Typical acrylic pressure sensitive adhesive formulations are copolymers of alkyl ester monomers, a functional monomer such as acrylic acid, and may be crosslinked using, for example, aluminum or titanium chelates. Specific examples are Aluminum Acetylacetonate and Tyzor GBA as shown in Table 2 and Table 4. The monomer system used to make the acrylic backbone polymer could be solely based on low Tg alkyl acrylate ester monomers, but is preferably modified by inclusion of high Tg monomers and/or functional comonomers, in particular carboxy-containing functional monomers and/or hydroxy-containing functional monomers. Preferred are carboxy and/or hydroxy functional monomers. The polymer solution had a solids content of 42.7% and a Brookfield viscosity of 2500 cps. The molecular weight averages of the macromer were determined by GPC, relative to polystyrene standards, to be Mn=6600, Mw=7200 Daltons. These include esterification or transesterification using a strong acid or metal-containing catalyst (e.g., compounds of Ti, Sn and the like), by reaction with an acid chloride, or via a urethane reaction employing a metal catalyst, as described in U.S. Pat. It is an objective of this invention to overcome these problems. 5 lb weight with 1″×1″ overlap area. Privacy Policy Polymers having an acrylic backbone and side chains of macromer, whether rubber macromers or polyether macromers will generically and interchangeably be referred to herein as grafted polymers or as hybrid polymers. Adhesive polymer samples C, D and E, having the compositions shown in Table 1 were similarly prepared. 5,625,005. Pressure sensitive adhesives are a type of adhesive characterized by adhering with only the slightest force over a short time at room temperature, without using water, solvents, heat, or the like. A common C5 tackifying resin in this class is a diene-olefin copolymer of piperylene and 2-methyl-2-butene having a softening point of about 95° C. This resin is available commercially under the tradename Wingtack 95. Unless otherwise indicated, all testing was performed at 22° C. and 50% relative humidity. Specific examples of hydroxy functional monomers include hydroxyethyl acrylate, hydroxypropyl acrylate, hydroxyethyl methacrylate and hydroxypropyl methacrylate. Acrylic segment will hold the largest share in pressure sensitive adhesives market and is likely to grow at a CAGR of over 4.5% throughout the forecast timeframe. 2005/0142357 discloses a high strength pressure sensitive adhesive comprising a blend of a cross-linked liquid polymer, at least one tackifying resin which is compatible with the liquid polymer, and at least one resin which is incompatible or at least partially incompatible with the liquid polymer. Retrieved from the Internet: , 3 pages. Carboxy functional monomers will typically be present in the hybrid polymer in an amount of up to about 7% by weight, more typically from about 1 to about 5% by weight, based on the total weight of the monomers. Thus the preferred tackifiers are synthetic hydrocarbon resins derived from petroleum. The structural integrity once the glass is cracked becomes dependent on the plastic layer of the laminate. Preferably, a crosslinking agent such as an aluminum or a titanium crosslinking agent, is used. The holding power was measured under a shear load of 1 kg on a 0.5 inch wide by 1 inch long area, applied after wetting out the test panel for 15 minutes. The composition of acrylic polymer sample A is shown both in Tables 1 and 3, and was prepared as follows. The crosslinker is typically added in an amount of from about 0.3% to about 2% by weight of the hybrid polymer. We evaluate the pressure sensitive adhesion of each on a sheet of the backing coated with the pressure sensitive adhesive, rating them in terms of tackiness, adhesion (180 degree peel strength), and holding force. The substrates may be the same or different. All rights reserved. The adhesives may also comprise a tackifier. Another embodiment of the invention is directed to methods of preparing glass laminates having high impact resistance and to high impact resistant articles or products prepared using the high impact resistant glass laminates. At the end of the additions the flask contents were held at reflux for a further 2 hours. Hydrogenated hydrocarbon resins are especially useful when the long term resistance to oxidation and ultraviolet light exposure is required. The following abbreviations are in the Examples and Tables. SK-Dyne® is manufactured in our customized production facilities. Feel free to contact us with any questions. 2 Pressure Sensitive Adhesives for Labels Pressure sensitive labels today are all around us. The molecular weight averages, determined by gel permeation chromatography, were Mw=560,000 and Mn=34,000. Shear holding power was measured according to PSTC Test Method number 7, adapted as follows. Despite these advancements in the art, there continues to be a need for high performance pressure sensitive adhesives having high adhesion and heat resistance properties that are able to meet higher requirements in applications such as industrial tapes and transfer films. Products for construction and civil engineering. Then diluent consisting of 13.13 g Xylene, 8.78 g Heptanes and 15 g Isopropanol was slowly added to the reactor contents while cooling the contents to room temperature. While glass laminates are tested and rated in the industry by Underwriters Laboratory according to standards set forth in UL-972, in the following test examples impact resistance was measured by a Pendulum Impact Tester using the procedure described below. Low transition temperature monomers are those having a Tg of less than about 0° C. Preferred alkyl acrylates which may be used to practice the invention have up to about 18 carbon atoms in the alkyl group, preferably from about 4 to about 10 carbon atoms in the alkyl group. After 10 minutes at reflux a monomer mix containing 41.64 g 2-EHA, 23.38 g ethylene-butylene macromer, 11.9 g MA, 3.97 g HEA, and 5 g hexanes, and an initiator mix containing 40 g EtOAc, 10 g hexanes and 0.25 g AIBN were simultaneously, separately, and uniformly added over a period of 2 hours and 3 hours, respectively. The chemical makeup of the product is a major contributor to the performance of the product. Useful acrylic polymers include, for example, acrylic polymers prepared from 2-ethyl hexyl acrylate monomers, acrylic acid monomers, and vinyl acetate or methyl acrylate monomers. In one preferred embodiment, the monomer is grafted by copolymerization with the acrylic monomers through an olefin end group. Both the adhesives prepared using rubber macromers and the adhesives prepared using poly(alkylene glycol) methacrylate macromers have been discovered to be particularly useful when used in the manufacture of high impact resistance articles. In another aspect of this embodiment the high impact resistant article is prepared using a pressure-sensitive adhesive comprising an acrylic polymer backbone grafted with macromers having a polyether backbone. Al(acac)3: aluminum acetylacetonate from Aldrich. Items representing the wide lineup of SK-Dyne® series products are categorized below. The adhesive is advantageously used in end use applications where the manufactured article is subjected to vibration, stress or is vulnerable or prone to impact. Monomers used to prepare the acrylic polymers used in the practice of the invention will generally comprise at least one low glass transition temperature (Tg) alkyl acrylate monomer (i.e., monomers, homopolymers of which have a Tg less than 0° C.) and may also comprise at least one monomer having a high glass transition temperature (i.e., monomers, homopolymers of which have a Tg greater than 0° C.). We have grades suitable for various usage conditions including emulsions and solvents, self-crosslinking and two liquid crosslinking types with characteristics like weather resistance, transparency, and heat aging resistance. In a particular embodiment, the invention relates to pressure sensitive adhesive formulations comprising an acrylic polymer grafted with rubber macromer and/or a poly(alkylene oxide) macromer. Hydroxy functional monomers are generally used in an amount of from about 1 to about 10%, preferably from about 3 to about 7%. This example describes the preparation of an adhesive polymer sample BB using a poly(ethylene oxide)methyl ether methacrylate as macromer. Included are LCD displays, plate glass for use in windows, doors, partitions and the like for commercial and residential uses. The polymer solution maintained a fluid viscosity throughout the reaction and showed no tendency to climb the reactor stirring shaft. These hydrogenated resins include such resins as the Escorez 5000 series of hydrogenated cycloaliphatic resins from Exxon, hydrogenated C9 and/or C5 resins such as Arkon® P series of resins by Arakawa Chemical, hydrogenated aromatic hydrocarbon resins such as Regalrez® 1018, 1085 and the Regalite® R series of resins from Hercules Specialty Chemicals. The polymer solution had a solids content of 53.21% and a Brookfield viscosity of 9380 cps. Such comonomers include N-vinyl pyrrolidone, N-vinyl caprolactam, N-alkyl (meth)acrylamides such as t-octyl acrylamide, vinyl esters such as vinyl neodecanoate, cyanoethylacrylates, diacetoneacrylamide, N-vinyl acetamide, N-vinyl formamide, glycidyl methacrylate and allyl glycidyl ether. The initial charge was heated to reflux while stirring. The solvent blend, preferably ethyl acetate, hexane and/or heptane, and toluene, imparts the solubility that is necessary for good coating behavior at low and high coat weights. The ideal pressure sensitive adhesive (PSA) adhesive used in this laminate will lead to minimum amount of delamination of glass from plastic facestock. The adhesive will typically be applied in the 0.5 mil to 3 mils range. Our goal is always the same: to enhance product value and drive growth. The polymer solution had a solids content of 48.5% and a Brookfield viscosity of 2230 cps. The percentage of PET film delaminated from glass plate was measured after the collision, less of which indicates a better impact resistance of the product. Products made using pressure sensitive adhesives cover a huge range of everyday items and industrial items including tape sheets, label sheets, and much more. x 12 in.). The invention provides the art with high impact resistance articles manufactured using a pressure sensitive adhesive comprising a polymer having an acrylic backbone and side chains of macromer. At the end of the additions the flask contents were held at reflux for a further 2 hours. Then diluent consisting of 33.3 g toluene was slowly added to the reactor contents while cooling the contents to room temperature. The invention provides laminated glass panels and panes that are able to pass the Underwriters Laboratory test standard UL 972. This requirement translates into a strong bonding of PSA under very high speed delamination process, about 10000× fold higher than regular peeling test speed of 12″/min. Next the residual monomers were scavenged using a short half-life initiator added over a one hour period and the solution was held under reflux for a further hour. Useful backing substrates include, but are not limited to foam, metal, fabric, and various polymer films such as polypropylene, polyamide and polyester. 27,145 and 4,970,254, the disclosures of which are incorporated by reference herein. Adhesive polymer sample BB has the composition shown in Table 3 and was prepared as follows. Pressure Sensitive Adhesives Optimum chemistry for label applications DOW ADHESIVES. As noted above, the industrial standard, UL 972 for Burglary Resisting Glazing material, consists of multiple impact tests wherein a 5 lb steel ball is dropped onto 2′×2′ laminated glass substrate over different distances (8-40 feet) and under different temperatures (−10 to 49° C.).