Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Including a second component containing structurally defined...
Patent
1993-06-23
1996-04-23
Ryan, Patrick J.
Stock material or miscellaneous articles
Web or sheet containing structurally defined element or...
Including a second component containing structurally defined...
428195, 4284111, 4284237, 4284744, 4284884, 428914, B32B 516
Patent
active
055101780
DESCRIPTION:
BRIEF SUMMARY
This invention concerns a transfer for decorating surfaces, preferably textiles or other flexible materials, with images being extremely durable and capable of standing both hot water wash and dry cleaning. In particular the invention concerns a transfer for decorating surfaces with images comprising light-reflecting areas of any configuration and color in arbitrary combination with colored non-reflecting areas. The invention also relates to a process of making such transfer.
It is known to decorate textiles by printing patterns in various colors by a suitable printing method, e.g. the silk screen process. For such patterns to be durable in use and to have good fastness to repeated washing, it is important that the inks used for the printing have good adhesion and cannot be peeled or picked off, that they are elastic so as to be capable of following the expansion and contraction of the substrate, and that they do not crackle or flake.
So-called plastisol inks have been developed for this purpose, based on elastomeric resins, often modified polyvinyl chloride (PVC), dissolved in high-boiling organic solvents. These plastisol inks, which are also called gum printing inks, can be given all possible shades by pigmentation.
It is also known to produce so-called transfers by means of these plastisol inks, i.e. by printing a given pattern in mirror-inverted fashion on a suitable substrate, preferably silicone or wax treated paper. The pattern may then be transferred by the user, e.g. a textile factory, from such a transfer to the textile by application of heat, i.e. the transfer is placed with the inked side against the textile and heated to 130.degree. to 200.degree. C., generally 160.degree. to 180.degree. C., under a pressure of 100.degree. to 800 kPa, generally about 500 kPa, for 10 to 30 seconds, generally 15 to 20 seconds. The temperature, pressure and treatment time used depend, of course, upon the Type and nature of the textile fabric and upon the plastisol type applied, but generally higher temperatures will involve treatment for a shorter period of time, and vice versa.
The international patent application published as WO 80/00462 describes a method of applying a metallised and/or pigmented decoration to a surface, for example a garment surface, comprising the steps of first providing a conventional ink transfer having the form of the intended decoration, and transferring the image therefrom to the surface in conventional manner by application of heat and pressure, and then superimposing a foil having a metallised and/or pigmented coating to the said image, subjecting the foil to heat and/or pressure to cause it to adhere to the image, and peeling off the foil thereby to provide a metallised or pigmented cover adhering to the image and being coextensive therewith. The metallised or pigmented coating on the foil may optionally be provided with a layer of heat or pressure sensitive adhesive on the face intended for application to the image, being so selected as to have an affinity for the material of the image and a disaffinity for the surface to which the image is applied. The metallised and/or pigmented coating may also include a cover layer on the face opposite the face intended for application to the image. But in any case this so-called "hot split" method only aims at applying a metallised and/or pigmented coating to the entire surface of an image being already transferred conventionally from a known transfer.
It is further known to produce so-called retro-reflecting films with a great light reflecting capacity for application on e.g. textiles, first and foremost for security reasons. These retro-reflecting films or reflex films come in two main types, one with a very large number of fine glass beads with a high refractive index embedded with a reflecting substrate in a base sheet (glass bead type), and another formed with a large number of prisms in a sheet. Both types may be formed with the glass beads or the prisms exposed in the surface (open type) or enclosed in a transparent layer (semi-open ty
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Nylobag NB One/Two-pack Screen Inks product information.
Nylotex NX One/Two-Pack Screen Inks product information.
Franke Erik
Olsen Ulf N.
Strand Eilif
Griswold Gary L.
Hanson Karl G.
Kirn Walter N.
Krynski William
Minnesota Mining and Manufacturing Company
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