04A61L15/26A61L15/44A61L15/46A01M1/20A61L2/00A61L9/12A61L26/00C08F251/00C08F251/02C08F265/04C08F265/06C08F283/00C08G18/60C08G59/50C08G73/02C08L51/00C08L51/02C08L79/02C09J151/00C09J151/02
CPCA01M1/2044A61L9/042A61L9/12C08F251/00C08F251/02C08F265/04C08F265/06C08F283/00C08G18/60C08G59/50C08G73/028C08G73/0286C08L51/003C08L51/02C08L79/02C09J151/003C09J151/02C08L2666/02A61L9/04A61L15/26A61L15/44A61L15/46
Inventor 马克·S·帕夫林
Owner CRODA INT PLC