CN102717524A - Preparation process of composite material safety toe cap - Google Patents
Preparation process of composite material safety toe cap Download PDFInfo
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- CN102717524A CN102717524A CN2012102291661A CN201210229166A CN102717524A CN 102717524 A CN102717524 A CN 102717524A CN 2012102291661 A CN2012102291661 A CN 2012102291661A CN 201210229166 A CN201210229166 A CN 201210229166A CN 102717524 A CN102717524 A CN 102717524A
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Abstract
The invention discloses a preparation process of a composite material safety toe cap. The preparation method comprises the following steps of: (1) preparing resin paste; (2) preparing a composite coated fabric; (3) curing the composite coated fabric; (4) cutting; (5) laminating; (6) performing compression molding; and (7) finishing burrs to obtain a composite material safety toe finished product. The preparation method has the advantages that the composite material safety toe prepared by the process has the characteristics of high temperature resistance, cold resistance, acid resistance, alkali resistance, fuel oil resistance, environmental friendliness, no need of recovery, antistatic function, antibacterial function, no toxicity and no volatile substances.
Description
Technical field
The present invention relates to a kind of preparation technology of safety toes, specifically be meant a kind of preparation technology of composite safety toes.
Background technology
Traditional safety toes generally all is to adopt metal material to process, like the Q195-235 steel plate etc.Along with, the lifting of the safety check grade at airport and station at present, the safety toes of this quasi-tradition is when safety check, and rays safety detection apparatus can sound the alarm, and therefore, needs the user to take off shoes and carries out safety check, makes safety check length consuming time, and it is big inconvenient to bring to the user.
Therefore, at present people generally hope to develop and a kind ofly come the safety toes of substituted metal material by nonmagnetic substance, to overcome above-mentioned safety check problem.Yet, in the prior art, also do not have a kind of mature technique to make to adopt nonmagnetic substance system safety toes near or reach the performance of the safety toes of metal material.
Summary of the invention
The objective of the invention is in order to overcome the shortcoming and defect that prior art exists, and a kind of preparation technology of composite safety toes of can processability excellent composite safety toes is provided.
For realizing above-mentioned purpose, technical scheme of the present invention is may further comprise the steps:
(1) resin paste configuration, by following component configuration, in mass fraction:
1 part of vinyl esters high-ductility type resin
Polyvinyl acetate (PVAC) type low profile agent 0.14-0.17 part;
Dispersant 0.0.0057-0.0067 part;
Polymerization inhibitor 0.0002-0.0003 part;
Styrene 0.09-0.12 part;
Peroxidized t-butyl perbenzoate 0.0091-0.01 part;
Peroxidating (2-ethyl) hecanoic acid t-butyl ester 0.002-0.003 part;
Releasing agent 0.04-0.06 part;
Magnesia 0.017-0.025 part;
(2) composite coating cloth preparation,
(2.1) it is for use density to be that the polyethylene film of 50-57g/ ㎡ cuts into the polyethylene film fragment by the standard of 1.9-2.0 ㎡/sheet, and it is for use with model to be that the alkali-free glass fibre woven roving of EWR600-1000 cuts into alkali-free glass fibre woven roving fragment by the standard of 1.5-1.7 ㎡/sheet;
(2.2) resin paste with step (1) is coated on the alkali-free glass fibre woven roving fragment, obtains coated fabric, and wherein the mass ratio of the coated weight of resin paste and alkali-free glass fibre woven roving fragment is 35-45:100;
(2.3) coated fabric that step (2.2) is obtained places between two polyethylene film fragments, and roll extrusion repeatedly forms composite coating cloth then;
(3) multi-disc composite coating cloth is piled up in composite coating cloth slaking, seals up for safekeeping with the packing of PET polyurethane film then, places on the slaking frame, and curing temperature is 35-45 ℃, and the curing time is 35-45 hour, obtains the safety toes sheet stock;
(4) cutting is neatly piled up doubling then with 5-10 safety toes sheet stock, cut according to the regulation shape and the size of safety toes, the fiber of its section that cuts and safety toes sheet stock move towards parallel or vertical;
(5) overstock, the safety toes sheet stock after step (4) cutting is piled up and overstock into the toe-cap shape, obtain the safety toes semi-finished product
(6) compression molding places the toe-cap mould with the safety toes semi-finished product, and compression molding obtains the safety toes blank, and wherein the toe-cap mold temperature is set at 140 ± 15 ℃, and clamp time is 150-180 second;
(7) the finishing burr obtain composite safety toes finished product.
The technological process that the step (1) that is further is set is:
(1.1) vinyl esters high-ductility sexual type resin and polyvinyl acetate (PVAC) type low profile agent are sneaked in the container by the mass ratio of 1:0.14-0.17 stir;
(1.2) dispersant of 0.0.0057-0.0067 part is added in the mixture of step (1.1) stirred 2-4 minute;
(1.3) from the styrene total amount, getting polymerization inhibitor that 0.0022-0.003 part adds 0.0002-0.0003 part mixes and stirs;
(1.4) mixture of step (1.3) is added in the mixture of step (1.2) stir;
(1.5) peroxidized t-butyl perbenzoate of 0.0091-0.01 part and the mixing of the peroxidating of 0.002-0.003 part (2-ethyl) hecanoic acid t-butyl ester are stirred;
(1.6) mixture with step (1.5) places the mixture of step (1.4) to stir 2-4 minute;
(1.7) releasing agent of 0.04-0.06 part is added in the mixture of step (1.6) stir;
(1.8) from the styrene total amount, get in the magnesia that 0.02-0.03 part joins 0.017-0.025 part and stir;
(1.9) mixture of step (1.8) is added in the mixture of step (1.7) stir;
(2.0) residual styrene is all added the middle stirring of step (1.9) 5-8 minute, obtain resin paste.
Through the composite safety toes of prepared of the present invention, have high temperature resistant, cold-resistant, antiacid, alkali resistant, anti-fuel oil, environmental protection need not to reclaim, and electrostatic-proof function is arranged, and fungi-proofing, nontoxic, non-volatility object.In addition; Technology prepared composite material safety toes of the present invention also has light weight, the little advantage of distortion, when running into very big impulsive force, can absorb and decompose impact; Toe-cap becomes radial be full of cracks; And the conventional security toe-cap that can not process as metal material, depressed deformation is effectively protected person's toe.
The specific embodiment
Through embodiment the present invention is carried out concrete description below; Only be used for the present invention is further specified; Can not be interpreted as the qualification to protection domain of the present invention, the technician in this field can make some nonessential improvement and adjustment to the present invention according to the content of foregoing invention.
Below in conjunction with the specific embodiment, the application is done concrete elaboration,
One, the making step of resin paste
1. vinyl esters high-ductility type resin and polyvinyl acetate (PVAC) type low profile agent are sneaked in the container by the mass ratio of 1:0.14-0.17 and stir
2. the dispersant of 0.0.0057-0.0067 part is added in the mixture of step (1.1) and stirred 2-4 minute;
3. the polymerization inhibitor mixing of from the styrene total amount, getting 0.0022-0.003 part adding 0.0002-0.0003 part stirs;
4. the mixture of step (1.3) is added in the mixture of step (1.2) and stir;
5. peroxidized t-butyl perbenzoate of 0.0091-0.01 part and the mixing of the peroxidating of 0.002-0.003 part (2-ethyl) hecanoic acid t-butyl ester are stirred;
6. the mixture with step (1.5) places the mixture of step (1.4) to stir 2-4 minute;
7. the releasing agent of 0.04-0.06 part is added in the mixture of step (1.6) and stir;
8. from the styrene total amount, get in the magnesia that 0.02-0.03 part joins 0.017-0.025 part and stir;
9. the mixture of step (1.8) is added in the mixture of step (1.7) and stir;
10. residual styrene is all added in the step (1.9) and stirred 5-8 minute, obtain resin paste.
The described dispersant of present embodiment is BYK-A560, and this dispersant can be directly from market purchasing, and described polymerization inhibitor is a 1,4-benzoquinone, and said releasing agent is a zinc stearate.
Two, the making step of glass fibre woven roving resinous coat cloth
With density be 50-57g/ ㎡ polyethylene film by the standard of 1.9-2.0 ㎡/sheet cut into some for use.
With the alkali-free glass fibre woven roving of EWR600-1000 by the standard of 1.5-1.7 ㎡/sheet cut into some for use.
3. get 2 of the sheet stocks of step 1.
4. the sheet stock of the mixture of technology one step 10 and this road processing step 2 mass ratio by 35-45:100 on average is coated on the step 3 equably.
5. the sheet stock a slice of getting step 4 places between 2 polyethylene films of step 4 (having the one side of resin paste to be attached on the glass fibre woven roving).
6. the sheet stock with step 5 is tiled on the exclusive table with special roller roll extrusion 2-3 time; Resin paste is coated on the alkali-free glass fibre woven roving of EWR600-1000 equably; Arrive this, accomplish the manufacturing process (hereinafter to be referred as sheet stock) of glass fibre woven roving resinous coat cloth.
Three, cloth slaking,
1. the sheet stock 20-30 sheet of taking technique two steps 6 is tiled in together, all around alignment (sheet stock cannot fold).
2. the sheet stock of step 1 is sealed up for safekeeping with the packing of PET polyurethane film.
3. getting step 2 a liang bag places on the special-purpose slaking frame.
4. the temperature in the adjustment slaking room is controlled at it between 35-45 degree centigrade.
5. according to the space in slaking room size, the sheet stock slaking frame that is placed with of an amount of step 3 is emitted in the slaking room in an orderly manner.
6. the sheet stock of treating step 3 can take out after 35-45 hour in step 5 matured and place specific room for use, arrives this, and the raw material of producing the composite safety toes completes.
Four, sheet stock cuts
1. fitly to be tiled in together doubling more subsequent use for the sheet stock 5-10 sheet of taking technique three steps 6.
2. prepare the cutting tool (contour shape of blade has fan-shaped and T shape) of regulation shape and size according to the predetermined technology of composite safety toes.
3. the material with step 1 is tiled on the workbench of cutting machine; Put the cut-off knife of a step 2 arbitrarily; Mix up the depth of cut of cutting machine; The fiber orientation of sheet stock with respect to cutting machine workbench edge about or front and back should be parallel, the profile of cutting tool blade as far as possible with the fiber of sheet stock move towards parallel or vertical.
4. press Equipment Control button blank.
5. fitly be contained in the sheet stock of step 4 in the square plastic basket and seal up for safekeeping subsequent use with polybag.
Five, hand lay-up
1. take out the sheet stock of technology four steps 5; Throw off the polyethylene film on two sides; By predetermined technological requirement; With fan-shaped alternate with T shape and overlay on the exclusive table (needing need add 450 Denier polyester knitting cloth in addition) in an orderly manner through the product of EN12568 and CSA strength test standard, once only put the tablet of a number toe-cap, be regardless of left and right sides pin.
2. the sheet stock of step 1 is appointed and get one group to be placed on specification be to weigh on the 0-500g electronic scale, the contrast technological requirement, underweight part is replenished with leftover pieces, but the weight of monolithic leftover pieces will be controlled at about 1.5 grams.
3. the sheet stock that step 2 is weighed up just is converted into the toe-cap shape by hand with preset program, and leftover pieces will be placed on the thicker position of toe-cap thickness by the supplement of wanting of regulation, and will be by one group of level that is placed on regulation of 2-4 sheet.
4. the toe-cap that 450 Denier polyester knitting cloth are arranged, cloth must wrap in the extexine and the endosexine at toe-cap instep position, and the joint of cloth will arrive this at the footing position of toe-cap head end, and single toe-cap hand lay-up finishes.
Six, compression molding
1. confirm the compression molding devices needed.
2. confirm the logarithm and the model specification of once molding formed required toe-cap mould.
3. by predetermined technological requirement, confirm the technological parameter (like pressure, molding time, forming temperature etc.) of equipment.
4. toe-cap mould that will be to be produced is contained in to be confirmed on the good equipment.
5. open heating system, heat to mould.
6. after waiting for 30-50 minute, the temperature that detects mould with specific purpose tool has or not the technological requirement that reaches predetermined, and standard is 140 ± 15 ℃.
7. step 6 satisfies and can the subsequent use toe-cap that technology five steps 3 or 4 are rolled well be put into die after technological standards requires, and presses the Equipment Control button immediately, makes that mould is protruding, the die matched moulds.
8. wait for 150-180 after the time second die sinking take out product.Arrive this, compression molding OK.
Seven, finishing burr
1. unnecessary rim charge beyond the product spue line of technology six steps 8 is removed with file, the vestige rounding of head end knock-pin is suitable, makes its contour smoothing, flat appearance.
2. aging like mould, also can be on edge polisher the operation of completing steps 1, arrive this, composite safety toes finishing burr operation is accomplished.
Eight, check, packing warehouse-in
1. the outward appearance of check product defectiveness whether, whether key dimension satisfies design input requirement, and whether intensity satisfies the corresponding standard requirement.
2. step 1 can be by relevant criterion packing warehouse-in after meeting enterprise and corresponding standard requirement.
Claims (2)
1. the preparation technology of a composite safety toes is characterized in that may further comprise the steps:
(1) resin paste configuration, by following component configuration, in mass fraction:
1 part of vinyl esters high-ductility type resin
Polyvinyl acetate type low profile agent 0.14-0.17 part;
Dispersant 0.0.0057-0.0067 part;
Polymerization inhibitor 0.0002-0.0003 part;
Styrene 0.09-0.12 part;
Peroxidized t-butyl perbenzoate 0.0091-0.01 part;
Peroxidating (2-ethyl) hecanoic acid t-butyl ester 0.002-0.003 part;
Releasing agent 0.04-0.06 part;
Magnesia 0.017-0.025 part;
(2) composite coating cloth preparation
(2.1) it is for use density to be that the polyethylene film of 50-57g/ ㎡ cuts into the polyethylene film fragment by the standard of 1.9-2.0 ㎡/sheet, and it is for use with model to be that the alkali-free glass fibre woven roving of EWR600-1000 cuts into alkali-free glass fibre woven roving fragment by the standard of 1.5-1.7 ㎡/sheet;
(2.2) resin paste with step (1) is coated on the alkali-free glass fibre woven roving fragment, obtains coated fabric, and wherein the mass ratio of the coated weight of resin paste and alkali-free glass fibre woven roving fragment is 35-45:100;
(2.3) coated fabric that step (2.2) is obtained places between two polyethylene film fragments, and roll extrusion repeatedly forms composite coating cloth then;
(3) multi-disc composite coating cloth is piled up in composite coating cloth slaking, seals up for safekeeping with the packing of PET polyurethane film then, places on the slaking frame, and curing temperature is 35-45 ℃, and the curing time is 35-45 hour, obtains the safety toes sheet stock;
(4) cutting is neatly piled up doubling then with 5-10 safety toes sheet stock, cut according to the regulation shape and the size of safety toes, the fiber of its section that cuts and safety toes sheet stock move towards parallel or vertical;
(5) overstock, the safety toes sheet stock after step (4) cutting is piled up and overstock into the toe-cap shape, obtain the safety toes semi-finished product
(6) compression molding places the toe-cap mould with the safety toes semi-finished product, and compression molding obtains the safety toes blank, and wherein the toe-cap mold temperature is set at 140 ± 15 ℃, and clamp time is 150-180 second;
(7) the finishing burr obtain composite safety toes finished product.
2. the preparation technology of a kind of composite safety toes according to claim 1, the technological process of described step (1) is:
(1.1) vinyl esters high-ductility type resin and polyvinyl acetate type low profile agent are sneaked in the container by the mass ratio of 1:0.14-0.17 stir;
(1.2) dispersant of 0.0.0057-0.0067 part is added in the mixture of step (1.1) stirred 2-4 minute;
(1.3) from the styrene total amount, getting polymerization inhibitor that 0.0022-0.003 part adds 0.0002-0.0003 part mixes and stirs;
(1.4) mixture of step (1.3) is added in the mixture of step (1.2) stir;
(1.5) peroxidized t-butyl perbenzoate of 0.0091-0.01 part and the mixing of the peroxidating of 0.002-0.003 part (2-ethyl) hecanoic acid t-butyl ester are stirred;
(1.6) mixture with step (1.5) places the mixture of step (1.4) to stir 2-4 minute;
(1.7) releasing agent of 0.04-0.06 part is added in the mixture of step (1.6) stir;
(1.8) from the styrene total amount, get in the magnesia that 0.02-0.03 part joins 0.017-0.025 part and stir;
(1.9) mixture of step (1.8) is added in the mixture of step (1.7) stir;
(2.0) residual styrene is all added the middle stirring of step (1.9) 5-8 minute, obtain resin paste.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102291661A CN102717524A (en) | 2012-07-04 | 2012-07-04 | Preparation process of composite material safety toe cap |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102291661A CN102717524A (en) | 2012-07-04 | 2012-07-04 | Preparation process of composite material safety toe cap |
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| CN102717524A true CN102717524A (en) | 2012-10-10 |
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| CN2012102291661A Pending CN102717524A (en) | 2012-07-04 | 2012-07-04 | Preparation process of composite material safety toe cap |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103113733A (en) * | 2013-01-30 | 2013-05-22 | 刘福华 | Composite material safety toe cap and manufacturing method thereof |
| CN105212435A (en) * | 2014-05-28 | 2016-01-06 | 淮安可宾复合材料有限公司 | A kind of nano composite material safety toes and preparation method thereof |
| CN107467787A (en) * | 2017-09-11 | 2017-12-15 | 南京苏展智能科技有限公司 | A kind of c-based nanomaterial composite safe toe-cap and preparation method thereof |
| CN113684640A (en) * | 2021-10-09 | 2021-11-23 | 内蒙古中禾绒毛纺织有限公司 | Textile fabric burr processing technology |
| CN115926488A (en) * | 2022-10-28 | 2023-04-07 | 永康市赛复特工贸有限公司 | Labor protection shoe toe cap formula |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1064826C (en) * | 1995-08-24 | 2001-04-25 | 王家锦 | Method for making safety non-metallic socks |
| CN2742806Y (en) * | 2004-09-03 | 2005-11-30 | 宁波可宾复合材料有限公司 | Safety toe cap made of new type composite material |
-
2012
- 2012-07-04 CN CN2012102291661A patent/CN102717524A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1064826C (en) * | 1995-08-24 | 2001-04-25 | 王家锦 | Method for making safety non-metallic socks |
| CN2742806Y (en) * | 2004-09-03 | 2005-11-30 | 宁波可宾复合材料有限公司 | Safety toe cap made of new type composite material |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103113733A (en) * | 2013-01-30 | 2013-05-22 | 刘福华 | Composite material safety toe cap and manufacturing method thereof |
| CN105212435A (en) * | 2014-05-28 | 2016-01-06 | 淮安可宾复合材料有限公司 | A kind of nano composite material safety toes and preparation method thereof |
| CN105212435B (en) * | 2014-05-28 | 2017-05-24 | 淮安可宾复合材料有限公司 | Safety toe cap of nano-composite material and preparation method of safety toe cap |
| CN107467787A (en) * | 2017-09-11 | 2017-12-15 | 南京苏展智能科技有限公司 | A kind of c-based nanomaterial composite safe toe-cap and preparation method thereof |
| CN113684640A (en) * | 2021-10-09 | 2021-11-23 | 内蒙古中禾绒毛纺织有限公司 | Textile fabric burr processing technology |
| CN115926488A (en) * | 2022-10-28 | 2023-04-07 | 永康市赛复特工贸有限公司 | Labor protection shoe toe cap formula |
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Application publication date: 20121010 |