Abstract:
Heat-activable adhesive tape for producing and further processing flexible conductor tracks, with an adhesive composed at least of a. an acid- or acid anhydride-modified acrylonitrile-butadiene copolymer, and b. an epoxy resin, the weight ratio of the two components a/b being greater than 1.5 and no additional nonpolymer hardener being used.
Abstract:
Heat-activable adhesive tape particularly for producing and further processing electronic components and conductor tracks, with an adhesive composed at least of a) a polyamide having terminal amino and/or acid groups, b) an epoxy resin, c) a compound having a long apolar chain with at least 6 carbon atoms and at least one reactive end capable of reacting with the epoxy resins, d) if desired, a plasticizer, the polyamide reacting with the epoxy resin at temperatures of at least 150° C., and the ratio in weight fractions of a) to b) lying between 50:50 to 99:1.
Abstract:
Adhesive tape suitable for flying splice of flat web material having non-polar surfaces which has been wound to form rolls, the adhesive tape comprising an upper self-adhesive composition (1, 11), a splittable carrier (2, 12) and a lower self-adhesive composition (3, 13) on the bottom face of the splittable carrier (2, 12), wherein as upper self-adhesive composition (1, 11) a silicone-free self-adhesive composition is used which has a bond strength to a polyethylene substrate of 1.5 N/cm or more (measurement method tesa test A) and an initial tack corresponding to a rolling distance of 200 mm or less (measurement method tesa test D), and as lower self-adhesive composition (3, 13) a self-adhesive composition is used which has a bond strength to a polyethylene substrate of 1.5 N/cm or more (measurement method tesa test A) and a complex viscosity of 10,000 Pa·s or more at 1 rad/s and 40° C. (measurement method tesa test F).
Abstract:
An adhesive for an at least one-layer pressure sensitive adhesive sheet strip which is residuelessly and nondestructively redetachable by extensive stretching substantially in the bond plane, said adhesive being composed of at least one block copolymer having one or two end blocks composed of vinylaromatics, and a block composed of a conjugated diene, wherein the fraction of 1,2-linked diene is selectively hydrogenated.
Abstract:
An adhesive for an adhesive film strip, comprising a mixture of an acid-modified or acid anhydride-modified vinylaromatic block copolymer, a metal chelate of the following formula: (R1O)n M (XR2Y)m, where M is a metal from main group 2, 3, 4 or 5 or a transition metal; R1 is an alkyl or aryl group; n is zero or a greater whole number; X and Y are oxygen or nitrogen, and may each also be attached through a double bond to R2; R2 is an alkylene group connecting X and Y and may be branched, or else may contain oxygen or other heteroatoms in the chain; m is a whole number, but at least 1; and a tackifier resin, the adhesive film strip being detachable by extensive stretching in the direction of the bondline.
Abstract translation:一种用于粘合膜条的粘合剂,其包含酸改性或酸酐改性的乙烯基芳族嵌段共聚物,下式的金属螯合物的混合物:(R 1 O) M(XR 2 Y)m,其中M是来自主族2,3,4或5的金属或过渡金属; R 1是烷基或芳基; n为零或更大的整数; X和Y是氧或氮,并且各自也可以通过双键连接到R 2上。 R 2是连接X和Y的亚烷基,并且可以是支链的,或者可以在链中含有氧或其它杂原子; m是整数,但至少为1; 和增粘树脂,粘合膜条可以通过在粘合线的方向上的大量拉伸来拆卸。
Abstract:
Heat-activable adhesive tape for bonding electronic components and conductor tracks, with an adhesive composed at least of: a) an acid-modified or acid-anhydride-modified vinylaromatic block copolymer and b) an epoxidized vinylaromatic block copolymer.
Abstract:
Heat-activable adhesive tape for bonding electronic components and conductor tracks, with an adhesive composed at least of a) an acid-modified or acid-anhydride-modified vinylaromatic block copolymer and b) an epoxide compound.
Abstract:
An adhesive comprising at least a) polyisobutylene and b) at least one tackifying resin, c) the molecular weight distribution of the polyisobutylene having two relative maxima, specifically d) one between 50,000 and 200,000 g/mol and e) a second between 1.0×106 and 3.5×106 g/mol.
Abstract translation:一种至少包含a)聚异丁烯和b)至少一种增粘树脂的粘合剂,c)具有两个相对最大值的聚异丁烯的分子量分布,特别是d)一个在50,000和200,000g / mol之间,e)在1.0×10 6和5×10 6 g / mol。
Abstract:
A redetachable self-adhesive device a) whose reverse face is bonded with a strip of a double-sidedly adhering adhesive sheet in such a way that one end of the adhesive sheet projects beyond the device as a grip tab, b) the adhesive sheet is such that the bond made with it is redetachable by stretching pulling on the grip tab of the strip in the direction of the bond plane, wherein c) on its reverse face (2) the device (1), in the region (3A, 3B) situated opposite the grip tab (6) of the adhesive sheet strip (5), is designed in such a way that it has a distance (V) from the grip tab (6).