Claims Analysis
Total Claims: 26
Claim 1
Independent Claim
76 words
A manufacturing method of absorbent composite comprising a step of applying to a substrate an aqueous solution containing a water-soluble radical polymerization initiator and a water-soluble ethylenically unsaturated monomer which can be converted into absorbent polymer by polymerization, and a step of polymerizing said monomer under a condition that the substrate applied with said aqueous solution is, on both the sides, held in contact with polymerization-inert surfaces facing each other, and thereby manufacturing an absorbent composite.
Claim 2
Dependent Claim
76 words
A manufacturing method of absorbent composite comprising a step of applying to a substrate an aqueous solution containing a water-soluble radical polymerization initiator and a water-soluble ethylenically unsaturated monomer which can be converted into absorbent polymer by polymerization, and a step of polymerizing said monomer under a condition that the substrate applied with said aqueous solution is, on both the sides, held in contact with polymerization-inert surfaces facing each other, and thereby manufacturing an absorbent composite.
Claim 3
Dependent Claim
31 words
A manufacturing method of absorbent composite according to claim 1, wherein the substrate to which the formed absorbent polymer is fixed after polymerization of said monomer is dried in a gas.
Claim 4
Dependent Claim
81 words
A continuous manufacturing method of absorbent composite for continuously passing a substrate, while moving, in the sequence of; (1) an application region for applying to the substrate an aqueous solution containing a water-soluble radical polymerization initiator and a water-soluble ethylenically unsaturated monomer which can be converted into an absorbent polymer by polymerization, and (2) a polymerization region for polymerizing the monomer under a condition that the substrate is, on both the sides, held in contact with polymerization-inert surfaces facing each other.
Claim 5
Dependent Claim
81 words
A continuous manufacturing method of absorbent composite for continuously passing a substrate, while moving, in the sequence of; (1) an application region for applying to the substrate an aqueous solution containing a water-soluble radical polymerization initiator and a water-soluble ethylenically unsaturated monomer which can be converted into an absorbent polymer by polymerization, and (2) a polymerization region for polymerizing the monomer under a condition that the substrate is, on both the sides, held in contact with polymerization-inert surfaces facing each other.
Claim 6
Dependent Claim
35 words
A continuous manufacturing method of absorbent composite according to claim 3, wherein the substrate is passed through a drying region for heating the substrate, after said polymerization region, while keeping the substrate in a gas.
Claim 7
Dependent Claim
90 words
A continuous manufacturing method of absorbent composite for passing a substrate applied with an aqueous solution containing a water-soluble radical polymerization initiator and a water-soluble ethylenically unsaturated monomer which can be converted into absorbent polymer by polymerization, continuously in the sequence of: (1) a polymerization region for polymerizing the monomer in a state that the substrate is, on both the sides, held in contact with polymerization-inert surfaces facing each other, and (2) a drying region for heating the substrate while keeping in a gas, thereby continuously manufacturing an absorbent composite.
Claim 8
Dependent Claim
90 words
A continuous manufacturing method of absorbent composite for passing a substrate applied with an aqueous solution containing a water-soluble radical polymerization initiator and a water-soluble ethylenically unsaturated monomer which can be converted into absorbent polymer by polymerization, continuously in the sequence of: (1) a polymerization region for polymerizing the monomer in a state that the substrate is, on both the sides, held in contact with polymerization-inert surfaces facing each other, and (2) a drying region for heating the substrate while keeping in a gas, thereby continuously manufacturing an absorbent composite.
Claim 9
Dependent Claim
42 words
A continuous manufacturing method according to claim 4 or 5, wherein the drying region is for heating by hot gas, microwaves, infrared rays or ultraviolet rays, while holding the substrate in a gas by means of rotatable support roll and/or support belt.
Claim 10
Dependent Claim
27 words
A manufacturing method according to any one of claims 1 to 6, wherein said water-soluble ethylenically unsaturated monomer is mainly composed of (meth)acrylic acid or its salt.
Claim 11
Dependent Claim
21 words
A manufacturing method according to any one of claims 1 to 7, wherein said polymerization is effected by heating said substrate.
Claim 12
Dependent Claim
20 words
A manufacturing method according to claim 8, wherein said heating is conducted in a temperature range of 50 to 150°C.
Claim 13
Dependent Claim
14 words
A manufacturing method according to claim 8, wherein said heating is effected by microwaves.
Claim 14
Dependent Claim
19 words
A manufacturing method according to any one of claims 1 to 10, wherein said substrate is a fibrous substrate.
Claim 15
Dependent Claim
22 words
A manufacturing method according to any one of claims 1 to 11, wherein said aqueous solution contains a water-soluble cross linking agent.
Claim 16
Dependent Claim
21 words
A manufacturing method according to any one of claims 1 to 12, wherein said polymerization-inert surfaces are fluorocarbonresin-treated or mirror-finished surfaces.
Claim 17
Dependent Claim
16 words
An absorbent composite obtained by any one of the manufacturing methods of claims 1 to 13.
Claim 18
Dependent Claim
156 words
A manufacturing apparatus for absorbent composite comprising the following means (1) and (2) arranged along the moving route of a substrate in which while continuously moving the substrate, an aqueous solution containing a water-soluble radical polymerization initiator and a water-soluble ethylenically unsaturated monomer which can be converted into absorbent polymer by polymerization is applied to the substrate, and the monomer is polymerized under a condition that the substrate is, on both the sides, held in contact with polymerization-inert surfaces facing each other, thereby fixing an absorbent polymer to the substrate. (1) Means for applying said aqueous solution to the moving substrate. (2) Means for polymerization comprising facing polymerization-inert surfaces and means for setting a clearance between the polymerization-inert surfaces to a space corresponding to the thickness of the substrate, being designed to polymerize the monomer while the substrate applied with said aqueous solution is passing through said clearance, thereby fixing an absorbent polymer to the substrate.
Claim 19
Dependent Claim
156 words
A manufacturing apparatus for absorbent composite comprising the following means (1) and (2) arranged along the moving route of a substrate in which while continuously moving the substrate, an aqueous solution containing a water-soluble radical polymerization initiator and a water-soluble ethylenically unsaturated monomer which can be converted into absorbent polymer by polymerization is applied to the substrate, and the monomer is polymerized under a condition that the substrate is, on both the sides, held in contact with polymerization-inert surfaces facing each other, thereby fixing an absorbent polymer to the substrate. (1) Means for applying said aqueous solution to the moving substrate. (2) Means for polymerization comprising facing polymerization-inert surfaces and means for setting a clearance between the polymerization-inert surfaces to a space corresponding to the thickness of the substrate, being designed to polymerize the monomer while the substrate applied with said aqueous solution is passing through said clearance, thereby fixing an absorbent polymer to the substrate.
Claim 20
Dependent Claim
18 words
A manufacturing apparatus according to claim 15, wherein said polymerization means comprises also means for heating the substrate.
Claim 21
Dependent Claim
24 words
A manufacturing apparatus according to claim 15 or 16, wherein said polymerization means is followed by means for taking up the obtained absorbent composite.
Claim 22
Dependent Claim
34 words
A manufacturing apparatus according to claim 15 or 16, wherein said polymerization means is followed by drying means by heating in a gas while moving the substrate to which the absorbent polymer is fixed.
Claim 23
Dependent Claim
32 words
A manufacturing apparatus according to claim 18, wherein the drying means comprises at least one of hot gas blowing source, microwave applying means, infrared ray irradiating means and ultraviolet ray irradiating means.
Claim 24
Dependent Claim
27 words
A manufacturing apparatus according to claim 19, wherein the drying means further comprises rotatable support roll and/or support belt for holding the moving substrate in a gas.
Claim 25
Dependent Claim
27 words
A manufacturing apparatus according to any one of claims 18 to 20, wherein the drying means is followed by means for taking up the dried absorbent composite.
Claim 26
Dependent Claim
16 words
An absorbent composite manufactured in any one of the manufacturing apparatuses of claims 15 to 21.