Abstract: A heater cable is wired in combination with a lead cable, the two cables form a pattern wherein the heater cable and the lead cable are spaced by a predetermined distance L, in the range of 0 to 10 mm, from each other and are supplied with opposite flow of current. The heater cable has a core thread, a heating element wire wound in a spiral on the outer surface of the core thread, a fusing layer provided over the heating element wire, a signal wire wound in a spiral on the outer surface of the fusing layer and a protective coating provided over the signal wire. The lead cable has a conductive wire covered at its outer surface with an insulating coating.

Abstract: A heater cable is wired in combination with a lead cable, the two cables are formed such a pattern that the heater cable and the lead cable are spaced by a predetermined distance L from each other and are capable to be supplied with opposite flows of current. The heater cable has a core thread, a heating element wire wound in a spiral on the outer surface of the core thread, a fusing layer provided over the heating element wire, a signal wire wound in a spiral on the outer surface of the fusing layer and a protective coating provided over the signal wire. The lead cable has a conductive wire covered at its outer surface with an insulating coating.

Abstract: A magnetic recording medium is disclosed which comprises a non-magnetic support and a magnetic coating layer formed thereon, the magnetic coating layer being formed by applying a magnetic coating composition comprising a resinous binder and magnetic particles dispersed therein, wherein the coating composition contains, as a resinous binder, a modified polyurethane resin obtained by reacting a polyurethane resin (A) with a bicyclic amide acetal (B), the polyurethane resin (A) having carboxyl groups in an amount of 50 to 2,000 equivalents/10.sup.6 g and the equivalent ratio of the bicyclic amide acetal (B) to the carboxyl groups of the polyurethane resin (A) being within the range of 0.5 to 2.0.

Abstract: The use of an amorphous block copolyester resin as a viscoelastic resin for a composite vibration damping material, and a viscoelastic resin composition for a composite vibration damping material which comprises the amorphous block copolyester resin and at least one compound selected from the group consisting of polyepoxy compounds, polyisocyanate compounds and acid anhydrides.

Abstract: A viscoelastic resin which comprises a reaction product of:(A) a polyester diol having a molecular weight of 400 to 6,000, at least 60 mol % of the dicarboxylic acid component of which is an aromatic dicarboxylic acid and at least 30 mol % of the glycol component of which is neopentyl glycol or its derivative;(B) an aliphatic polyester diol having a molecular weight of 600 to 6,000;(C) a diisocyanate compound; and(D) a chain extender;said (A), (B), (C) and (D) being reacted in a weight ratio (A):(B):(C) of 100:0 to 150:10 to 100:0 to 30.

Abstract: A magnetic recording medium prepared by applying a magnetic material onto a non-magnetic support, said coating material containing fine ferromagnetic particles dispersed in a binder and curing said magnetic coating material, characterized in that said binder comprises a thermoplastic resin or a radiation-curable resin wherein there is chemically bonded to the resin at least one phosphorous compound represented by the following formulae: ##STR1## wherein, X, Y and R.sub.1 -R.sub.5 is as disclosed herein. The present invention also relates to a method of producing said recording medium.

Abstract: An adhesive resin composition is described, comprising: (A) a thermoplastic copolyester resin prepared from (1) a dicarboxylic acid component comprising from 40 to 100 mol % of terephthalic acid and from 0 to 60 mol % of other aromatic dicarboxylic acid and (2) a low molecular weight glycol component comprising from 40 to 100 mol % of 1,4-butanediol and from 0 to 60 mol % of diethylene glycol or 1,6-hexanediol and further from 0 to 10 mol %, based on the total carboxylic acid, of polytetramethylene glycol having a molecular weight of from 600 to 6,000, which has a melting point of from 90.degree. to 160.degree. C. and a reduced viscosity of at least 0.5; and (B) an ethylene copolymer having at least one functional group selected from an epoxy group, a carboxylic acid group, and a dicarboxylic anhydride group; and if desired, (C) a thermoplastic resin other than the resin (A), and if further desired, (D) a polyfunctional epoxy compound.

Abstract: An adhesive resin composition is described, comprising: (A) a thermoplastic copolyester resin prepared from (1) a dicarboxylic acid component comprising from 40 to 100 mol % of terephthalic acid and from 0 to 60 mol % of other aromatic dicarboxylic acid and (2) a low molecular weight glycol component comprising from 40 to 100 mol % of 1,4-butanediol and from 0 to 60 mol % of diethylene glycol or 1,6-hexanediol and further from 0 to 10 mol %, based on the total carboxylic acid, of polytetramethylene glycol having a molecular weight of from 600 to 6,000, which has a melting point of from 90.degree. to 160.degree. C. and a reduced viscosity of at least 0.5; and (B) an ethylene copolymer having at least one functional group selected from an epoxy group, a carboxylic acid group, and a dicarboxylic anhydride gruop; and if desired, (C) a thermoplastic resin other than the resin (A), and if further desired, (D) a polyfunctional epoxy compound.

Abstract: An aqueous dispersion of polyester resin which comprises(A) a crystalline polyester having a melting point of 70.degree. to 200.degree. C. and containing 0.5 to 10% by mole of an aromatic dicarboxylic acid having a metal sulfonate group as the polycarboxylic acid component,(B) a non-crystalline polyester having a softening point of 40.degree. to 200.degree. C. and containing 0.5 to 10% by mole of an aromatic dicarboxylic acid having a metal sulfonate group as the polycarboxylic acid component,(C) a water-soluble organic compound having a boiling point of 60.degree. to 200.degree. C., and(D) water, said components (A), (B), (C) and (D) being incorporated in the following weight ratio:A/B=0-95/100-5 (1)A+B/C/D=10-70/2-40/20-88 (2)0.02.ltoreq.C/C+D.ltoreq.0.66.

Abstract: A powder coating composition comprising:(a) a compound having at least two epoxy groups in the molecule;(b) a compound having at least two carboxyl groups in the molecule; and(c) a compound of the formula: ##STR1## wherein m and n are each an integer of 1-10.sup.5 provided that m.ltoreq.n; R.sub.1 is a residue of a mono or polybasic carboxylic acid; R.sub.2, R.sub.3, R.sub.4 and R.sub.5 are, the same or different, each an unsubstituted or substituted C.sub.1-30 alkyl, C.sub.6-10 cycloalkylalkyl, C.sub.5-8 cycloalkyl, C.sub.6-20 aryl or C.sub.7-30 aralkyl or at least two of them many form together with nitrogen atom a saturated or unsaturated heterocyclic group, said composition being able to be thermoset at low temperature and form a paint film having excellent surface smoothness without browning of the film.

Abstract: A magnetic recording medium having a high ratio of the residual magnetization (Br) to the saturation magnetization (Bm) and decreased voids, which has a magnetizable layer of magnetic particles which are dispersed in a binder: a polyester or polyurethane having a metal sulfonate group of 10 to 1,000 equivalents/10.sup.6 g of the polymer, preferably a polyester having a reduced viscosity of 0.2 or more and having a metal sulfonate group of 20 to 300 equivalents/10.sup.6 g of the polyester; a polyester having a reduced viscosity of less than 0.2 and having a metal sulfonate group of 20 to 500 equivalents/10.sup.6 g of the polyester; or a polyurethane having a metal sulfonate group of 20 to 400 equivalents/10.sup.6 g of the polyurethane. Said magnetic recording medium is particularly suitable for an electronic computer tape and video tape.

Abstract: A hydroxyl terminated copolyester which is basically constituted with ethylene glycol and terephthalic acid is formulated into a heat curable powder coating composition by mixing with specific plural silicone compounds. The resultant paint film is excellent in flatness and free from leveling faults and has superior properties.

Abstract: A powder coating composition comprising1. an unsaturated polyester which is prepared by reactingA. terephthalic acid or its lower alkyl ester, andB. an .alpha.-olefinic dicarboxylic acid, andC. optionally an organic acid having at least three carboxy groups in the molecule or its functional derivative, andD. an aliphatic or alicyclic glycol; and2. an organic peroxide and a molecular terminal cross linking or bridging agent, said powder coating composition being able to form a film having excellent properties, such as excellent gloss, hardness, impact strength, heat resistance, weatherability and corrosion resistance.

Abstract: A powder coating composition comprising1. an unsaturated polyester which is prepared by reactingA. terephthalic acid or its lower alkyl ester, andB. an .alpha.-olefinic dicarboxylic acid, andC. optionally an organic acid having at least three carboxy groups in the molecule or its functional derivative, andD. an aliphatic or alicyclic glycol; and2. an organic peroxide and a molecular terminal cross linking or bridging agent, said powder coating composition being able to form a film having excellent properties, such as excellent gloss, hardness, impact strength, heat resistance, weatherability and corrosion resistance.