CN112126214A - Nano composite polyurethane composite material applied to shock absorption layer of tool handle, tool handle and manufacturing method of tool handle - Google Patents
Nano composite polyurethane composite material applied to shock absorption layer of tool handle, tool handle and manufacturing method of tool handle Download PDFInfo
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- CN112126214A CN112126214A CN201910553658.8A CN201910553658A CN112126214A CN 112126214 A CN112126214 A CN 112126214A CN 201910553658 A CN201910553658 A CN 201910553658A CN 112126214 A CN112126214 A CN 112126214A
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- tool handle
- shock absorption
- nano
- polyurethane
- absorption layer
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Links
- 239000004814 polyurethane Substances 0.000 title claims abstract description 54
- 229920002635 polyurethane Polymers 0.000 title claims abstract description 47
- 230000035939 shock Effects 0.000 title claims abstract description 44
- 238000010521 absorption reaction Methods 0.000 title claims abstract description 38
- 239000002131 composite material Substances 0.000 title claims abstract description 31
- 239000002114 nanocomposite Substances 0.000 title claims abstract description 24
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 16
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 61
- 235000012239 silicon dioxide Nutrition 0.000 claims abstract description 22
- 239000005543 nano-size silicon particle Substances 0.000 claims abstract description 21
- 238000001746 injection moulding Methods 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims abstract description 10
- 239000002245 particle Substances 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 10
- 239000000377 silicon dioxide Substances 0.000 claims description 10
- 239000002105 nanoparticle Substances 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 claims description 6
- 230000004048 modification Effects 0.000 claims description 6
- 238000012986 modification Methods 0.000 claims description 6
- WPKYZIPODULRBM-UHFFFAOYSA-N azane;prop-2-enoic acid Chemical compound N.OC(=O)C=C WPKYZIPODULRBM-UHFFFAOYSA-N 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-O ammonium group Chemical group [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- 125000000524 functional group Chemical group 0.000 claims description 3
- 238000005469 granulation Methods 0.000 claims description 3
- 230000003179 granulation Effects 0.000 claims description 3
- 239000012074 organic phase Substances 0.000 claims description 3
- 238000001179 sorption measurement Methods 0.000 claims description 3
- 229920005830 Polyurethane Foam Polymers 0.000 claims description 2
- 239000011248 coating agent Substances 0.000 claims description 2
- 238000000576 coating method Methods 0.000 claims description 2
- 239000011496 polyurethane foam Substances 0.000 claims description 2
- 239000010985 leather Substances 0.000 abstract description 8
- 239000003086 colorant Substances 0.000 abstract description 5
- 239000000126 substance Substances 0.000 abstract description 4
- 239000000853 adhesive Substances 0.000 abstract description 2
- 230000001070 adhesive effect Effects 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 abstract description 2
- 230000014759 maintenance of location Effects 0.000 abstract description 2
- 230000000704 physical effect Effects 0.000 abstract description 2
- 239000002086 nanomaterial Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 229920002521 macromolecule Polymers 0.000 description 3
- 239000004743 Polypropylene Substances 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- -1 polypropylene Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 230000005476 size effect Effects 0.000 description 2
- 229920002292 Nylon 6 Polymers 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000002649 leather substitute Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
- 230000009967 tasteless effect Effects 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K9/00—Use of pretreated ingredients
- C08K9/04—Ingredients treated with organic substances
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25G—HANDLES FOR HAND IMPLEMENTS
- B25G1/00—Handle constructions
- B25G1/01—Shock-absorbing means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25G—HANDLES FOR HAND IMPLEMENTS
- B25G1/00—Handle constructions
- B25G1/10—Handle constructions characterised by material or shape
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/34—Silicon-containing compounds
- C08K3/36—Silica
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
Landscapes
- 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)
- Mechanical Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a nano composite polyurethane composite material applied to a shock absorption layer of a tool handle, the tool handle and a manufacturing method thereof, belonging to the shock absorption technology of a hand tool, wherein the shock absorption layer of the existing tool handle has poor performance, the nano composite polyurethane composite material applied to the shock absorption layer of the tool handle is prepared by granulating nano silicon dioxide and polyurethane according to the mass ratio of 3-5%, and is coated on an inner framework through injection molding of an injection molding machine. The invention improves the PU leather on the tool handle to ensure that the physical properties of the tool handle in shock absorption, mechanical strength, chemical resistance, moisture absorption and discharge, quality uniformity and shape retention become more excellent, and the surface of the tool handle is used as an outer shock absorption layer. Meanwhile, the color adhesive has the characteristics of rich colors and various patterns, can be conveniently attached with colors, and is suitable for different customer requirements. The improved PU leather surface is almost free from color addition in theory, and can be ensured to never fade in the using process.
Description
Technical Field
The invention belongs to the shock absorption technology of a manual tool, and particularly relates to a nano composite polyurethane composite material applied to a shock absorption layer of a tool handle, the tool handle and a manufacturing method of the tool handle.
Background
PU leather (PU is an abbreviation for polyurethane, which is called polyurethane or polyurethane in chinese) is the closest natural leather in artificial leather, has a leather-like hand feeling, and can be used instead of it. PU leather is applied to the tool handle to be used as a shock absorption layer, and has no trouble that genuine leather is expensive in manufacturing cost, difficult to form, less in resource and troublesome in later-stage use and maintenance.
The shock absorption layer of the handle of the traditional knocking tool has poor performance, and the maximum 3 colors are achieved on the premise that the existing process and the price can be accepted by the market.
Disclosure of Invention
The invention aims to solve the technical problems and provide a technical task for overcoming the defect of poor performance of a shock absorption layer of the existing tool handle, and provides a nano composite polyurethane composite material applied to the shock absorption layer of the tool handle, the tool handle and a manufacturing method thereof.
In order to achieve the purpose, the invention relates to a nano composite polyurethane composite material applied to a shock absorption layer of a tool handle, which is characterized in that: the polyurethane foam is prepared by granulating nano silicon dioxide and polyurethane in a ratio, wherein the mass percent of the nano silicon dioxide is 3-5%, and the balance is the polyurethane.
Preferably, the mass percentage of the nano silica is 4%.
In order to achieve the above purpose, the invention provides a method for manufacturing a nano composite polyurethane composite material applied to a shock absorption layer of a tool handle, which is characterized in that: the nano silicon dioxide/polyurethane composite material is prepared by granulating nano silicon dioxide and polyurethane according to the mass ratio of 3-5%, and the surface of the nano silicon dioxide is modified before granulation, so that the surface energy state of particles is reduced, the surface charge of the particles is eliminated, the affinity of a nano particle organic phase is improved, and the surface polarity of the nano particles is weakened.
The preferable technical means of the method for manufacturing the nanocomposite polyurethane composite material are as follows: the modification treatment is to add the acrylate containing ammonium groups and the nano-silica into a high-speed heating mixer for high-speed mixing according to a certain proportion, and modify the particle surface by utilizing the adsorption or chemical reaction of functional groups in ammonium acrylate molecules on the surface of the silica particles.
The preferable technical means of the method for manufacturing the nanocomposite polyurethane composite material are as follows: drying the polyurethane for 4 +/-0.5 hours to ensure that the water content of the dried material is less than 0.02 wt%, uniformly mixing the nano silicon dioxide with the surface subjected to modification treatment with the polyurethane material according to the mass ratio of 3-5%, and heating, extruding and granulating to obtain the nano composite polyurethane composite material.
In order to achieve the purpose, the tool handle comprises an inner framework and a shock absorption layer, and is characterized in that: the shock absorption layer is formed by coating the nano composite polyurethane composite material of claim 1 on the inner framework through injection molding of an injection molding machine.
As the preferable technical means of the tool handle: the tool handle is a knocking tool.
As the preferable technical means of the tool handle: the sectional outer contour of the shock absorbing layer is gradually enlarged from front to back.
As the preferable technical means of the tool handle: the radial dimension of the cross-section outer contour of the front end of the shock absorption layer is 27-33.5mm, and the radial dimension of the cross-section outer contour of the rear end of the shock absorption layer is 42-45 mm.
The nano composite polyurethane composite material applied to the shock absorption layer of the tool handle is prepared by granulating nano silicon dioxide and polyurethane according to the mass ratio of 3-5%, and is coated on the inner framework through injection molding of an injection molding machine. The invention improves the PU leather on the tool handle to ensure that the physical properties of the tool handle in shock absorption, mechanical strength, chemical resistance, moisture absorption and discharge, quality uniformity and shape retention become more excellent, and the surface of the tool handle is used as an outer shock absorption layer. Meanwhile, the color adhesive has the characteristics of rich colors and various patterns, can be conveniently attached with colors, and is suitable for different customer requirements. The improved PU leather surface is almost free from color addition in theory, and can be ensured to never fade in the using process.
Detailed Description
The present invention is further explained below.
The nano composite polyurethane composite material applied to the shock absorption layer of the tool handle is prepared by granulating nano silicon dioxide and polyurethane in a ratio, wherein the mass percent of the nano silicon dioxide is 3-5%, preferably 4%, and the rest is polyurethane.
During the manufacturing, the nano silicon dioxide and polyurethane are granulated according to the mass ratio of 3-5%, and the surface of the nano silicon dioxide is modified before granulation, so that the surface energy state of the particles is reduced, the surface charge of the particles is eliminated, the affinity of the organic phase of the nano particles is improved, and the surface polarity of the nano particles is weakened. Specifically, the modification treatment is to add the acrylate containing ammonium groups and nano-silica into a high-speed heating mixer according to a certain proportion for high-speed mixing, and modify the particle surface by utilizing the adsorption or chemical reaction of functional groups in ammonium acrylate molecules on the surface of the silica particles, wherein the mass percentage of the ammonium acrylate and the silica is (4: 6) - (6: 4). Can reduce the surface energy of nano material particles, improve the dispersion condition of nano material and obtain the composite material with good performance. And drying the polyurethane for 4 +/-0.5 hours to ensure that the water content of the dried polyurethane is less than 0.02 wt% (namely 0.02 mass percent), uniformly mixing the nano silicon dioxide with the surface subjected to modification treatment with the polyurethane material according to the mass ratio of 3-5%, and heating, extruding and granulating to obtain the nano composite polyurethane composite material.
The nano composite polyurethane composite material is used as a shock absorption layer of a tool handle, particularly a shock absorption layer of a knocking tool handle, the tool comprises an inner framework and the shock absorption layer, the nano composite polyurethane composite material is coated on the inner framework through injection molding by an injection molding machine, and the set temperatures from a feeding port to a die head nozzle during injection molding are respectively 220 ℃, 240 ℃, 250 ℃ and 240 ℃ and are formed through high-speed injection molding; and (4) selecting according to the die to obtain a corresponding section. Further, the sectional outer contour of the shock absorbing layer becomes gradually larger from the front to the rear. The maximum radial dimension of the cross-sectional outer contour at the front end of the shock absorption layer is 27-33.5mm, and the maximum radial dimension of the cross-sectional outer contour at the rear end of the shock absorption layer is 42-45 mm. Considering that the sizes of hands of consumers in different markets are different, the sizes of the hands of the consumers are represented by Asian markets at present and can be smaller, and the sizes of the hands of the consumers are represented by European markets and can be larger. The cross-sectional outer profile of the shock absorbing layer may be circular or elliptical.
And after the whole handle is manufactured, the handle is assembled on a knocking tool. The handle is buffered by two stages of the inner damping layer and the outer damping layer, so that the shock absorption performance can be effectively improved, and the shock impact is reduced. The manufacturing method reduces the steps of moulds and injection moulding, and has the advantages of simple manufacturing method, convenient manufacturing and low production cost. And due to the flexibility of the surface of the handle, the concave-convex hand shape which is most suitable for the same consumer can be formed in the long-term use process.
Nano-silica is an inorganic chemical material. Due to the ultrafine nanometer scale, the size range is 1-100nm, so the material has a plurality of unique properties, such as optical performance for resisting ultraviolet rays, and the aging resistance, the strength and the chemical resistance of other materials can be improved. The application is very wide. The nano-scale silicon dioxide is amorphous white powder, is nontoxic, tasteless and pollution-free, has a spherical microstructure, is in a flocculent and reticular quasi-particle structure, and is insoluble in water.
Due to nano silicon dioxide (SiO)2) The nano-particle has the characteristics of small size effect, surface interface effect, quantum size effect, macroscopic quantum tunneling effect, special optical and electrical characteristics, high magnetic resistance phenomenon, non-linear resistance phenomenon, high strength, high toughness, good stability and other singularities at high temperature, large specific surface area of the nano-particle, large proportion of atoms on the surface and high surface energy.
The surface atoms are chemically very active due to their lack of adjacent coordinated atoms and high surface energy, thus allowing the nanoparticles to exhibit strong surface effects. By utilizing the characteristics of the nano material, the nano material can generate bonding effect with certain macromolecules, and the bonding force between molecules is improved, so that the strength and the toughness of the composite material added with the nano material are greatly improved. The tensile strength of the composite material filled with the common filler is obviously reduced, while the tensile strength of the composite material filled with the nano material is increased and has an extreme value in a certain range. The tensile strength of the nanosilica-filled composite reaches a maximum at a nanosilica content of 4%.
The general polypropylene is modified by the nanotechnology, the performance of the general polypropylene can reach the performance index of nylon 6, but the cost is reduced by 1/3, and the product can obtain better economic benefit such as industrial production. The nanometer silica is a three-dimensional chain structure, and is uniformly dispersed in rubber macromolecules and combined with the rubber macromolecules to form a three-dimensional net structure, so that the strength, elasticity and wear resistance of the product are improved, and meanwhile, the ultraviolet reflectivity of the nanometer silica within 499nm of wavelength reaches 70-80%, so that the nanometer silica can play a role in shielding ultraviolet light on materials, and the ageing resistance of the materials is improved.
Claims (9)
1. The nano composite polyurethane composite material applied to the shock absorption layer of the tool handle is characterized in that: the polyurethane foam is prepared by granulating nano silicon dioxide and polyurethane in a ratio, wherein the mass percent of the nano silicon dioxide is 3-5%, and the balance is the polyurethane.
2. The nanocomposite polyurethane composite material as claimed in claim 1 applied to a shock absorbing layer of a tool handle, wherein: the mass percent of the nano silicon dioxide is 4%.
3. The manufacturing method of the nano composite polyurethane composite material applied to the shock absorption layer of the tool handle is characterized in that: the nano silicon dioxide/polyurethane composite material is prepared by granulating nano silicon dioxide and polyurethane according to the mass ratio of 3-5%, and the surface of the nano silicon dioxide is modified before granulation, so that the surface energy state of particles is reduced, the surface charge of the particles is eliminated, the affinity of a nano particle organic phase is improved, and the surface polarity of the nano particles is weakened.
4. The method of claim 3 wherein the nanocomposite polyurethane composite material is applied to a shock absorbing layer of a tool handle, wherein the method comprises the steps of: the modification treatment is to add the acrylate containing ammonium groups and the nano-silica into a high-speed heating mixer for high-speed mixing according to a certain proportion, and modify the particle surface by utilizing the adsorption or chemical reaction of functional groups in ammonium acrylate molecules on the surface of the silica particles.
5. The method for manufacturing a nanocomposite polyurethane composite material for a tool handle shock absorbing layer as claimed in claim 3 or 4, wherein: drying the polyurethane for 4 +/-0.5 hours to ensure that the water content of the dried material is less than 0.02 wt%, uniformly mixing the nano silicon dioxide with the surface subjected to modification treatment with the polyurethane material according to the mass ratio of 3-5%, and heating, extruding and granulating to obtain the nano composite polyurethane composite material.
6. The tool handle comprises an inner framework and a shock absorption layer, and is characterized in that: the shock absorption layer is formed by coating the nano composite polyurethane composite material of claim 1 on the inner framework through injection molding of an injection molding machine.
7. The tool handle of claim 6, wherein: the tool handle is a knocking tool.
8. The tool handle of claim 6, wherein: the sectional outer contour of the shock absorbing layer is gradually enlarged from front to back.
9. The tool handle of claim 8, wherein: the radial dimension of the cross-section outer contour of the front end of the shock absorption layer is 27-33.5mm, and the radial dimension of the cross-section outer contour of the rear end of the shock absorption layer is 42-45 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910553658.8A CN112126214A (en) | 2019-06-25 | 2019-06-25 | Nano composite polyurethane composite material applied to shock absorption layer of tool handle, tool handle and manufacturing method of tool handle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910553658.8A CN112126214A (en) | 2019-06-25 | 2019-06-25 | Nano composite polyurethane composite material applied to shock absorption layer of tool handle, tool handle and manufacturing method of tool handle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112126214A true CN112126214A (en) | 2020-12-25 |
Family
ID=73849044
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910553658.8A Pending CN112126214A (en) | 2019-06-25 | 2019-06-25 | Nano composite polyurethane composite material applied to shock absorption layer of tool handle, tool handle and manufacturing method of tool handle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112126214A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116945113A (en) * | 2023-07-12 | 2023-10-27 | 裕克施乐塑料制品（太仓）有限公司 | Holding handle and application |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4981737A (en) * | 1988-08-22 | 1991-01-01 | Nicholas Rico | Tool wrap |
| DE102006031245A1 (en) * | 2006-07-06 | 2008-01-10 | Schenk Plastic Solutions Gmbh | Tool handle, for manual power tools, has a damper between the tool mounting end and the handle grip to prevent vibrations passing into the hand or arm |
| CN101396824A (en) * | 2008-01-28 | 2009-04-01 | 杭州巨星科技股份有限公司 | Damping handle |
| CN201559185U (en) * | 2009-09-30 | 2010-08-25 | 杭州巨星科技股份有限公司 | Tool handle |
| CN101992462A (en) * | 2009-08-14 | 2011-03-30 | 杭州巨星科技股份有限公司 | Tool handle and manufacturing method thereof |
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2019
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116945113A (en) * | 2023-07-12 | 2023-10-27 | 裕克施乐塑料制品（太仓）有限公司 | Holding handle and application |
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Application publication date: 20201225 |