CN107136643B - Health-care insole for diabetic - Google Patents
Health-care insole for diabetic Download PDFInfo
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- CN107136643B CN107136643B CN201710567561.3A CN201710567561A CN107136643B CN 107136643 B CN107136643 B CN 107136643B CN 201710567561 A CN201710567561 A CN 201710567561A CN 107136643 B CN107136643 B CN 107136643B
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- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B17/00—Insoles for insertion, e.g. footbeds or inlays, for attachment to the shoe after the upper has been joined
- A43B17/003—Insoles for insertion, e.g. footbeds or inlays, for attachment to the shoe after the upper has been joined characterised by the material
- A43B17/006—Insoles for insertion, e.g. footbeds or inlays, for attachment to the shoe after the upper has been joined characterised by the material multilayered
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- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B17/00—Insoles for insertion, e.g. footbeds or inlays, for attachment to the shoe after the upper has been joined
- A43B17/02—Insoles for insertion, e.g. footbeds or inlays, for attachment to the shoe after the upper has been joined wedge-like or resilient
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- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B17/00—Insoles for insertion, e.g. footbeds or inlays, for attachment to the shoe after the upper has been joined
- A43B17/10—Insoles for insertion, e.g. footbeds or inlays, for attachment to the shoe after the upper has been joined specially adapted for sweaty feet; waterproof
- A43B17/102—Moisture absorbing socks; Moisture dissipating socks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/18—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by features of a layer of foamed material
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/30—Low-molecular-weight compounds
- C08G18/32—Polyhydroxy compounds; Polyamines; Hydroxyamines
- C08G18/3203—Polyhydroxy compounds
- C08G18/3206—Polyhydroxy compounds aliphatic
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/30—Low-molecular-weight compounds
- C08G18/32—Polyhydroxy compounds; Polyamines; Hydroxyamines
- C08G18/3225—Polyamines
- C08G18/3228—Polyamines acyclic
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
- C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
- C08G18/6666—Compounds of group C08G18/48 or C08G18/52
- C08G18/667—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38
- C08G18/6681—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/32 or C08G18/3271 and/or polyamines of C08G18/38
- C08G18/6685—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/32 or C08G18/3271 and/or polyamines of C08G18/38 with compounds of group C08G18/3225 or polyamines of C08G18/38
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/12—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
- C08J9/14—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent organic
- C08J9/141—Hydrocarbons
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/48—Wearing apparel
- B29L2031/50—Footwear, e.g. shoes or parts thereof
- B29L2031/507—Insoles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2437/00—Clothing
- B32B2437/02—Gloves, shoes
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G2101/00—Manufacture of cellular products
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G2280/00—Compositions for creating shape memory
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/14—Saturated hydrocarbons, e.g. butane; Unspecified hydrocarbons
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
Abstract
The invention discloses a health-care insole for a diabetic patient, and relates to the technical field of insoles. The insole comprises an insole body, wherein the insole body sequentially comprises a bamboo charcoal fiber layer and a memory foam layer from top to bottom, a polyurethane foam layer is attached to the lower side of the middle end part of the memory foam layer, a hollow elastic pad net is arranged at the position, corresponding to the front sole of a human body, of the lower side of the front end part of the memory foam layer, a hollow elastic pad is arranged at the position, corresponding to the heel part of the human body, of the lower side of the rear end part of the memory foam layer, and an elastic rib part is arranged at the position, corresponding to the inner side of the arch part of the human body, of the lower side of the polyurethane foam layer. The invention can make the diabetic comfortable, can meet the deformation of the protruded part of the foot, can automatically recover after deformation, and has strong shock absorption and foot protection functions and good air permeability.
Description
Technical Field
The invention relates to an insole, in particular to a health-care insole for a diabetic patient.
Background
Diabetic foot is one of the most major complications leading to amputation of diabetic patients. From mild foot numbness to severe ulceration, infection, the "lethality" of diabetic feet varies considerably. The most likely diabetic foot characteristics of diabetics include: 1. a tendency to neuropathy, such as numbness, tingling, pain, etc. of the lower limbs; 2. poor blood vessel state of the lower limbs, resting pain and obvious reduction or disappearance of foot dorsum artery pulsation; 3. the skin of the foot becomes poor, the foot becomes purple and dark red, the temperature of the skin of the foot is obviously lower than that of other parts, the foot is edematous, the toenails are discolored, the skin is abnormally dry, and the interphalangeal erosion and the like are caused. It follows that it is particularly important for the care of the foot health of diabetic patients.
At present, the foot health care of the diabetic is mainly realized by massaging the foot at ordinary times, but the diabetic is difficult to carry out the health care under the condition of wearing shoes. The foot health care of the diabetic when wearing shoes needs to be realized through the insole, the structure of the traditional insole is sewn by a plurality of layers of cloth or pressed by a plurality of layers of leather, the traditional insole has certain softness and cushioning effect, basically meets the requirements of ordinary people for walking and wearing shoes in sports, but has the following defects for the diabetic: firstly, the hardness difference between the upper layer of the traditional insole and the skin of the sole is large, so that a diabetic can feel uncomfortable on the foot; secondly, the main material of the traditional insole is not easy to deform or difficult to recover after deformation, and the problems of foot numbness, pain, poor blood flow, blackening, purplish and edema and the like of the diabetic are easily aggravated; thirdly, the traditional insole has poor shock absorption and foot protection effects, the half sole and the bottom of the heel of the foot of a diabetic are more easily impacted, and the problems of foot skeletons, ankles and knee joints are easily aggravated; fifthly, the traditional insole has poor air permeability, is easy to breed bacteria and fungi, and is easy to aggravate the problems of foot edema and toe erosion.
Disclosure of Invention
The invention aims to solve the technical problem of the prior art, and provides a health-care insole for a diabetic, which is comfortable to wear, can deform in response to the protruding part of the foot, can automatically recover after deformation, and has strong shock absorption and foot protection effects and good air permeability.
In order to solve the technical problems, the technical scheme of the invention is as follows: a health-care insole for a diabetic patient comprises an insole body, wherein the insole body sequentially comprises a bamboo charcoal fiber layer and a memory foam layer from top to bottom, a polyurethane foam layer is attached to the lower side of the middle end part of the memory foam layer, a hollow elastic pad net is arranged at the position, corresponding to the front sole of the human body, of the lower side of the front end part of the memory foam layer, a hollow elastic pad is arranged at the position, corresponding to the heel part of the human body, of the lower side of the rear end part of the memory foam layer, and an elastic rib part is arranged at the position, corresponding to the inner side of the arch part of the human body, of the lower side of the polyurethane foam layer.
As a further elaboration of the invention:
preferably, the shape of the elastic gasket is tongue-shaped, and the elastic gasket is formed by sequentially arranging 5-8 curved elastic strips, and the elastic rib parts are half-moon-shaped and formed by sequentially arranging 8-12 elastic ribs.
Preferably, the thickness of the bamboo charcoal fiber layer is 0.5-1.0 mm, the thickness of the memory foam layer is 2.5-7.5 mm, the thickness of the polyurethane foam layer is 2.0-8.0 mm, the thickness of the elastic pad net is 3.5-5.5 mm, the thickness of the elastic pad is 3.5-6.5 mm, and the thickness of the elastic rib part is 3.5-6.5 mm.
Preferably, the insole comprises a front sole of the insole, a middle waist of the insole and a heel of the insole in sequence from the front end to the rear end of the insole body, wherein the middle waist of the insole and the heel of the insole are both provided with outer edges which are tilted upwards.
The memory foam layer is prepared by the following raw materials through reaction foaming: 100 parts of polyether polyol, 5-15 parts of diphenylmethane diisocyanate, 1-3 parts of lily powder, 5-10 parts of isophorone diisocyanate, 2-3 parts of water, 0.5-3 parts of silicone oil, 0.2-1 part of a catalyst, 0.5-1 part of a foaming agent and 2-5 parts of a crosslinking agent.
The preparation method of the memory foam layer comprises the following steps: adding the polyether polyol, the diphenylmethane diisocyanate, the lily powder and the isophorone diisocyanate in corresponding parts by weight into a mixer, uniformly stirring, heating to 35-38 ℃, adding the other raw materials in corresponding parts into the mixer, stirring at a high speed for 6-8 seconds, pouring into a mold, foaming and curing to obtain the corresponding memory foam layer.
The polyether polyol has a hydroxyl value of 50-90 mgKOH/g and a molecular weight of 8000-10000, and the silicone oil is BF-2370 and B-4900 in a mass ratio of 3: 1.
The catalyst is prepared from N, N-dimethylaminoethyl-N-methylaminoethanol and zirconium acetylacetonate in a mass ratio of 0.5: 1.
The foaming agent is n-heptane; the cross-linking agent is three mixtures of ethylenediamine, triethylene glycol and dipropylene glycol.
The polyurethane cotton layer is formed by foaming agilawood bark fiber powder, polyether polyol, diisocyanate and auxiliary raw materials.
The polyurethane sponge layer comprises the following raw materials: 100 parts of polyether polyol, 1-2 parts of agilawood bark fiber powder, 10-15 parts of isophorone diisocyanate, 2-3 parts of water, 0.5-3 parts of silicone oil, 0.2-1 part of a catalyst, 0.5-1 part of a foaming agent and 0.5-1 part of a silane coupling agent.
The preparation method of the polyurethane cotton layer comprises the following steps: adding the polyether polyol, the agilawood bark fiber powder, the silane coupling agent and the isophorone diisocyanate in corresponding parts by weight into a mixer, uniformly stirring, heating to 35-38 ℃, adding the other raw materials in corresponding parts into the mixer, stirring at a high speed for 6-8 seconds, pouring into a mold, foaming and curing to obtain a corresponding polyurethane cotton layer.
The polyether polyol has a hydroxyl value of 50-90 mgKOH/g and a molecular weight of 8000-10000, and the silicone oil is BF-2370 and B-4900 in a mass ratio of 2-6: 1.
The catalyst is prepared by mixing N, N-dimethylaminoethyl-N-methylaminoethanol and zirconium acetylacetonate in a mass ratio of 0.1-1: 1.
The foaming agent is n-heptane.
The invention has the beneficial effects that: firstly, the hardness difference between the bamboo charcoal fiber layer on the upper layer of the insole body and the skin on the sole of the foot is small, so that a diabetic can feel comfortable on the foot; secondly, the memory foam layer is arranged below the bamboo charcoal fiber layer, so that the deformation of the protruded part of the foot can be met, and the foot can be automatically recovered after the deformation, so that the foot health care of a diabetic patient is realized; thirdly, because the polyurethane foam layer is adhered to the lower side of the middle end part of the memory foam layer, the middle part of the insole body can be arched and is adhered to the arch part of the foot of a diabetic patient, so that the function of pressing the acupuncture points of the arch of the foot is achieved, and the blood circulation is promoted; because the lower side of the front end part of the memory foam layer is provided with a hollow elastic cushion net corresponding to the position of the front sole of the human body, the lower side of the rear end part of the memory foam layer is provided with a hollow elastic gasket corresponding to the position of the heel part of the human body, and the lower side of the polyurethane foam layer is provided with an elastic rib part corresponding to the inner side of the arch part of the human body, the insole has good elasticity, can effectively absorb the foot skeleton impact force of a diabetic patient, protects the foot skeleton, ankle joint and knee joint, and has excellent shock absorption and foot protection effects; and fifthly, the bamboo charcoal fiber layer has the characteristics of moisture absorption, ventilation, bacteriostasis, antibiosis and environmental protection, and the hollow elastic cushion net, the hollow elastic gasket and the elastic rib parts respectively have excellent ventilation effects. The preparation method of the memory foam layer and the polyurethane foam layer improves the comfort and the durability of the insole.
Drawings
FIG. 1 is a schematic view of a dispersion structure according to the present invention.
FIG. 2 is a second schematic view of the dispersion structure of the present invention.
Fig. 3 is a schematic view of the overall structure of the upper side of the present invention.
Fig. 4 is a schematic view of the overall structure of the lower side of the present invention.
In the figure: 100. an insole body; 1. a bamboo charcoal fiber layer; 2. a memory foam layer; 21. an elastic pad net; 22. an elastic pad; 3. a polyurethane foam layer; 31. an elastic rib section; 4. the half sole of the insole; 5. insole middle waist; 6. insole middle waist; 6. the heel of the insole; 51. 61. outer edge.
Detailed Description
The structural and operational principles of the present invention are explained in further detail below with reference to the accompanying drawings.
As shown in fig. 1 to 4, the health care insole for diabetic patients comprises an insole body 100, wherein the insole body 100 sequentially comprises a bamboo charcoal fiber layer 1 and a memory foam layer 2 from top to bottom, a polyurethane foam layer 3 is adhered to the lower side of the middle end of the memory foam layer 2, a hollow elastic pad net 21 is arranged at the lower side of the front end of the memory foam layer 2 corresponding to the front sole of the human body, a hollow elastic pad 22 is arranged at the lower side of the rear end of the memory foam layer 2 corresponding to the heel of the human body, and an elastic rib part 31 is arranged at the lower side of the polyurethane foam layer 3 corresponding to the inner side of the arch of the human body. The bamboo charcoal fiber layer has the characteristics of moisture absorption, ventilation, bacteriostasis, antibiosis, warmness in winter and coolness in summer, and environmental protection; the polyurethane cotton layer has the functions of environmental protection, easy degradation, ventilation, deodorization and perspiration, and in addition, the black granular activated carbon is mixed in the polyurethane cotton layer, so that the ventilation effect is stronger. The memory foam layer can be deformed in accordance with the protruding part of the foot, and can be automatically recovered after being deformed, so that the foot health care of the diabetic patient is realized, and the memory foam layer is preferably a polyether polyurethane foam layer.
As shown in fig. 2 and 4, the elastic pad 22 is formed in a tongue shape by sequentially arranging 5 to 8 curved elastic strips, and the elastic rib portion 31 is formed in a half-moon shape by sequentially arranging 8 to 12 elastic ribs.
As shown in fig. 1 to 4, the thickness of the bamboo charcoal fiber layer 1 is 0.5 to 1.0 mm, preferably 0.7 to 0.8mm, the thickness of the memory foam layer 2 is 2.5 to 7.5mm, preferably 4.0 to 5.0mm, the thickness of the polyurethane foam layer 3 is 2.0 to 8.0mm, preferably 3.5 to 4.5mm, the thickness of the elastic pad net 21 is 3.5 to 5.5mm, preferably 4.0 to 4.8mm, the thickness of the elastic pad 22 is 3.5 to 6.5mm, preferably 4.2 to 5.3mm, and the thickness of the elastic rib 31 is 3.5 to 6.5mm, preferably 4.2 to 5.0 mm.
As shown in fig. 1 to 4, the insole body 100 includes, in order from the front end to the rear end, an insole half sole 4, an insole middle waist 5, and an insole heel 6, wherein the insole middle waist 5 and the insole heel 6 are provided with outer edges 51, 61 that are raised upward. Because the outer edges 51 and 61 which are tilted upwards are arranged, the feet can be effectively guided to be correctly reset when falling to the ground each time, and the stress of the soles is ensured to be transferred to the leg bones along the correct direction when walking and moving.
Example 1:
weighing the raw materials of the memory foam layer: 100kg of polyether polyol, 5-15 kg of diphenylmethane diisocyanate, 1-3 kg of lily pollen, 5-10 kg of isophorone diisocyanate, 2-3 kg of water, 0.5-3 kg of silicone oil, 0.2-1 kg of catalyst, 0.5-1 kg of foaming agent and 2-5 kg of crosslinking agent.
Preparing a memory foam layer: adding the polyether polyol, the diphenylmethane diisocyanate, the lily powder and the isophorone diisocyanate in corresponding parts by weight into a mixer, uniformly stirring, heating to 35-38 ℃, adding the other raw materials in corresponding parts into the mixer, stirring at a high speed for 6-8 seconds, pouring into a mold, foaming and curing to obtain the corresponding memory foam layer.
Other structural components of the insole are made from existing materials by conventional methods.
Example 2
Weighing the following raw materials of a polyurethane cotton layer: 100kg of polyether polyol, 1-2 kg of agilawood bark fiber powder, 10-15 kg of isophorone diisocyanate, 2-3 kg of water, 0.5-3 kg of silicone oil, 0.2-1 kg of catalyst, 0.5-1 kg of foaming agent and 0.5-1 kg of silane coupling agent.
The preparation method of the polyurethane cotton layer comprises the following steps: adding the polyether polyol, the agilawood bark fiber powder, the silane coupling agent and the isophorone diisocyanate in corresponding parts by weight into a mixer, uniformly stirring, heating to 35-38 ℃, adding the other raw materials in corresponding parts into the mixer, stirring at a high speed for 6-8 seconds, pouring into a mold, foaming and curing to obtain a corresponding polyurethane cotton layer.
Other structural components of the insole are made from existing materials by conventional methods.
Example 3
Memory foam layer as in example 1, the other structural components of the insole are conventional materials obtained by conventional methods.
Example 4
The memory foam layer was as in example 1, the polyurethane foam layer was as in example 2, and other structural components of the insole were conventional materials.
Comparing the insoles prepared in examples 1 to 4 with insoles in which all the components were made of the existing materials by a common method, it was found that the comfort and physical therapy performance of examples 1, 2, 3 and 4 were significantly superior to those of the existing materials by the common method, especially the insole of example 4, the comfort was the highest, and the durability and elasticity of examples 2 and 4 were significantly superior.
The above description is only a preferred embodiment of the present invention, and any minor modifications, equivalent variations and modifications to the above embodiment according to the technical solution of the present invention are within the scope of the technical solution of the present invention.
Claims (8)
1. A health-care insole for diabetics comprises an insole body and is characterized in that: the insole body sequentially comprises a bamboo charcoal fiber layer and a memory foam layer from top to bottom, a polyurethane foam layer is attached to the lower side of the middle end part of the memory foam layer, a hollow elastic pad net is arranged at the position, corresponding to the front sole of a human body, of the lower side of the front end part of the memory foam layer, a hollow elastic pad is arranged at the position, corresponding to the heel part of the human body, of the lower side of the rear end part of the memory foam layer, and an elastic rib part is arranged at the position, corresponding to the inner side of the arch part of the human body, of the lower side of the polyurethane foam layer; the elastic gasket is tongue-shaped and is formed by sequentially arranging 5-8 curved elastic strips, and the elastic rib parts are half-moon-shaped and are formed by sequentially arranging 8-12 elastic ribs; the thickness of the bamboo charcoal fiber layer is 0.7-0.8 mm, the thickness of the memory foam layer is 4.0-5.0 mm, the thickness of the polyurethane foam layer is 3.5-6.5 mm, the thickness of the elastic pad net is 4.0-4.8 mm, the thickness of the elastic gasket is 4.2-5.3 mm, and the thickness of the elastic rib part is 4.2-5.0 mm.
2. The diabetic health insole of claim 1, wherein: from the front end to the rear end of shoe-pad body, include shoe-pad half sole, shoe-pad waist and shoe-pad heel in proper order, wherein, shoe-pad waist and shoe-pad heel all are provided with the outer fringe of upwards perk.
3. The diabetic health insole of claim 1, wherein: the memory foam layer is prepared by reacting and foaming the following raw materials: 100 parts of polyether polyol, 5-15 parts of diphenylmethane diisocyanate, 1-3 parts of lily powder, 5-10 parts of isophorone diisocyanate, 2-3 parts of water, 0.5-3 parts of silicone oil, 0.2-1 part of a catalyst, 0.5-1 part of a foaming agent and 2-5 parts of a crosslinking agent.
4. The diabetic health insole of claim 3, wherein: the preparation method of the memory foam layer comprises the following steps: adding the polyether polyol, the diphenylmethane diisocyanate, the lily powder and the isophorone diisocyanate in corresponding parts by weight into a mixer, uniformly stirring, heating to 35-38 ℃, adding the other raw materials in corresponding parts into the mixer, stirring at a high speed for 6-8 seconds, pouring into a mold, foaming and curing to obtain the corresponding memory foam layer.
5. The diabetic health insole of claim 3, wherein: the polyether polyol has a hydroxyl value of 50-90 mgKOH/g and a molecular weight of 8000-10000, and the silicone oil is BF-2370 and B-4900 in a mass ratio of 3: 1; the catalyst is prepared from N, N-dimethylaminoethyl-N-methylaminoethanol and zirconium acetylacetonate in a mass ratio of 0.5: 1; the foaming agent is n-heptane; the cross-linking agent is three mixtures of ethylenediamine, triethylene glycol and dipropylene glycol.
6. The diabetic health insole of claim 1, wherein: the polyurethane cotton layer is formed by foaming agilawood bark fiber powder, polyether polyol, diisocyanate and auxiliary raw materials; the polyurethane sponge layer comprises the following raw materials: 100 parts of polyether polyol, 1-2 parts of agilawood bark fiber powder, 10-15 parts of isophorone diisocyanate, 2-3 parts of water, 0.5-3 parts of silicone oil, 0.2-1 part of a catalyst, 0.5-1 part of a foaming agent and 0.5-1 part of a silane coupling agent.
7. The diabetic health insole of claim 6, wherein: the preparation method of the polyurethane sponge layer comprises the following steps: adding the polyether polyol, the agilawood bark fiber powder, the silane coupling agent and the isophorone diisocyanate in corresponding parts by weight into a mixer, uniformly stirring, heating to 35-38 ℃, adding the other raw materials in corresponding parts into the mixer, stirring at a high speed for 6-8 seconds, pouring into a mold, foaming and curing to obtain a corresponding polyurethane cotton layer.
8. The diabetic health insole of claim 6, wherein: the polyether polyol has a hydroxyl value of 50-90 mgKOH/g and a molecular weight of 8000-10000, and the silicone oil is BF-2370 and B-4900 in a mass ratio of 2-6: 1; the catalyst is prepared by mixing N, N-dimethylaminoethyl-N-methylaminoethanol and zirconium acetylacetonate in a mass ratio of 0.1-1: 1; the foaming agent is n-heptane.
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| CN201710567561.3A CN107136643B (en) | 2017-07-12 | 2017-07-12 | Health-care insole for diabetic |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710567561.3A CN107136643B (en) | 2017-07-12 | 2017-07-12 | Health-care insole for diabetic |
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| CN107136643A CN107136643A (en) | 2017-09-08 |
| CN107136643B true CN107136643B (en) | 2022-08-12 |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108720170A (en) * | 2018-04-28 | 2018-11-02 | 东莞市顺风运动器材有限公司 | A kind of cool insole |
| CN108741410A (en) * | 2018-05-04 | 2018-11-06 | 东莞市顺风运动器材有限公司 | A kind of two-in-one insole of socks insole |
| CN108685267A (en) * | 2018-05-19 | 2018-10-23 | 东莞市顺风运动器材有限公司 | A kind of badminton insole |
| CN108685269B (en) * | 2018-05-25 | 2021-01-19 | 东莞市顺风运动器材有限公司 | Professional shoe pad for riding bicycle |
| CN111150174A (en) * | 2018-11-08 | 2020-05-15 | 冠颉股份有限公司 | Shoe pad and its regulating and making method |
| CN110051079B (en) * | 2019-04-19 | 2021-07-30 | 东莞市玖辉实业有限公司 | Non-glue bamboo charcoal insole |
| CN109998222B (en) * | 2019-04-25 | 2020-10-23 | 东莞市东城赤洪节能设备厂 | Breathable insole |
| CN114246393A (en) * | 2020-09-21 | 2022-03-29 | 黄英俊 | Hollow object forming curved surface |
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| CN204409772U (en) * | 2015-02-04 | 2015-06-24 | 泉州足康鞋业有限公司 | A kind of shoe-pad used for diabetic |
| CN204763676U (en) * | 2015-07-03 | 2015-11-18 | 特步(中国)有限公司 | Shoe -pad with memory function |
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