CN103300544B - A kind of main heel toe cap and preparation method thereof - Google Patents
A kind of main heel toe cap and preparation method thereof Download PDFInfo
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- CN103300544B CN103300544B CN201310228417.9A CN201310228417A CN103300544B CN 103300544 B CN103300544 B CN 103300544B CN 201310228417 A CN201310228417 A CN 201310228417A CN 103300544 B CN103300544 B CN 103300544B
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- fiber
- toe cap
- heel toe
- main heel
- combination mat
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Abstract
The invention discloses a kind of main heel toe cap and preparation method thereof.It is cotton that the method comprises the steps: natural fiber, polyster fibre and low-melting fiber to be carried out be mixed to get mixing; Described mixing cotton is carried out lapping, lamination and acupuncture becomes felt to obtain combination mat; Namely described combination mat obtains preformed main heel toe cap through hot-forming and deburring.The present invention has following beneficial effect: the sucting wet air permeability 1) with the main heel toe cap of leather, is therefore conducive to the wholesomeness improving footwear; 2) raw material abundance, feasible process, can meet the demand of mass industrialized production; 3) the main heel toe cap through pre-setting can be shaped by secondary, therefore, it is possible to embody footwear boot last type design effect well, makes the main heel toe cap of pre-setting can meet the requirement of multiple shoe last or hat block type design.
Description
Technical field
The present invention relates to a kind of main heel toe cap and preparation method thereof.
Background technology
Main heel toe cap embodies the important component part of last for leather shoe type design during leather shoes are produced.Current existing main heel toe cap material comprises leather, paper pulp, chemical fibre plate etc., and for protection footwear, its packet header adopts has anti-steel toes or engineering plastics packet header of pounding function.Leather is the main heel toe cap material adopted the earliest, and it has good hygroscopicity and gas permeability, contributes to keeping pin dry and comfortable, but along with the raising of people's living standard, its supply far can not meet needed for production.Under this background, chemical sheet and hot melt sheet are developed and become current topmost main heel toe cap material.They take synthetic fibers as framework material, with benzosol or PUR for binding material.In shoemaking processing, be partly dissolved when the resin in chemical sheet floods in benzene, toluene and xylene solvent and soften, completing type-approval process when drying; PUR in hot melt sheet is softening when melted by heating, then cooling and shaping.The development and application of this two classes material compensate for the deficiency of natural leather supply, but in performance, deposit defect both ways, namely non-hygroscopic, airtight, therefore making wearer easily produce the sensation of vexed pin when wearing these footwear, impairing the wholesomeness of footwear.Pulp board is the main another kind of material of following of preparation at present, and it adopts wood-fibred as primary raw material, and for chemical sheet and hot melt sheet, hygroscopicity is improved, but still does not have good gas permeability.In addition, the durability aspect of its conformal ability is also not as leather, chemical sheet and hot melt sheet, and therefore its application is also very limited.How to prepare the significant challenge that the main heel toe cap material with good sucting wet air permeability becomes the wholesomeness improving footwear.
Summary of the invention
The object of this invention is to provide a kind of main heel toe cap and preparation method thereof, main heel toe cap provided by the invention has good hygroscopicity and gas permeability.
The preparation method of a kind of main heel toe cap provided by the present invention, comprises the steps:
Natural fiber, polyster fibre and low-melting fiber are carried out be mixed to get mixing cotton; Described mixing cotton is carried out lapping, lamination and acupuncture becomes felt to obtain combination mat; Namely described combination mat obtains preformed main heel toe cap through hot-forming and deburring.
In above-mentioned preparation method, the mass ratio of described natural fiber, described polyster fibre and described low-melting fiber can be 30 ~ 50:20 ~ 40:20 ~ 40, specifically can be 30 ~ 40:30:30 ~ 40,30:30:40,40:30:30.
In above-mentioned preparation method, described natural fiber can be at least one in flaxen fiber, bamboo fibre and cotton fiber;
Described flaxen fiber can be china-hemp fibers, flax fiber, ramee, tossa or sisal fiber.
In above-mentioned preparation method, described low-melting fiber can be low melt point polyester fiber fiber, polyethylene fibre or polypropylene fiber;
The fusing point of described low-melting fiber is not more than 200 DEG C, as 120 DEG C.
In above-mentioned preparation method, the surface density of described combination mat can be 250 ~ 650g/m
2, specifically can be 250 ~ 300g/m
2or 600g/m
2.
In above-mentioned preparation method, described hot-forming temperature can be 160 ~ 210 DEG C, specifically can be 210 DEG C.
In above-mentioned preparation method, described method also comprises the step of secondary sizing: described preformed main heel toe cap softened, then the main heel toe cap after softening is placed in the corresponding site of upper of a shoe, in the type-approval process of described upper of a shoe, completes the secondary sizing of described main heel toe cap.
In above-mentioned preparation method, described softening temperature can be 160 DEG C.
Present invention also offers the main heel toe cap prepared by said method, main heel toe cap of the present invention is porous material, there is good gas permeability, its pre-setting and secondary sizing complete without the need to the mode by applying glue, therefore still can keep good gas permeability after shaping, and shaping after main heel toe cap there is good intensity and toughness; Meanwhile, make it have hygroscopicity in this material because of adding of natural fiber, its good gas permeability can play its moisture-absorption characteristics.
The present invention has following beneficial effect:
1) there is the sucting wet air permeability of the main heel toe cap of leather, be therefore conducive to the wholesomeness improving footwear;
2) raw material abundance, feasible process, can meet the demand of mass industrialized production;
3) the main heel toe cap through pre-setting can be shaped by secondary, therefore, it is possible to embody footwear boot last type design effect well, makes the main heel toe cap of pre-setting can meet the requirement of multiple shoe last or hat block type design.
Accompanying drawing explanation
Fig. 1 is the transmission electron microscope photo of the combination mat of preparation in embodiment 1.
Fig. 2 is that the combination mat 2000 times of preparation in embodiment 2 amplifies electromicroscopic photograph.
Detailed description of the invention
The experimental technique used in following embodiment if no special instructions, is conventional method.
Material used in following embodiment, reagent etc., if no special instructions, all can obtain from commercial channels.
Embodiment 1, manufacture have the main heel toe cap of homogeneous component
1) by china-hemp fibers, terylene and low melt point polyester fiber (fusing point is 120 DEG C) shredding, and mix according to the mass ratio of 40/30/30, obtain mixing cotton;
2) to obtain surface density through lapping, lamination, acupuncture be 600g/m by cotton for mixing
2combination mat;
3) cut by combination mat, hot pressing at 150 DEG C of temperature, obtaining thickness is the main heel toe cap of preformed that 0.3mm is thick;
4) according to shoemaking require sheet hem width degree and thickness carry out sheet limit, then the baking oven that temperature is 130 DEG C is placed in, substantially take out after softening to it, carry out upper of a shoe forming operation and follow-up shoe-making process flow process, namely obtain through the homogeneous main heel toe cap of the component of post forming.
In the present embodiment, the hardness for the preparation of the combination mat of main heel toe cap is tested according to GB/T2411-2008, reaches Shao Er A82; Its hot strength is tested according to GB/T1040.2-2006, reaches 10.4MPa; Air penetrability is tested according to (100pa) GB/T5453-1997, reaches 150mm/s, can illustrate that main heel toe cap prepared by the present embodiment has good intensity and toughness, and have gas permeability.
In the present embodiment, for the preparation of the combination mat of main heel toe cap transmission electron microscope photo as shown in Figure 1, can be learnt by Fig. 1, main heel toe cap prepared by the present invention is porous material, and then has good gas permeability.
Embodiment 2, there is the main heel toe cap manufacture of non-homogeneous components
1) by china-hemp fibers, terylene and low melt point polyester fiber (fusing point is 120 DEG C) shredding, the ratio mixing of 30/30/40, obtains mixing cotton in mass ratio;
2) to obtain surface density through lapping, lamination, acupuncture be 250 ~ 300g/m by cotton for mixing
2combination mat;
3) adjust proportion of fibers, repeat step 1) and step 2), manufacture the combination mat that three kinds of fiber quality marks are 40/30/30 and 50/25/25 respectively;
4) 3 of above-mentioned preparation kinds of combination mats are carried out lamination according to natural fiber content order from less to more, obtain the combination mat with non-homogeneous components;
5) cut by the combination mat after lamination, hot pressing at 120 DEG C of temperature, obtaining thickness is the main heel toe cap of preformed that 2.5mm is thick;
6) according to shoemaking require sheet hem width degree and thickness carry out sheet limit, then the baking oven that temperature is 150 DEG C is placed in, substantially take out after softening to it, carry out upper of a shoe forming operation and follow-up shoe-making process flow process, namely obtain through the homogeneous main heel toe cap of the component of post forming.
In the present embodiment, the hardness for the preparation of the combination mat of main heel toe cap is tested according to GB/T2411-2008, reaches Shao Er A80; Its hot strength is tested according to GB/T1040.2-2006, reaches 10.5MPa; Air penetrability is tested according to (100pa) GB/T5453-1997, reaches 155mm/s, can illustrate that main heel toe cap prepared by the present embodiment has good intensity and toughness, and have gas permeability.
Adopt the method for the present embodiment can obtain forming non-homogeneous main heel toe cap, different Density Distribution is made it have due to the difference of meldable fibre content, therefore have the structure being similar to corium, combination mat 2000 times prepared by this embodiment amplifies electromicroscopic photograph as shown in Figure 2.
Claims (2)
1. a preparation method for main heel toe cap, comprises the steps:
Natural fiber, polyster fibre and low-melting fiber are carried out be mixed to get mixing cotton; Described mixing cotton is carried out lapping, lamination and acupuncture becomes felt to obtain combination mat; Namely described combination mat obtains preformed main heel toe cap through hot-forming and deburring;
The mass ratio of described natural fiber, described polyster fibre and described low-melting fiber is 30 ~ 50:20 ~ 40:20 ~ 40;
Described natural fiber is at least one in flaxen fiber, bamboo fibre and cotton fiber;
Described flaxen fiber is china-hemp fibers, flax fiber, ramee, tossa or sisal fiber;
Described low-melting fiber is low melt point polyester fiber fiber, polyethylene fibre or polypropylene fiber;
The fusing point of described low-melting fiber is not more than 200 DEG C;
The surface density of described combination mat is 250 ~ 300g/m
2or 600g/m
2;
Described hot-forming temperature is 160 ~ 210 DEG C;
Described method also comprises the step of secondary sizing: described preformed main heel toe cap softened, and then the main heel toe cap after softening is placed in the corresponding site of upper of a shoe, completes the secondary sizing of described main heel toe cap in the type-approval process of described upper of a shoe.
2. the main heel toe cap prepared of method described in claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310228417.9A CN103300544B (en) | 2013-06-08 | 2013-06-08 | A kind of main heel toe cap and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310228417.9A CN103300544B (en) | 2013-06-08 | 2013-06-08 | A kind of main heel toe cap and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103300544A CN103300544A (en) | 2013-09-18 |
| CN103300544B true CN103300544B (en) | 2015-08-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310228417.9A Expired - Fee Related CN103300544B (en) | 2013-06-08 | 2013-06-08 | A kind of main heel toe cap and preparation method thereof |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104592537A (en) * | 2013-10-31 | 2015-05-06 | 际华三五一五皮革皮鞋有限公司 | Environmentally-friendly composite solvent for counter and toe cap |
| CN105803670B (en) * | 2016-04-19 | 2018-07-24 | 特斯（中国）有限公司 | A kind of environment-friendly type thickeies the beautiful heart cloth of loop bonding, production technology and a kind of insole |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101457444A (en) * | 2008-12-01 | 2009-06-17 | 江苏紫荆花纺织科技股份有限公司 | Nonwoven flax cloth sandwich and method for producing the same |
| CN102182012A (en) * | 2011-05-10 | 2011-09-14 | 宁波兰迪汽配工业有限公司 | Modified cotton fiber felt and application thereof |
| CN102641011A (en) * | 2012-04-18 | 2012-08-22 | 上海新一名实业（集团）有限公司 | Safety shoe and method for manufacturing same |
-
2013
- 2013-06-08 CN CN201310228417.9A patent/CN103300544B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101457444A (en) * | 2008-12-01 | 2009-06-17 | 江苏紫荆花纺织科技股份有限公司 | Nonwoven flax cloth sandwich and method for producing the same |
| CN102182012A (en) * | 2011-05-10 | 2011-09-14 | 宁波兰迪汽配工业有限公司 | Modified cotton fiber felt and application thereof |
| CN102641011A (en) * | 2012-04-18 | 2012-08-22 | 上海新一名实业（集团）有限公司 | Safety shoe and method for manufacturing same |
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| CN103300544A (en) | 2013-09-18 |
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