 EPDM, HNBR and Butyl rubber compositions containing carbon black products |
| OF THE INVENTION The present invention relates to a rubber composition prepared by the process ... |
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| Carbon black products for coloring mineral binders |
| The claimed invention is: 1. A mineral binder composition comprising a mineral binder and a carbon ... |
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| Dispersible carbonblack pellets |
| OF THE INVENTION The pellets of the present invention can be formed by agglomeration, either under ... |
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| Compositions of modified carbon products and amphiphilic ions and methods of using the same |
| What is claimed is: 1. A composition comprising a) an amphiphilic ion and b) a modified carbon ... |
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| Process for crosslinking |
| We claim: 1. A process for crosslinking comprising (a) introducing into a reactor, under ... |
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| Rubber composition and tire having tread thereof |
| What is claimed is: 1. A tire having a tread of a rubber composition comprised of the product of ... |
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| Non-aqueous inks and coatings containing modified carbon products |
| The claimed invention is: 1. A non-aqueous coating composition comprising a non-aqueous solvent and ... |
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| Powder coating compositions and method |
| OF THE PREFERRED EMBODIMENTS A powder coating composition of the present invention, after ... |
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| Superabsorbent resin composition |
| What is claimed is: 1. A superabsorbent resin composition comprising components (A) and (D) wherein ... |
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| Blends based on vinyl aromatic polymers with enhanced mechanical characteristics |
| We claim: 1. A blend based on vinyl aromatic polymers endowed with high mechanical properties even ... |
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Polyurethane dispersions for book binding
| Details |
Inventors: Fresonke, Flavia M.; Mehta, Ramesh;
Assignee: H. B. Fuller Licensing & Financing Inc. (Wilmington, DE)
Primary Examiner: Reddick; Judy M.
Assistant Examiner:
Attorney, Agent or Firm: Merchant, Gould, Smith, Edell, Welter & Schmidt
A method of binding book blocks to form books is disclosed. The method involves applying an aqueous composition to the spine area of a book block and removing the volatile components of the composition. The composition comprises (1) an aqueous vehicle, a film-forming polymeric resin, and a polyurethane resin or (2) an aqueous polyurethane dispersion or emulsion. The composition may also include an alkaline component. In another embodiment, the composition comprises a mixture of an aqueous, film-forming polymeric latex, an alkaline component to adjust the pH the latex to that of an aqueous polyurethane dispersion, and the aqueous polyurethane dispersion. |
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DETAILED DESCRIPTION OF THE INVENTION The aqueous composition comprises an aqueous vehicle, a film-forming polymeric resin, and a polyurethane resin.
The composition may also include an alkaline component.
From another perspective, the composition may comprise a mixture of an aqueous, film-forming polymeric latex, an alkaline component to adjust the pH of the latex to that of an aqueous polyurethane dispersion, and the aqueous polyurethane dispersion.
Components A major component in the aqueous composition is an aqueous vehicle.
Generally, the aqueous vehicle is water or predominantly water with a minor amount of co-solvents or other liquids.
Preferably, for reasons of reduced toxicity and costs, the aqueous vehicle is water.
While deionized water is particularly preferred, it is not necessary in the broadest sense of the invention.
Generally, the water is used as a carrier for the adhesive components, and after the composition is applied to an adherend, the majority of the water is evaporated or volatilized.
Film-Forming Resin The film-forming polymeric resin may be selected from any suitable, water-dispersible thermoplastic polymeric resin.
The term "water-dispersible" as used here in the specification and in the claims is intended to include water-soluble as well as water-dispersible resins.
A representative, non-limiting list of useful film-forming thermoplastic polymeric resins includes acetate/butyl maleate copolymer polychloroprene, polyvinylacetate (PVAc), acrylics, styrene-butadiene rubber (SBR), thermoplastic styrene block copolymers, vinyl chloride-vinylidene chloride copolymers, ethylene-vinyl chloride copolymers, ethylene-vinyl acetate (EVA) copolymers, vinyl acetate-acrylic acid copolymers, and acrylonitrile-butadiene copolymers.
Preferred classes of the film-forming resins include PVAc, acrylics, SBR, thermoplastic styrene block copolymers, and EVA.
Particularly preferred film-forming resins include both carboxylated and uncarboxylated EVA and acrylic resins.
As indicated above, the film-forming thermoplastic resin is preferably provided as an aqueous emulsion
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