EMEA
Dispersions & Resins

Adhesive Technologies

The many different, technically demanding requirements that today’s adhesives have to meet call for a wide range of technologies and raw materials. Find the right adhesive raw material to match your technology.

An increasing awareness of health and environmental issues has intensified the demand for waterbased and/or solvent-free adhesive systems. As a partner of the adhesive industry BASF offers a large and innovative palette of adhesive raw materials and additives. Our products facilitate the manufacturing of top-performance, environmentally friendly adhesives for the most varied applications. Combining comprehensive technical support with high levels of competence concerning toxicology and environmental issues, BASF is one of the preferred suppliers of the adhesive industry.

BASF is the leading supplier of high-quality, aging-resistant polyacrylates. Years of experience in the polymerization of acrylates allow the targeted implementation of structure-efficacy principles that ensures an adjustment of adhesive qualities across a wide gamut of applications. Apart from physically setting adhesives we also offer acrylates that harden through chemical and/or photochemical reaction.

 

Polyacrylic dispersions

Acrylic dispersions are sold under the well-known Acronal® brand name. Depending on use and application technology requirements, a broad range of suitable acrylates for water-based, environmentally friendly adhesive systems is available of which some combine high concentrations with low viscosity.

Product name

Characteristics

Acronal 3591

self-crosslinking copolymer with good adhesion to olefinic substrates, APEO-free, low VOC content

Acronal 3612

acrylic ester copolymer with excellent damping performance at low temperature

Acronal 3626

acrylic ester copolymer with excellent damping performance at higher temperature

Acronal 3640 self-crosslinking copolymer with good adhesion to olefinic substrates, APEO-free, low VOC
Acronal 4 D

Aqueous dispersion of polybutylacrylate

Acronal 50 D

Aqueous dispersion of an acrylic ester copolymer which also contains acrylonitrile

Acronal 80 D

Aqueous dispersion of an acrylic ester copolymer which also contains acrylonitrile

Acronal 500 D

copolymer with good adhesion to olefinic substrates, APEO-free

Acronal A 107

Aqueous dispersion of polybutyl acrylate

Acronal A 145

Aqueous dispersion of an acrylate copolymer containing carboxyl groups

Acronal A 213 S

Aqueous dispersion of an acrylate copolymer that crosslinks at room temperature

Acronal A 225

Aqueous dispersion of an acrylate copolymer containing carboxyl groups

Acronal A 240

 Aqueous dispersion of an acrylate  copolymer containing carboxyl groups

Acronal A 245

Aqueous dispersion of an acrylate copolymer containing carboxyl groups

Acronal A 310 S

self-crosslinking copolymer with good adhesion to olefinic substrates

Acronal A 311 S

self-crosslinking copolymer with good adhesion to olefinic substrates

Acronal DS 3502

high viscous dispersion of acrylic ester copolymer with broad adhesion spectrum and with excellent damping performance at room temperature

Acronal 3618

high viscous, pressure sensitive acrylic ester copolymer dispersion

Acronal LA 449 S

Aqueous dispersion of an acrylate copolymer with carboxylic groups that can be cross-linked by heating

Acronal N 285

Aqueous dispersion of a carboxylgroup- containing acrylate copolymer made with acrylonitrile

Acronal N 286

Aqueous dispersion of a carboxyl-group-containing acrylate copolymer made with acrylonitrile

Acronal S 201

copolymer with good adhesion to olefinic substrates, APEO-free

Acronal S 400

soft acrylic ester copolymer

Acronal S 504

aqueous dispersion of an acrylate styrene copolymer

Acronal V 115

Aqueous dispersion of an acrylate copolymer containing carboxyl groups

Acronal V 212

pressure-sensitive acrylic ester copolymer dispersion

Acronal V 215

Aqueous dispersion of an acrylate copolymer containing carboxyl groups

Polyacrylate resins

The products sold under the brand name of acResin® include amorphous polyacrylate resins, which can be applied in liquid form at high temperatures and subsequently be cured upon exposure to ultraviolet light. At low temperatures, high levels of thermal stability can be achieved without a loss of adhesiveness. Hence, these acrylate resins combine the freedom from solvents associated with traditional hot melts with the high levels of thermal stability that are the hallmark of dispersion adhesives and the general aging-resistance of polyacrylates.

Product name

Characteristics

acResin® A 204 UV

UV-reactive, solvent-free acrylic copolymer

acResin® A 250 UV

UV-reactive, solvent-free acrylic copolymer

acResin® A 260 UV

UV-reactive, solvent-free acrylic copolymer

acResin® UV 3532

UV-reactive, solvent-free acrylic copolymer

Polyurethane dispersions (PUD)

The trend towards water-based systems is also noticeable in the field of polyurethane adhesives. Apart from the ecological aspects, polyurethane dispersions have the advantage that, unlike non-aqueous PU systems, they can be applied in a way that combines high solids content with low viscosity irrespective of the molar mass. The wide adhesion range and the excellent stability values make the polyurethane dispersions of BASF (Luphen®, Epotal®, Emuldur®) the ideal raw material for a variety of demanding adhesive and primer applications. The palette of available dispersions includes amorphous as well as crystallizing polyurethanes that feature many different qualities ranging from compostable, hydrolysis-resistant to sticky and non-sticky.

Product name

Characteristics

Emuldur® 381 A

elastomeric polyurethane forming very tough, tack-free films, acting as barrier for plasticizer

Epotal® FLX 3621

amorphous polyurethane with excellent adhesion to a broad range of films, cross-linkable to improve temperature and chemical resistance

Epotal® P 100 ECO

crystallizing polyurethane with excellent adhesion to natural films, biodegradable films, aluminium

Epotal® P 350

elastomeric polyurethane with good adhesion to polyolefinic substrates forming tacky films

Luphen® 700

amorphous elastomer forming tack-free polyurethane films

Luphen® 3615

crystallizing polyurethane with excellent adhesion to ABS, PVC, PET and natural fiber-based substrates

Luphen® 3685

crystallizing polyurethane with good adhesion to natural fiber-based substrates and ABS, PVC, PET

Luphen® D 207 E

crystallizing polyurethane with good adhesion to natural fiber-based substrates and ABS, PVC, PET

Luphen® D 259 U

auto-adhesive, tacky, amorphous polyurethane, resistant to hydrolysis and highly cross-linkable

Luphen® D DS 3548

epoxy modified, slowly crystallizing PU with excellent adhesion to different substrates

Polyvinyl ether (PVE)

Under the brand name Lutonal® BASF sells polymer adhesive raw materials that are based on polyvinyl ethers. These intensify the adhesion and attraction properties of formulations and/or act as a formulation additive for softer, more flexible adhesive films. In addition, aqueous polymer solutions sold under the brand name Lutonal® can be used to produce thermo-sensitive adhesive formulations that become water-insoluble at temperatures above 30 °C.

Product name Characteristics
Lutonal® I 60 ca.80% in mineral spirit vinylether with medium molar mass, pressure sensitive properties
Lutonal® M 40 ca.50% in water thermosensible (LCST = 28°C), enhances adhesion on metal, printed and painted surfaces
Lutonal® M 40, 100% water soluble resin enhancing adhesion on metal, printed and painted surfaces

Polyvinylpyrrolidones (PVP)

For several decades BASF has been producing and marketing special, water-soluble polymers that are based on polyvinylpyrrolidone (PVP). Due to their outstanding properties, PVP and the corresponding copolymers are used for many different technical applications. The products from the Luvitec® range boast excellent adhesion properties (on paper, glass, metal, skin, textiles, plastic), high initial adhesion, the option of subsequent curing delayed curing, physiological compatibility and unique film creation and melting characteristics. The typical applications are hot-melt adhesives, glue sticks and hydrogel adhesives.

Product Name

Solid Content (%)

             K-Value        

             NPV (%)     

LUVITEC® K 30
Powder

≥ 95%

27 - 33

100

LUVITEC® K 30
Solution 30%

29 - 31

27 - 33

100

LUVITEC® K 90
Powder

≥ 95%

88 - 92

100

LUVITEC® K 90 HM
Powder

≥ 95%

92 - 96

100

LUVITEC® K 90 CQ
Solution 10%

9,5 - 10,5

90 - 98

100

LUVITEC® K 90
Solution 20%

19 - 21

90 - 98

100

Technical Data Sheet

   

LUVITEC® VA 64 P
Powder

≥ 95%

28 - 32

60

LUVITEC® VA 6535 P
Powder

≥ 95%

37 - 45

65

Technical Data Sheet

 

   

Polyisobutenes (PIB)

BASF supplies a wide range of polyisobutenes (PIB) with low-, medium- and high molecular weight.  The good adhesion properties of the medium molecular weight Oppanol® and the well-balanced elasticity, especially of the high molecular weight grades, make Oppanol® excellent applicable for pressure-sensitive adhesives and hot-melt adhesives. The applications for Oppanol® range from adhesives, sealants through to chewing gum base.

Polyisobutene-based adhesive systems are very effective, even on lightly soiled surfaces, because of their high oil absorption capacity and their good ability to bind fillers.

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Relevant properties of Oppanol® for adhesives

  • forms a barrier to moisture
  • high adhesion and tack
  • high water resistance
  • good resistance to aqueous solutions of chemicals
  • low electrical conductivity
  • cold flow, self-healing
  • does not sensitize and irritate the skin
  • food contact approved

Hydrophilized Crosslinking Agent

In order to improve cohesion, adhesion and thermal stability after application, aqueous adhesives can be combined with water-dispersible crosslinking agents. The Basonat® range sold by BASF includes such systems, which facilitate the development of both aqueous two-component adhesives and the formulation of waterbased systems with long pot lives. The products sold under the Basonat® brand name are polymer crosslinking agents that can easily be dispersed in aqueous acrylate and/or polyurethane dispersions or aqueous polymer solutions.

Product name Characteristics
Basonat® DS 3582 solvent-free, water-dispersable carbodiimide
Basonat® F 200 WD solvent-free isocyanate
Basonat® HW 180 PC 80% solution of polyisocyanates in propylene carbonate, easy to disperse in water
Basonat® LR 9056 solvent-free aliphatic polyisocyanate, easy to disperse in water
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