GB2115696A - Insecticidal products - Google Patents

Insecticidal products Download PDF

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Publication number
GB2115696A
GB2115696A GB08204691A GB8204691A GB2115696A GB 2115696 A GB2115696 A GB 2115696A GB 08204691 A GB08204691 A GB 08204691A GB 8204691 A GB8204691 A GB 8204691A GB 2115696 A GB2115696 A GB 2115696A
Authority
GB
United Kingdom
Prior art keywords
insecticide
lacquer
layer
base
coating
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
GB08204691A
Inventor
Paul Richardson Brooks
Anthony Peter Smith
Thomas Aitken
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Storey Brothers and Co Ltd
Original Assignee
Storey Brothers and Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Storey Brothers and Co Ltd filed Critical Storey Brothers and Co Ltd
Priority to GB08204691A priority Critical patent/GB2115696A/en
Publication of GB2115696A publication Critical patent/GB2115696A/en
Withdrawn legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
    • A01N25/34—Shaped forms, e.g. sheets, not provided for in any other sub-group of this main group

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  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Pest Control & Pesticides (AREA)
  • Plant Pathology (AREA)
  • Agronomy & Crop Science (AREA)
  • Engineering & Computer Science (AREA)
  • Dentistry (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Environmental Sciences (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)

Abstract

Insecticidal products comprise an insecticidal coating applied to a base which has previously been treated with a cross-linkable lacquer to protect it from the insecticide composition.

Description

SPECIFICATION Insecticidal products This invention relates to a method of incorporating liquid or semi-solid insecticidal compositions into plastics film suitable for application to windows or other substrates.
Because the high cost of insecticides (relative to plastics films) it is desirable to use as little as practicable. Simple compounding with plastics is wasteful and may give greatly reduced tonicity not just because of dilution but because of compatibility with the plastics matrix material.
Coating of film with an insecticidal dope can lead to migration of the latter into the film, because effective insecticides are often capable of plasticising for example PVC.
According to the present invention, an insecticidal product is made by coating a base with a cross-linkable lacquer composition and curing it in situ, applying a layer or coating of insecticide to the lacquer and thereafter applying to the insecticide layer or coating a temporary protective layer capable of removal to expose the insecticide.
Preferably the base is a transparent plastics film, for example, PVC film. Advantageously, the base is autoadhesive or has a pressure sensitive adhesive coating (provided with a conventional, detachable layer) on that face remote from the lacquer. Preferably the lacquer is ultra-violet curable and is highly impervious to the insecticide when so cured.
Advantageously the insecticide is in the form of a dope which contains a wetting agent for the insecticide, to promote the adhesion of the latter to the lacquer surface, and therefore to the base layer. Metal soaps are preferred wetting agents.
The temporary protective layer may be paper rendered impervious by treatment with the same or a different lacquer on at least that face in contact with the insecticide.
A preferred insecticide is a pyrethoid material sold under the trade mark CYPERMETHRIN, it can conventionally be applied in a solvent dope.
Preferably the degree of adhesion of the backing (detachable cover) is controlled so that the base adheres to a substrate even when the temporary protective layer is peeled away.
The invention is illustrated by the following example.
A transparent VELBEX PVC film 1 50 mym thick was coated on one opposite side with a 6 mym layer of UV curable lacquer (ABM 6). The lacquer was cured and then coated with 0.5 g/sq.m of CYPERMETHRIN insecticide, prior to applying a temporary protective layer of paper coated with the same lacquer (ABM 6). Strips of the product were autoadhered to a window and then the protective paper layer peeled away to expose the insecticide, which proved highly effective.
1. A method of making an insecticidal product comprising the steps of coating a base with a cross-linkable lacquer composition, curing said lacquer in situ, applying a layer or coating of insecticide to the lacquer and thereafter applying to the layer or coating a temporary protective layer capable of removal to expose the insecticide.
2. A method according to claim 1 wherein the base is a plastics film.
3. A method according to claim 1 or claim 2 wherein the base has a contact adhesive coating and detachable cover layer thereafter on that face remote from the face to be coated with lacquer.
4. A method according to any preceding claim wherein the lacquer is ultra-violet curable and highly impervious to the insecticide when so cured.
5. A method according to any preceding claim wherein the insecticide is in the form of a dope which contains a wetting agent to promote adhesion of the insecticide to the lacquer.
6. A method according to any preceding claim wherein the temporary protective layer is paper treated with the same or a different lacquer.
7. A method according to any preceding claim wherein the insecticide is a pyrethoid compound.
8. A method according to any preceding claim wherein the base is a transparent plastic film.
**WARNING** end of DESC field may overlap start of CLMS **.

Claims (8)

**WARNING** start of CLMS field may overlap end of DESC **. SPECIFICATION Insecticidal products This invention relates to a method of incorporating liquid or semi-solid insecticidal compositions into plastics film suitable for application to windows or other substrates. Because the high cost of insecticides (relative to plastics films) it is desirable to use as little as practicable. Simple compounding with plastics is wasteful and may give greatly reduced tonicity not just because of dilution but because of compatibility with the plastics matrix material. Coating of film with an insecticidal dope can lead to migration of the latter into the film, because effective insecticides are often capable of plasticising for example PVC. According to the present invention, an insecticidal product is made by coating a base with a cross-linkable lacquer composition and curing it in situ, applying a layer or coating of insecticide to the lacquer and thereafter applying to the insecticide layer or coating a temporary protective layer capable of removal to expose the insecticide. Preferably the base is a transparent plastics film, for example, PVC film. Advantageously, the base is autoadhesive or has a pressure sensitive adhesive coating (provided with a conventional, detachable layer) on that face remote from the lacquer. Preferably the lacquer is ultra-violet curable and is highly impervious to the insecticide when so cured. Advantageously the insecticide is in the form of a dope which contains a wetting agent for the insecticide, to promote the adhesion of the latter to the lacquer surface, and therefore to the base layer. Metal soaps are preferred wetting agents. The temporary protective layer may be paper rendered impervious by treatment with the same or a different lacquer on at least that face in contact with the insecticide. A preferred insecticide is a pyrethoid material sold under the trade mark CYPERMETHRIN, it can conventionally be applied in a solvent dope. Preferably the degree of adhesion of the backing (detachable cover) is controlled so that the base adheres to a substrate even when the temporary protective layer is peeled away. The invention is illustrated by the following example. A transparent VELBEX PVC film 1 50 mym thick was coated on one opposite side with a 6 mym layer of UV curable lacquer (ABM 6). The lacquer was cured and then coated with 0.5 g/sq.m of CYPERMETHRIN insecticide, prior to applying a temporary protective layer of paper coated with the same lacquer (ABM 6). Strips of the product were autoadhered to a window and then the protective paper layer peeled away to expose the insecticide, which proved highly effective. CLAIMS
1. A method of making an insecticidal product comprising the steps of coating a base with a cross-linkable lacquer composition, curing said lacquer in situ, applying a layer or coating of insecticide to the lacquer and thereafter applying to the layer or coating a temporary protective layer capable of removal to expose the insecticide.
2. A method according to claim 1 wherein the base is a plastics film.
3. A method according to claim 1 or claim 2 wherein the base has a contact adhesive coating and detachable cover layer thereafter on that face remote from the face to be coated with lacquer.
4. A method according to any preceding claim wherein the lacquer is ultra-violet curable and highly impervious to the insecticide when so cured.
5. A method according to any preceding claim wherein the insecticide is in the form of a dope which contains a wetting agent to promote adhesion of the insecticide to the lacquer.
6. A method according to any preceding claim wherein the temporary protective layer is paper treated with the same or a different lacquer.
7. A method according to any preceding claim wherein the insecticide is a pyrethoid compound.
8. A method according to any preceding claim wherein the base is a transparent plastic film.
GB08204691A 1982-02-17 1982-02-17 Insecticidal products Withdrawn GB2115696A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08204691A GB2115696A (en) 1982-02-17 1982-02-17 Insecticidal products

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08204691A GB2115696A (en) 1982-02-17 1982-02-17 Insecticidal products

Publications (1)

Publication Number Publication Date
GB2115696A true GB2115696A (en) 1983-09-14

Family

ID=10528413

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08204691A Withdrawn GB2115696A (en) 1982-02-17 1982-02-17 Insecticidal products

Country Status (1)

Country Link
GB (1) GB2115696A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003028456A1 (en) * 2001-09-07 2003-04-10 S. C. Johnson & Son, Inc. Film material and method of dispensing a volatile substance
US6635077B2 (en) 2001-09-07 2003-10-21 S.C. Johnson Home Storage, Inc. Structure including a film material

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003028456A1 (en) * 2001-09-07 2003-04-10 S. C. Johnson & Son, Inc. Film material and method of dispensing a volatile substance
US6635077B2 (en) 2001-09-07 2003-10-21 S.C. Johnson Home Storage, Inc. Structure including a film material

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)