Controlled Release Insect Repellent Materials
First Claim
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1. A layered article comprising:
- an adhesive layer; and
an insect repellent layer comprising a controlled release insect repellent material that comprises an insect repellent and at least one polymer selected from the group consisting of an ethylene copolymer, an ethyl cellulose, a thermoplastic polyurethane, and any combination thereof.
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Abstract
Generally, controlled release insect repellent materials include at least one polymer selected from the group consisting of an ethylene copolymer, an ethyl cellulose, a thermoplastic polyurethane, and any combination thereof and at least one insect repellent and may optionally include at least one insect repellent synergist, at least one additive, at least one additional polymer, and any combination thereof. Further, controlled release insect repellent materials may be used to form articles or products with long-term efficacy.
29 Citations
25 Claims
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1. A layered article comprising:
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an adhesive layer; and an insect repellent layer comprising a controlled release insect repellent material that comprises an insect repellent and at least one polymer selected from the group consisting of an ethylene copolymer, an ethyl cellulose, a thermoplastic polyurethane, and any combination thereof. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A molded article comprising:
a controlled release insect repellent material that comprises an insect repellent and at least one polymer selected from the group consisting of an ethylene copolymer, an ethyl cellulose, a thermoplastic polyurethane, and any combination thereof.
- 16. The molded article of claim 16, wherein the ethylene copolymer has a crystallinity ranging from about 0% to about 60% as determined by differential scanning calorimetry.
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20. A fabric comprising:
a controlled release insect repellent material in fiber form that comprises an insect repellent and at least one polymer selected from the group consisting of an ethylene copolymer, an ethyl cellulose, a thermoplastic polyurethane, and any combination thereof.
- 22. The fabric of claim 22, wherein the fabric is at least a component of a netting.
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23. A method comprising:
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mixing an insect repellent in a polymer melt comprising at least one polymer selected from the group consisting of an ethylene copolymer, an ethyl cellulose, a thermoplastic polyurethane, and any combination thereof; producing a controlled release insect repellent material from the polymer melt having insect repellent therein; and producing an article comprising the controlled release insect repellent material.
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Specification