US 2008.0026.662A1 (19) United States (12) Patent Application Publication (10) Pub. No.: US 2008/0026662 A1 Ramsey (43) Pub. Date: Jan. 31, 2008 (54) FLEXIBLE SURFACE HAVING A UV Related U.S. Application Data CURABLE WATERPROOFING (63) Continuation-in-part of application No. 1 1/459,876, COMPOSITION filed on Jul. 25, 2006. (75) Inventor: Sally Judith Weine Ramsey, Publication Classification Tallmadge, OH (US) (51) Int. Cl. D04H I/00 (2006.01) Correspondence Address: AOIN 25/00 (2006.01) WILSON SONSN GOODRCH & ROSAT (52) U.S. Cl. ......................... 442/376; 424/405; 427/404 650 PAGE MILL ROAD (57) ABSTRACT PALO ALTO, CA 94304-1050 Disclosed are thixotropic compositions that are curable (73) Assignee: ECOLOGY COATINGS, INC. using ultraviolet and visible radiation. In addition, methods Akron, OH (US) s of applying the compositions to fiber Substrates such as s paper are described, as are methods of curing the coated products. Partially or fully water-resistant articles made (21) Appl. No.: 11/684,502 using these compositions, such as Snow melting mats, wind shield protectors, and freezer defrosting sheets are also (22) Filed: Mar. 9, 2007 disclosed. Patent Application Publication Jan. 31, 2008 Sheet 1 of 4 US 2008/0026.662 A1 Patent Application Publication Jan. 31, 2008 Sheet 2 of 4 US 2008/0026.662 A1 Patent Application Publication Jan. 31, 2008 Sheet 3 of 4 US 2008/0026.662 A1 Patent Application Publication Jan. 31, 2008 Sheet 4 of 4 US 2008/0026.662 A1 US 2008/0026.662 A1 Jan. 31, 2008 FLEXBLE SURFACE HAVING A UV 0013 (d) at least one acrylate, methacrylate, diacry CURABLE WATERPROOFING late, dimethacrylate, triacrylate and/or trimethacrylate COMPOSITION monomer, wherein the acrylate is other than tetrahy drofurfuryl acrylate, in an amount of about 2% by CROSS-REFERENCE TO RELATED weight up to about 80% by weight; APPLICATIONS 0.014 (e) a cross-linkable, silicone acrylate, silicone 0001. This application is a Continuation-in-Part of U.S. methacrylate, silicone diacrylate, silicone dimethacry application Ser. No. 11/459,876, filed Jul. 25, 2006, which is late, silicone triacrylate and/or silicone trimethacrylate: incorporated by reference herein in its entirety. 0.015 (f) at least one metal salt comprising: 0016 a cation selected from among Li, Na', K", FIELD OF THE INVENTION Mg", Ca", Al, Zn, Mn, and Ag"; and 0017 an anion selected from among F, Cl, Br, I, 0002. Described herein are 100% solids, UV curable CO', CIO, and NO; and compositions for use in adhesion, repair and architecture. 0018 (g) optionally, a pigment, pigment dispersion Also disclosed are articles of manufacture that include the and/or a third photo-initiator; UV curable and/or UV cured compositions described herein. 0.019 wherein the composition is: BACKGROUND OF THE INVENTION 0020 (i) actinic-radiation curable; and 0021 (ii) thixotropic with an apparent viscosity at 0003) A variety of consumer, scientific, and industrial room temperature greater than about 5000 centi products have some type of coating, which has been applied poise. in order to fulfill some expected function, utility and/or 0022. In one embodiment is a coated mat wherein the appearance. Coating Such products with solvent based coat fibrous Substrate comprises recycled paper. In another ings can be problematic due to environmental issues stem embodiment is a coated mat wherein the coating is impreg ming from evaporation of the Volatile solvent. Also, Such nated into the fibrous substrate. In a further embodiment is coatings can require thermal curing, resulting in the need for a coated mat comprising silica gel. In yet a further embodi curing ovens, and the associated energy expenditure to ment is a coated mat comprising at least one salt. In one operate them. Adhesives and sealants typically contain vola embodiment is a coated mat wherein the at least one salt is tile solvents that are harmful and/or toxic to the environment selected from the group consisting of NaCl, CaCl2, MgCl, and user. Disclosed herein are 100% solids, UV curable and an organic salt. In another embodiment is a coated mat compositions for use in architecture, adhesion and repair. wherein the organic salt is a carboxylate salt. In another embodiment is a coated mat wherein the coated mat is SUMMARY OF THE INVENTION formed into an item selected from the group consisting of a 0004 Provided herein are compositions that are 100% Snow melting mat, a freezer defrosting mat, a windshield Solids. Compositions provided herein do not include toxic, cover, and shelf paper. environmentally harmful, volatile solvents that need to be 0023. In one aspect is a method of preparing a mat for evaporated and/or driven off to affect curing. Compositions melting Snow, comprising: provided herein are thixotropic, with an apparent viscosity at 0024 coating or impregnating a mat with UV curable room temperature of about 5000 centipoise. Compositions waterproofing formulation comprising: provided herein are UV curable. Compositions provided 0.025 (a) SiO, nano-fillers; herein do not contain any water or organic solvent, which 0026 (b) a benzoyldiphenylphosphine oxide photo must be removed before complete curing is achieved. There initiator and an O-hydroxyketone photo-initiator, fore, the compositions provided herein are less hazardous to 0027 (c) tetrahydrofurfuryl acrylate: the environment, and are economical because they require 0028 (d) at least one acrylate, methacrylate, diacry less space, less energy, and less time to cure. Compositions late, dimethacrylate, triacrylate and/or trimethacrylate provided herein can be applied to objects as a single coat. In monomer, wherein the acrylate is other than tetrahy Some embodiments, compositions provided can be applied drofurfuryl acrylate, in an amount of about 2% by to objects in more than one coat, such as, for example, two weight up to about 80% by weight; coats, or more than two coats. Compositions provided herein 0029 (e) a cross-linkable, silicone acrylate, silicone lack solvents and are thus considered environmentally methacrylate, silicone diacrylate, silicone dimethacry friendly. Compositions provided herein do not require ther mal curing, or drying stages with coatings of the composi late, silicone triacrylate and/or silicone trimethacrylate: tions, and thus there is no need for large ovens, which 0030 (f) at least one metal salt comprising: decreases the space and energy commitment of the coating 0031 a cation selected from among Li, Na', K", end-user. Mg, Cat, Al, Zn, Mn, and Ag"; and 0005. In one aspect is a coated mat comprising: 0032 an anion selected from among F, Cl, Br, I, 0006 a sheet of a fibrous substrate; CO', CIO, and NO; and 0007 a coated top layer; and 0033 (g) optionally, a pigment, pigment dispersion 0008 a coated bottom layer; and/or a third photo-initiator; 0009 wherein the coating comprises: 0034 wherein the composition is: (0010 (a) SiO nano-fillers; 0035 (i) actinic-radiation curable; and 0011 (b) a benzoyldiphenylphosphine oxide photo 0036 (ii) thixotropic with an apparent viscosity at initiator and an O-hydroxyketone photo-initiator, room temperature greater than about 5000 centi 0012 (c) tetrahydrofurfuryl acrylate: poise; and US 2008/0026.662 A1 Jan. 31, 2008 0037 coating at least one side of the mat with a compo 0069 wherein the composition is: sition comprising: 0070 (i) actinic-radiation curable; and 0038 from about 0% to about 25% powdered silica 0071 (ii) thixotropic with an apparent viscosity at gel, and room temperature greater than about 5000 centi poise; and 0039 from about 75% to about 100% salt. 0072 a coating layer comprising from about 0% to about 0040. In one aspect is a freezer defrosting mat, compris 25% powdered silica gel and about 75% to about 100% salt. ing: 0073. In one embodiment is a vehicle windshield cover, 0041 a fibrous substrate: further comprising a means to attach the vehicle windshield 0.042 a coating layer, wherein the coating comprises a cover to the windshield. In another embodiment is a vehicle UV curable waterproofing formulation comprising: windshield cover wherein the means to attach the vehicle 0043 (a) SiO nano-fillers; windshield cover is by use of multiple magnets attached near 0044 (b) a benzoyldiphenylphosphine oxide photo the edges of the windshield cover. 0074. In one aspect is an insect-resistant liner for lining initiator and an O-hydroxyketone photo-initiator, shelves, comprising 0045 (c) tetrahydrofurfuryl acrylate: 0075 a fibrous substrate: 0046 (d) at least one acrylate, methacrylate, diacry 0076 a coating layer, wherein the coating comprises a late, dimethacrylate, triacrylate and/or trimethacrylate UV curable waterproofing formulation comprising: monomer, wherein the acrylate is other than tetrahy 0.077 (a) SiO, nano-fillers; drofurfuryl acrylate, in an amount of about 2% by 0078 (b) a benzoyldiphenylphosphine oxide photo weight up to about 80% by weight; initiator and an O-hydroxyketone photo-initiator, 0047 (e) a cross-linkable, silicone acrylate, silicone 0079 (c) tetrahydrofurfuryl acrylate: methacrylate, silicone diacrylate, silicone dimethacry 0080 (d) at least one acrylate, methacrylate, diacry late, silicone triacrylate and/or silicone trimethacrylate: late, dimethacrylate, triacrylate and/or trimethacrylate monomer, wherein the acrylate is other than tetrahy 0048 (f) at least one metal salt comprising: drofurfuryl acrylate, in an amount of about 2% by 0049 a cation selected from among Li, Na', K", weight up to about 80% by weight; Mg, Cat, Al, Zn, Mn, and Ag"; and 0081 (e) a cross-linkable,