Abstract:
Sheet material, useful for drafting, and diazo-type materials, having dispersed therein glass powder in a particle size range of 1 to 20 microns.
Abstract:
WHEREIN R IS AN ALKYL RADICAL HAVING FROM ONE TO FOUR CARBON ATOMS.
HO-(C3H6O)3-R
COMPOSITIONS COMPRISING ABS COPOLYMERS, I.E. ACRYLONITRILE, STYRENE, BUTADIENE RUBBER INTERPOLYMERS, HAVING INTIMATELY INCORPORATED THEREWITH FROM 0.5 TO 2 PERCENT BY WEIGHT OF A MONOALKYL ETHER OF TRIPROPYLENE GLYCOL HAVING THE GENERAL FORMULA
Abstract:
PRESSURE SENSITIVE ADHESIVES ARE MADE FROM OLEFINICALLY UNSATURATED ELASTOMERS OR BLENDS OF TWO OR MORE SUCH ELASTOMERS, CONTAINING BETWEEN ABOUT 0.1 AND ABOUT 3.5 MOL PERCENT OF SULFO OR THIOURONIUM GROUPS, EITHER UNNEUTRALIZED, PARITALLY, OR FULLY NEUTRALIZED WITH ORGANIC AMINES OR INORGANIC BASES, WHICH CAN BE ADMIXED WITH NORMALLY LIQUID, BUT VISCOUS, OR SOLID, CONVENTIONAL TACKIFIERS, I.E. LOW MOLECULAR WEIGHT POLYISOBUTYLENE, POLYBUTENES, ROSIN ESTERS, HYDROGENATED ROSIN METHYL ESTTERS, PETROLEUM RESINS, ETC. IN AN AMOUNT BETWEEN ABOUT 10 AND ABOUT 150 PHR. THESE ADHESIVES CAN BE DISSOLVED AT ABOUT 10 TO ABOUT 30 WT. PERCENT TOTAL SOLIDS IN CONVENTIONAL ORGANIC SOLVENTS, E.G. TOLUENE PLUS ISOPROPYL ALCOHOL, AND APPLIED TO SHEETS OR TAPES OF CLOTH, PLASTICS, CELLOPHANE, PAPER, POLYESTER FILMS, ETC. AND DRIED TO REMOVE SOLVENT LEAVING AN ADHESIVE FILM OF 1.0 TO 2.5 MILS IN THICKNESS PRESSURE SENSITIVE ADHESIVE TAPES AND SHEETINGS HAVING AN EXCELLENT BALANCE OF HOLD AND TACK PROPERTIES AND HAVING GOOD RESISTANCE TO COLD FLOW ARE PRODUCED.
Abstract:
GROUPS WHERE R IS ANY ALIPHATIC OR AROMATIC ORGANIC RADICAL AND A THERMOPLASTIC RESIN HAVING A PLURALITY OF HYDROXYL GROUPS. THIS RESINOUS PRODUCT IS SOLUBLE IN A SOLVENT TO THE EXTENT THAT ARTICLE MAY BE COATED OR IMPREGNATED WITH THE RESINOUS COMPOSITION BY CONVENTIONAL DIPPING OR WIPING FOLLOWED BY SOLVENT EVAPORATION. ARTICLES COATED WITH THE RESINOUS PRODUCT CAN BE BONDED TOGETHER BY SOFTENING THE PRODUCT EITHER BY HEATING THE RESINOUS COATING TO TEMPERATURES ABOVE ITS SOFTENING POINT OR BY APPLYING SELECTIVE SOLVENTS TO THE RESINOUS COATING. THE SIGNIFICANT FEATURE OF THE NEW RESINOUS PRODUCT IS THAT THE RESINOUS PRODUCT CAN THEN BE THERMOSET, IF DESIRED. IN SPECIFIC APPLICATIONS, THE NEW RESINOUS PRODUCT CAN BE USED AS A MAGNET WIRE ENAMEL AND A CEMENT FOR BONDING COATED ARTICLES INTO VARIOUS SELF-SUPPORTING AND INTEGRAL STRUCTURES FOR EXAMPLE COILS MADE OF MAGNET WIRE, AND OTHER FIXED FORMS MADE OF FIBROUS MATERIALS SUCH AS PAPER OR CLOTH MATERIALS INCLUDING TEXTILES AND NONWOVEN MATERIALS IMPREGNATED WITH THE RESINOUS PRODUCT OF THIS INVENTION OR FURTHER AS AN ADHESIVE THAT CAN BE THERMOSET BY THE METHOD OF THE INVENTION. THE METHOD OF THE INVENTION, IN THE SPECIFIC EMBODIMENT RELATING TO MAGNET WIRE, INCLUDES THE STEPS OF COMBINING THE RESIN AND COMPOUND ABOVE-MENTIONED TO FORM A RESINOUS PRODUCT, PREPARING A SOLUTION OF THE RESINOUS PRODUCT, COATING A CONDUCTOR WITH THE RESINOUS PRODUCT IN A CONVENTIONAL MANNER WHICH INCLUDES THE BAKING OF THE COATED CONDUCTOR TO REMOVE THE SOLVENT THEREFROM, FORMING A COIL OF THE MAGNET WIRE COATED WITH THE PRODUCT, AND BONDING ADJACENT PORTIONS OF MAGNET WIRE TOGETHER TO FORM A BONDED COIL PRODUCT. THIS LATTER STEP CAN BE PERFORMED BY USING ADDITIONAL SOLVENT OR BY HEATING THE COIL IN A SELECTED MANNER WHICH MAY RESULT IN THE RESINOUS PRODUCT EITHER REMAINING THERMOPLASTIC OR BECOMING THERMOSET, AS DESIRED.
-NH-COO-R
A RESINOUS BONDING COMPOSITION WHICH IS A COMBINATION OF A COMPOUND HAVING A PLURALITY OF
Abstract:
THERE ARE PROVIDED HIGH SOLIDS METHYLATED UREA-FORMALDEHYDE RESIN COMPOSITIONS COMPRISING (1) AT LEAST 80%, BY WEIGHT, OF A BLEND OF (A) LIQUID OR SYRUPY METHYLATED UREA-FORMALDEHYDE RESINS COMPOSED OF UREA, FORMALDEHYDE, AND METHANOL IN 1:2-3:1-2.5 MOLAR RATIO, RESPECTIVELY, AND (B) A MONOFUNCTIONAL BRANCHED-CHAIN ALIPHATIC ALCOHOL WHEREIN THE ALCOHOL IS PRESENT IN AN AMOUNT EQUAL TO FROM 30% TO 70% OF THE OVERAL BLEND AND (2) THE BALANCE, THAT IS, NOT MORE THAN, 20%, BY WEIGHT, IF DESIRED, BEING A SUITABLE SOLVENT FOR SAID BLEND. THE COMPOSITION, WHEN APPLIED AS A COATING TO A METAL OR WOOD SUBSTRATE AND HEATED, WILL RENDER THE SURFACE SUBSTANTIALLY FREE FROM PINHOLES, CRAWLING, AND CRATERING.
Abstract:
SHIRTS HAVING INCREASED WEAR LIFE ARE PRODUCED BY A METHOD COMPRISING SELECTIVELY TREATING THE SHIRT COLLAR AND NECK BAND WITH A COMPOSITION COMPRISING A NONAQUEOUS SOLUTION OF A POLYURETHANE POLYMER OR PRE-POLYMER WITH A FLUOROCARBON OIL REPELLANT AND SOIL RELEASE AGENT. THE TREATED COLLAR IS PRESSED AT ELEVATED TEMPERATURES TO CAUSE THE SITU POLYMERIZATION OF THE COMPOSITION THEREBY RESULTING IN A PERMANENT BOND BETWEEN THE SURFACE FIBERS OF THE SHIRT COLLAR AND THE POLYMERIZED COMPOSITION.