Water-containing antislip composition

Details Water-containing antislip composition Water-containing antislip composition

1996-05-20

1997-09-30

Marcheschi, Michael

Compositions: coating or plastic

Coating or plastic compositions

Tractive or friction surface

106133, 106135, 106144, 106146, 106160, 1061731, 106189, 106200, 106203, 106207, 106208, 106212, 106213, 106237, 106238, 523150, 524270, 524379, 4273855, C09K 314

Patent

active

056721994

DESCRIPTION:

BRIEF SUMMARY
CROSS REFERENCE TO RELATED APPLICATION

This application is a 371 of international application number PCT/EP94/03744, filed Nov. 11, 1994.


BACKGROUND OF THE INVENTION

1. Field of the Invention
This invention relates to a water-containing antislip composition and to its use for non-absorbent articles.
2. Discussion of Related Art
Antislip compositions are intended to prevent two articles from slipping, i.e. unintentionally sliding, relative to one another, but at the same time to enable them to be readily separated from one another. This is generally achieved by the antislip composition offering high resistance to movements in the sliding direction while offering no resistance or such little resistance to movements perpendicularly of that direction that the surfaces of the separated articles are not damaged. The raw material base for these antislip compositions are generally natural or synthetic macromolecular substances of the type also used for adhesives. Similarly to adhesives, antislip compositions may also be applied to an article to be secured from the melt, i.e. free from evaporating solvents or dispersants (see, for example, DE-A-19 17 566). This process requires special equipment for melting and applying the antislip composition. It is more normal to apply the macromolecular substances in the form of a solution in organic solvents or in the form of an aqueous dispersion.
In cases where antislip compositions are used for water-absorbing articles, for example packs of cardboard, paperboard or paper, or for the coating of carpets, they are now generally based on aqueous solutions or dispersions. Thus, DE-C-19 43 731 describes the use of aqueous solutions of the colloid xanthan gum as adhesives for packaging materials. DE-C-12 62 897 proposes the use of aqueous dispersions of polymers of olefinically unsaturated compounds, more especially polyvinyl acetates and copolymers thereof. According to DE-C-20 31 881, aqueous dispersions of paraffins and/or polyalkylenes may also be used. DD 156 612 describes a process for the backing of carpets in which a solid, transparent, non-tacky and non-slip finish is applied to the carpet. To this end, a low-viscosity mixture of a copolymer latex of butadiene/styrene and/or butadiene/acrylonitrile with powder-form polyvinyl chloride having a solids content of 40 to 55% is prepared, applied to the back of the carpet and subsequently dried. The addition of the polyvinyl chloride to the butadiene copolymer reduces its otherwise troublesome tackiness without affecting the favorable non-slip behavior on various types of flooring, such as wood, xylolith and plastic. The coating mixture shows very good adhesion to natural and synthetic fibers.
Antislip compositions based on an organic solution of polymers or resins are generally used for non-water-absorbent articles. Thus, JP-A-59172569 proposes solutions of ethylene/vinyl acetate copolymers and a hydrogenated glycidyl ester of rosin (Ester Gum H) in toluene for use in aerosol packs. Other conventional antislip compositions use chlorinated hydrocarbons, such as methylene chloride, as solvents for rosin or synthetic polymers, such as polybutadiene.
In order to guarantee ease of application from aerosol cans, these solutions must not exceed a certain viscosity (around 1,000 mPa.s), so that only solutions with a relatively low solids content can be used, i.e. considerable quantities of organic solvents are released during application. Accordingly, for hygiene and ecological reasons, there is a considerable need for adhesives which preferably release only small quantities, if any, of organic solvents during their application, in addition to which these relatively small quantities of organic solvents, if technically unavoidable, should be safe from the point of view of factory hygiene and the environment.
German patent application P 42 30 472.5 filed Sep. 14, 1992 describes an antislip composition for articles which do not absorb water. It contains
a) a polymer, more especially a polymer of olefinically unsaturated compounds,
b)

REFERENCES:
patent: 2698250 (1954-12-01), Leichner
patent: 2921918 (1960-01-01), Mooney et al.
patent: 3598677 (1971-08-01), Bergmeister et al.
patent: 3734801 (1973-05-01), Sebel
patent: 3755044 (1973-08-01), Sebel
patent: 4563218 (1986-01-01), Schuler
patent: 5453219 (1995-09-01), Smrt et al.

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