Products in Tapes, Labels & Adhesives: Coupling Agent

VINNAPAS® 920 is a carboxylated, poly(vinyl alcohol) stabilized, vinyl acetate-ethylene (VAE) copolymer dispersion with a glass transition temperature (Tg) of -20 °C. It offers excellent flow, wetting, and adhesion to a wide variety of polymeric films, coatings, and other difficult substrates.

VINNAPAS® eco EAF 67 is an aqueous polymer dispersion, free of plasticizers, produced from vinyl acetate, ethylene, and acrylate monomers. This dispersion serves as a pressure-sensitive adhesive, exhibiting excellent cohesion and adhesion properties that remain effective even at elevated temperatures. The production of VINNAPAS® eco EAF 67 utilizes APEO-free surface active agents.

VINNAPAS® EAF 68 is a plasticizer-free, aqueous polymer dispersion produced from the monomers vinyl acetate, ethylene, and acrylate. VINNAPAS® EAF 68 is especially suitable as a raw material to manufacture floor covering adhesives, especially for carpets and PVC floor coverings. VINNAPAS® EAF 68 can also be used for the production of pressure-sensitive adhesives, such as self-adhesive tapes, films, labels, sound insulation mats, and heat insulation mats. VINNAPAS® EAF 68 may additionally be used as an adhesion promoter in adhesive formulations.

VINNAPAS® EAF 67 is a plasticizer-free, aqueous polymer dispersion produced from the monomers vinyl acetate, ethylene, and acrylate. VINNAPAS® EAF 67 is especially suitable as a raw material to manufacture floor covering adhesives, especially for carpets and PVC floor coverings. VINNAPAS® EAF 67 can also be used for the production of pressure-sensitive adhesives, such as self-adhesive tapes, films, labels, sound insulation mats, and heat insulation mats. VINNAPAS® EAF 67 may additionally be used as an adhesion promoter in adhesive formulations.

KURARAY POVAL™ 22-88 SB by Kuraray is a water-soluble, polyvinyl alcohol (PVOH) defoamed grade. It is manufactured by alcoholysis of polyvinyl acetate. It exhibits high molecular weight, good cohesion, good adhesion to fibers-, fillers- and pigments. KURARAY POVAL™ 22-88 SB is recommended for the modification of emulsion adhesives.

KURARAY POVAL™ 25-98 R by Kuraray is a water-soluble polyvinyl alcohol (PVOH) specialty grade manufactured by alcoholysis of polyvinyl acetate. It exhibits high molecular weight, good cohesion, good adhesion to fibers-, fillers- and pigments. Its molecular structure contains peculiar functional groups that is silanol groups. The silanol groups are reactive with inorganic substances such as silica or alumina. KURARAY POVAL™ 25-98 R can be applied with inorganic substances to form water resistant films. Recommended for adhesives.

KURARAY POVAL™ 30-88 E by Kuraray is a partially hydrolyzed polyvinyl alcohol (PVOH) grade. It is used as an adhesive promoter. It exhibits good bonding strength and pigment binding capacity. It provides good cohesion and adhesion to fibers, fillers and pigments. It is suitable for modification of emulsion adhesives and remoistenable adhesives in the paper processing industry. Aqueous solution of KURARAY POVAL™ 30-88 E can be added to polymer emulsion which is already stabilized with polyvinyl alcohol to extend the open time, increase setting speed and influence the rheology. It is designed for use in postage stamps and labels.

KURARAY POVAL™ 23-88 E by Kuraray is partially hydrolyzed polyvinyl alcohol (PVOH) grade. It offers good cohesion and adhesion to fibers, fillers and pigments. It exhibits good bonding strength and pigment binding capacity. It is suitable for modification of emulsion adhesives and remoistenable adhesives in the paper processing industry. It is used as an adhesive promoter. Aqueous solution of KURARAY POVAL™ 23-88 E can be added to polymer emulsion which is already stabilized with polyvinyl alcohol to extend the open time, increase setting speed and influence the rheology. It is recommended for use in postage stamps and labels.

KURARAY POVAL™ 3-98 by Kuraray is an odorless, fully saponified polyvinyl alcohol. It is a water-soluble polymer manufactured by alcoholysis of polyvinyl acetate. It possesses good penetration capacity and good adhesion properties. It exhibits varying degree of polymerization and hydrolysis. It provides high cohesion & toughness, low electrostatic charging and re-dissolving capacity of the dried film in water. Its aqueous solution can be added to polymer emulsions already stabilized with polyvinyl alcohol which affects the extension of the open time, setting speed and rheology. KURARAY POVAL™ 3-98 is designed for use in pressure sensitive adhesive labels. Complies with EU Directive 67/548/EC.

KURARAY POVAL™ 5-98 by Kuraray is fully hydrolyzed polyvinyl alcohol (PVOH) grade. It is suitable for modification of emulsion adhesives and remoistenable adhesives in the paper processing industry. It offers good cohesion and adhesion to fibers, fillers and pigments. It exhibits good bonding strength and pigment binding capacity. It is used as an adhesive promoter. Aqueous solution of KURARAY POVAL™ 5-98 can be added to polymer emulsion which is already stabilized with polyvinyl alcohol to extend the open time, increase setting speed and influence the rheology. It is recommended for use in postage stamps and labels.

KURARAY POVAL™ 28-98 S2 is polyvinyl alcohol (PVOH) grade by Kuraray. It is a water-soluble polymer manufactured by alcoholysis of polyvinyl acetate. It is used as an adhesive promoter. It is suitable for modification of emulsion adhesives and remoistenable adhesives in the paper processing industry. Aqueous solution of KURARAY POVAL™ 28-98 S2 can be added to polymer emulsion which is already stabilized with polyvinyl alcohol to extend the open time, increase setting speed and influence the rheology. It is used in postage stamps and labels. Complies with EU Directive 67/548/EC regulation. The recommended shelf life is 12 months.

KURARAY POVAL™ 48-80 by Kuraray is a biodegradable and recyclable polyvinyl alcohol (PVOH) having varying degree of polymerization and hydrolysis. It features water-solubility, excellent film forming characteristics, high tensile strength and elasticity, as well as resistance against organic solvents and dispersing power. It is a water-soluble polymer manufactured by alcoholysis of polyvinyl acetate. It is notable for its good bonding strength and pigment binding capacity because PVAs have such good cohesion and good adhesion to fibers, fillers as well as pigments. KURARAY POVAL™ 48-80 is used in a similar manner as natural products such as casein as well as starch and its degraded derivatives (for example dextrin) as raw material to produce aqueous adhesive solution. For the modification of aqueous adhesives its aqueous solution can be added to polymer emulsions already stabilized with polyvinyl alcohol which affects the extension of the open time, increase of the setting speed and influence on the rheology. KURARAY POVAL™ 48-80 is used in producing silicon-based paper that are further used as release paper for PSA labels and in remoistenable adhesives which are employed mainly in the paper processing industry and films applications.

Kuraray Poval™ LM-10HD by Kuraray is an ultra-low saponified polyvinyl alcohol (PVOH) grade. This grade is water-soluble polymer manufactured by alcoholysis of polyvinyl acetate. It is used as an adhesive promoter. It is suitable for modification of emulsion adhesives and remoistenable adhesives in the paper processing industry. It is used in postage stamps and labels. Aqueous solution of KURARAY POVAL™ LM-10 HD can be added to polymer emulsion which is already stabilized with polyvinyl alcohol to extend the open time, increase setting speed and influence the rheology. It can be stored for 12 months. Complies with EU Directive 67/548/EC regulation.

KURARAY POVAL™ 18-88 S2 by Kuraray is a water-soluble, polyvinyl alcohol (PVOH) grade manufactured by alcoholysis of polyvinyl acetate. It exhibits high molecular weight, good cohesion, good adhesion to fibers-, fillers- and pigments. It provides extension of the open time, increase of the setting speed and influence on the rheology. KURARAY POVAL™ 18-88 S2 is recommended for the modification of emulsion adhesives.

KURARAY POVAL™ 3-80 (Old name: PVA 403) by Kuraray is polyvinyl alcohol with colloid-chemical and excellent film-forming properties, and a high tensile strength. KURARAY POVAL™ 3-80 is used as a component of remoistenable adhesives, e.g. for postage stamps. In addition, the polymers are highly elastic and resistant to heat and organic solvents. Above all, the range of applications is based on the chemical properties, especially on the reactivity of the numerous hydroxyl groups with substances such as reactive resins, aldehydes and other reactive compounds.

KURARAY POVAL™ 30-88 is a partially hydrolyzed polyvinyl alcohol (PVOH) grade by Kuraray. It is suitable for modification of emulsion adhesives and remoistenable adhesives in the paper processing industry. It is used as an adhesive promoter. It provides good cohesion and adhesion to fibers, fillers and pigments. It exhibits good bonding strength and pigment binding capacity. It is recommended for use in postage stamps and labels. Aqueous solution of KURARAY POVAL™ 30-88 can be added to polymer emulsion which is already stabilized with polyvinyl alcohol to extend the open time, increase setting speed and influence the rheology.

KURARAY POVAL™ 5-88 by Kuraray is a partially hydrolyzed polyvinyl alcohol (PVOH) grade. It is suitable for modification of emulsion adhesives and remoistenable adhesives in the paper processing industry. It exhibits good bonding strength and pigment binding capacity. It is used as an adhesive promoter. It provides good cohesion and adhesion to fibers, fillers and pigments. This grade is used in postage stamps and labels. Aqueous solution of KURARAY POVAL™ 5-88 can be added to polymer emulsion which is already stabilized with polyvinyl alcohol to extend the open time, increase setting speed and influence the rheology.