78results about How to "Excellent blocking resistance" patented technology

A black ink composition is provided which suppresses change in hue and can form an image with superior blocking resistance and scratch resistance.

The black ink composition for ink jet recording includes a carbon black pigment; at least any one type of colorant pigment which is selected from a magenta pigment and a cyan pigment; a water-soluble polymerizable compound; a polymerization initiator; and water, wherein the average primary particle diameter of the carbon black pigment is 20 nm or more and less than 35 nm, the content ratio of the carbon black pigment with regard to the total mass of all of the pigments is 70 mass % or less, and the total mass of all of the pigments with regard to the total mass of the black ink composition is 4 mass % or less.

A toner is provided that comprises a colorant and a binder resin, wherein the binder resin comprises a polyester resin that is prepared by a polycondensation reaction in the presence of at least a titanium-containing catalyst expressed by General Formula (II) or (II), the toner has a volume average particle diameter of 2.0 μm to 10.0 μm and a ratio Dv/Dn within a range of 1.00 to 1.40, in which Dv represents a volume average particle diameter and Dn represents a number average particle diameter,

Ti(—X)m(-OH)n  General Formula (I)

O═Ti(—X)p(-OR)q  General Formula (II)

• • in General Formulas (I) and (II), X represents a residue of a mono-alkanolamine of 2 to 12 carbon atoms or a polyalkanolamine from which a hydrogen atom of one hydroxyl group is removed; other hydroxyl group(s) and still other hydroxyl group(s), within the polyalkanolamine molecule that has a directly bonding Ti atom, may polycondense to form a ring structure; other hydroxyl group(s) and still other hydroxyl group(s) may polycondense intermolecularly to form a repeating structure; and the polymerization degree is 2 to 5 in a case of forming the repeating structure; R represents one of a hydrogen atom and alkyl groups of 1 to 8 carbon atoms that may have 1 to 3 ether bonds; “m” is an integer of 1 to 4; “n” is an integer of 0 to 3; the sum of “m” and “n” is 4; “p” is an integer of 1 or 2; “q” is an integer of 0 or 1; the sum of “p” and “q” is 2; and in a case that “m” and “p” is 2 or more, the respective Xs may be identical or different each other.

Disclosed is a highly adhesive thermoplastic resin film which is substantially free from decrease in adhesion under high temperature high humidity conditions. Specifically disclosed is a highly adhesive thermoplastic resin film which comprises a coating layer on at least one surface of a base film. The highly adhesive thermoplastic resin film is characterized in that the coating layer contains (a) a urethane resin that contains a polycarbonate polyol as a component, and/or a polyester resin that does not substantially contain a carboxylic acid group and has a number average molecular weight of not less than 15,000, and (b) a carbodiimide compound.

The invention provides a chrome-free insulating coating composition and a preparation method and an oriented silicon steel plate. The coating composition comprises the following components of, by weight, 100 parts of phosphate solutions, 1-5 parts of molybdate, 50-150 parts of silica sols, 3-13 parts of selenium dioxide, 1-10 parts of metallic oxide and/or metal hydroxide, 5-15 parts of organic acid, 1-6 parts of boric acid and 100-300 parts of water. The preparation method of the composition comprises the steps that the phosphate solutions, the boric acid and the water are added; the selenium dioxide and the organic acid are sequentially added; and the metallic oxide and/or metal hydroxide and the molybdate are added, then the silica sols are added, and the composition is obtained. The oriented silicon steel plate comprises a pedestal and a chrome-free insulating coating formed on the surface of the pedestal, and the chrome-free insulating coating is obtained by coating the chrome-free insulating coating composition on the surface of the pedestal. The chrome-free insulating coating has extremely high interlayer resistance, surface hardness and surface tension and shows the excellent magnetic property improved effect.

The invention relates to new, aqueous secondary copolymer dispersions, to a process for preparing them and to their use for producing high-grade coatings, especially for wood. The dispersions comprise a copolymer (P) synthesized from a mixture of free-radically polymerizable monomers (M) comprising (M1) cycloaliphatic esters of acrylic and/or methylacrylic acid and also (M2) vinyl esters of aliphatic carboxylic acids.

The present invention provides a novel coating agent with an excellent antistatic property, solvent resistance and adhesive resistance. The antistatic coating agent contains acroid resin (A) having carboxylate anion group, a polyfunctional aziridine compound (B) and a Pi conjugated conductive polymer (C) containing hetero atoms.

Provided is a laminated polyester film, in which a laminated layer comprising two types of polyester resins having different glass transition points from each other is formed on at least one side of polyester film wherein the two types of polyester resins are composed of a polyester resin (A) having a glass transition point of from 60 DEG C to 100 DEG C, and a polyester resin (B) having a glass transition point of from 0 DEG C to 60 DEG C and the polyester resin (B) contains a specified component, and a dicarboxylic acid component having a sulfonic acid metal base is set as a specified ratio in entire dicarboxylic acid components in the polyester resins (A) and (B), satisfies adhesiveness to various types of coating materials which has conventionally been incompatible and, further, satisfies anti-blockingproperties,transparency,scratch resistance and the other properties.

The present invention provides a surface protective film which has proper adhesion property even for an adherend having a rough surface, which is excellent in sliding property of a back surface and is excellent also in anti-blocking property and unwinding characteristic (unwinding tension is reduced, no wrinkle or damage occurs even upon the attaching to the adherend, and the easy and high-speed attachment is made possibly). The surface protective film of the present invention comprising a three-layer composite form consists of an adhesive layer, a middle layer and a back surface layer, wherein the adhesive layer consists of a straight chain-form low density polyethylene 35 to 90 wt.%, a styrenic elastomer 5 to 50 wt.% and a tackfier <= 15wt.%, the middle layer consists mainly of a propylenic resin and the back surface layer is composed mainly of a propylenic resin constituting the middle layer and/or different propylenic resin, and the back surface layer has a surface roughness of >= 3 [mu] m by a ten-point mean roughness(Rz).

An optical semiconductor device includes a metal lead frame including first and second plate portions, an optical semiconductor element mounted on the metal lead frame, and a reflector provided around the optical semiconductor element. A material for the reflector is an epoxy resin composition containing: (A) an epoxy resin; (B) a curing agent; (C) a white pigment; (D) an inorganic filler; and (E) at least one of a carboxylic acid and water. Components (C) and (D) are present in a total proportion of 69 to 94 wt % based on the amount of the overall epoxy resin composition, and the component (E) is present in a proportion of 4 to 23 mol % based on the total amount of the components (B) and (E). The resin composition has a higher glass transition temperature, and is excellent in moldability and blocking resistance and substantially free from warpage.

The invention provides an aqueous coating resin composition capable of forming a coating film which is improved in weather resistance, resistance to hot water whitening, frost damage resistance and blocking resistance without impairing excellent film performance and which exhibits excellent stain resistance over a long period just after application, particularly in the outdoors, especially, an aqueous coating resin composition which is favorably usable as a clear coating material requiring higher stain resistance and higher resistance to hot water whitening than those of pigment-containing coating materials. An aqueous coating resin composition which comprises a (meth)acrylic emulsion (A) obtained by emulsion polymerization and a water-soluble resin (B) as the essential components, characterized in that the (meth)acrylic emulsion (A) and the water-soluble resin (B) are ones capable for forming a crosslinked structure.

[Object] To provide a resin composition with excellent mold releasability and blocking resistance.

[Solution] A resin composition containing a 4-methyl-1-pentene polymer includes 0.01 to 10 parts by mass of a 4-methyl-1-pentene polymer (B) per 100 parts by mass of at least one resin (A) selected from the group consisting of thermoplastic resins and thermosetting resins, wherein the 4-methyl-1-pentene polymer (B) has (B1) an intrinsic viscosity [η] of 0.01 or more but less than 0.50 dl/g measured at 135° C. in a decalin solvent.

The present invention provides a release film excellent in peelability. The release film has a small peeling force, which is not liable to increase with a lapse of time even in a state that the release film adheres to an adhesive layer; the transfer of a silicone component to the adhesive layer is less, and the adhesive force of the adhesive layer to which the film adheres is not reduced. The release film excellent in peelability is characterized in that a release agent layer (4) having a thickness of 0.4 to 2 [mu]m and containing a silicone-based release agent is provided on one surface of a base film (1), and an adhesive resin layer (2) containing inorganic fine particles and/or polymer particles as fine particles (3) are arranged on the other surface of the base film; the fine particles (3), the adhesive resin layer (2) and the release agent layer (4) satisfy the following conditions (1) and (2): (1) the volume reference average particle size of the fine particles (3) is more than twice the thickness of the release agent layer (4); (2) the thickness of the adhesive resin layer (2) is in the range of 25 to 60% of the volume reference average particle size of the fine particles (3).

The invention relates to a surface protection film which is to be applied to the surfaces of building materials, various resin plates for use in electrical and electronic fields, glass plates, metal plates and so on for the purpose of protecting the adherends from scratching, contamination or the like in storage, transportation, or post-processing. A surface protection film which little stains the surface of an adherend and is excellent in fabricability is provided by using, as the main resin component constituting the pressure-sensitive adhesive layer of the film, a resin blend which comprises an amorphous a-olefin polymer and a linear low-density polyethylene at a specific ratio or which comprises an amorphous a-olefin polymer, a linear low-density polyethylene, and a crystalline ethylene/a-olefin copolymer at a specific ratio.

A heat-shrinkable polyester-based film, characterized in that it exhibits a heat-shrinking percentages in (A) a warm water of 70 DEG C and (B) warm water of 85 DEG C of (A) 10 to 50 % in the maximum shrinkage direction and (B) 75 % or more in the maximum shrinkage direction and 10 % or less in the direction orthogonal to the maximum shrinkage direction, (C) the difference in heat-shrinking percentages DeltaX (%) representing X0 - X10 is 10 to 20 %, wherein X0 (%) represents the heat-shrinking percentage in the maximum shrinkage direction in a warm water of 95 DEG C and X10 (%) represents the heat-shrinking percentage of a film having been heat-shrunk by 10 % in the maximum shrinkage direction in a warm water of 95 DEG C, (D) the three-dimensional surface roughness SDeltaa of 0.008 to 0.04 and (E) the three-dimensional surface roughness SRz of 0.6 to 1.5 mum. The heat-shrinkable polyester-based film exhibits good accomplishment of shrinkage, the reinforcement function for the resulting shrink-coated container and good resistance to blocking and is also excellent in workability in film making and processability, even when it is used for full labeling. Further, the present invention provides a heat-shrinkable polyester-based film capable of absorbing ultraviolet rays and a heat-shrinkable polyester-based film roll which exhibits uniform heat-shrinking characteristics over the whole of a long film.

The invention provides a release film with excellent smoothness and anti-adhesion performance, and a manufacturing method of the release film. The release film (1) includes a base material (11) formed by a polyester film, and a release agent layer (12) which is coated on a surface (11a) of the base material (11) to form a composition; the arithmetic mean roughness (Ra) is greater than 5 nm and less than 40 nm, and the maximum rise height (Rp) is greater than 50 nm and less than 1000 nm; the thickness of the release agent layer (12) is greater than 0.05 [mu]m and less than 0.35 [mu]m; adhesion energy of the release agent layer (12) is greater than 15 mJ/m2 and less than 35 mJ/m2, wherein the adhesion energy is calculated by using a force curve measured by an interatomic force microscope.

The invention provides a transfer sheet for active energy ray curing intra-mold forming and a manufacture method thereof, wherein the transfer sheet has excellent adhesion resistance and sealing performance and heat resistance during forming. The transfer sheet for active energy ray curing intra-mold forming is characterized in that primer agent composites are used for half-curing, wherein the primer agent composites contain active energy ray curing crylic acid acrylic ester resin with hydroxyl and (methyl) acryloyl groups and/or active energy ray curing carbamic acid ester acrylic ester resin and polyisocyanate compounds; or active energy ray curing crylic acid acrylic ester resin and/or active energy ray curing carbamic acid ester acrylic ester resin curing hard coating and/or curing primer coating are used for half curing.

Provided is a composition for electricity storage devices, which is able to produce an electrode or separator that has excellent blocking resistance, while being capable of effectively preventing positional shift when the electrode and the separator are laminated (namely, exhibiting adequate blocking performance). A composition for electricity storage devices according to the present invention contains a binder, a blocking inhibitor and a liquid medium, and is characterized in that if M1 (parts by mass) represents the content of the binder and M2 (parts by mass) represents the content of the blocking inhibitor, M1 and M2 satisfy the relation 1< M1/M2< 4,000.

The invention relates to a polyacetal resin molded body, and particularly relates to a polyacetal resin molded body having stable sliding performance, less time-dependent color changes, low odour and excellent adhesion resistance. The polyacetal resin molded body comprises (A) polyacetal resin, (B) lubricating oil and (C) polyolefin. The long diameter of the polyacetal resin molded body is 2.5-4.0 mm, the short diameter is 1.4-2.8 mm, and the oblateness (the ratio of the long diameter to the short diameter) is larger than 1.25. In addition, the polyacetal resin molded body is further molded to obtain a component provided by the invention.

Provided is a silicone rubber composition that exhibits improved moldability, particularly extrusion moldability, while also ensuring that a cured product obtained therefrom has sufficient strength. Asilicone rubber composition comprising: (A) 100 parts by mass of a base polymer formed from (A1) a polyorganosiloxane diol having a viscosity at 25 DEG C of 1 to 100 Pa*s, and (A2) a polyorganosiloxane having a viscosity at 25 DEG C of 0.2 to 40,000 Pa*s, wherein the proportion of (A1) with respect to the total amount of (A) is 20 to 100 mass%, the viscosity at 25 DEG C is 5 to 20,000 Pa*s, and the alkenyl group content is 0.001 to 0.3 mmol/g; (B) 10 to 50 parts by mass of a silica powder having a specific surface area of 50 to 400 m2/g; (C) 1 to 10 parts by mass of an organosilazane; and (D)a catalytic amount of a curing agent.