Fire retardant adhesive tissue

a technology of adhesive tissue and adhesive layer, applied in the direction of film/foil adhesive, antifouling/underwater paint, printing, etc., can solve the problems of easy tear and difficulty in working with materials

Inactive Publication Date: 2005-09-22
GRACE FR C
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0013] Still a further object of the invention is to provide a method for

Problems solved by technology

This is a difficult material to work with due to the extremely low tensile strength of the material.
Since many flame retardant solids are provid

Method used

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  • Fire retardant adhesive tissue
  • Fire retardant adhesive tissue
  • Fire retardant adhesive tissue

Examples

Experimental program
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example 1

[0044] A flame retardant paste dispersion formulation as follows is prepared by adding ingredients under constant mixing:

IngredientAmount (weight %)Water41Spartan FR4822Mirox HP (thickener)6EMS Griltex L365E P1 (adhesive)22.5Mirox OX (printing agent)8.5

[0045] The percent solids for the final paste mix is between about 28 to 32%. The viscosity is between about 1,800 and 3,500 cps when tested on the Brookfield RVT using a #4 spindel at 20 RPM. It is anticipated that this composition will impart flame resistance to adhesive coated paper and provide flamer retardant solids of approximately 10 weight percent.

example 2

[0046] An uncoated tissue paper having a weight specification between 17.0 and 21.0 g / m2 (0.50 and 0.62 oz / yd2) from Cellu Tissue Corp. of Grouvemeur, N.Y., and is their product Grade 3284. It is also known as 11 pound paper and is coated utilizing dispersion prepared in Example 1 in a screen paste coating apparatus illustrated in FIG. 2. The line speed is maintained between about 18 to 23 m / min (20 to 25 yds / min) The coated dry paper after leaving the oven is batched up at the lines batcher end 2,000 yard rolls ready for shipment. Flame testing is done in a composite by laminating the resulting coated tissue paper to a high loft polyester felt. It is then tested using the Federal Motorvehical Safety Standard #302 (MVSS #302) test procedure.

[0047] A flame retardant adhesive tissue in accordance with the invention provides a coated with dots of a thermoplastic adhesive and an inorganic flame retardant dispersed throughout the tissue fibers. The coated paper is particularly well suit...

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Abstract

A flame retardant adhesive tissue paper for fabricating moldable structures, particularly suitable for forming laminates for the interior of automobiles is provided. The flame retardant adhesive tissue is prepared by screen printing an aqueous paste dispersion including a flame retardant and thermoplastic adhesive dispersed therein in discontinuous pattern onto one surface of the paper. After removal of water, the drying temperatures is increased to activate the thermoplastic adhesive to adhere to the surface of the tissue with the flame retardants solids dispersed within the interior of the tissue paper. The adhesive coated tissue paper has good acoustic properties and imparts flame retardancy to a laminate including it.

Description

CROSS-REFERENCE TO RELATED APPLICATIONS [0001] This application is a divisional of co-pending application Ser. No. 09 / 933,191, filed on Aug. 20, 2001.BACKGROUND OF THE INVENTION [0002] This invention relates to a fire retardant adhesive tissue and a method of manufacture, and more particularly to a fire retardant tissue paper which has been treated with a dispersion of fire retardant and adhesive to provide a tissue with the fire retardant solids disbursed within the tissue paper and adhesive dots on the surface. [0003] Tissue paper is utilized in a wide variety of industrial applications. One such application is as a portion of a laminate utilized in automobiles for improving sound insulation. In addition to its sound insulation properties, it is highly desirable that the tissue paper be treated with a flame retardant so that the final product will be flame retardant and still have good acoustic properties when in composite form. [0004] Tissue paper typically used in automotive app...

Claims

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Application Information

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IPC IPC(8): C09J7/21B05D3/02B05D5/10C09J7/35
CPCB05D3/0254B05D5/10B05D2252/02Y10T428/24934C09J2400/283Y10T428/28C09J7/043C09J7/35C09J7/21Y10T428/31993
Inventor GRACE, FRANK C.
Owner GRACE FR C
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