CN107987215A - A kind of preparation method of severing machine worktable protective film - Google Patents
A kind of preparation method of severing machine worktable protective film Download PDFInfo
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- CN107987215A CN107987215A CN201711272564.0A CN201711272564A CN107987215A CN 107987215 A CN107987215 A CN 107987215A CN 201711272564 A CN201711272564 A CN 201711272564A CN 107987215 A CN107987215 A CN 107987215A
- Authority
- CN
- China
- Prior art keywords
- sbq
- pva
- film
- protective film
- preparation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000001681 protective effect Effects 0.000 title claims abstract description 19
- 238000002360 preparation method Methods 0.000 title claims abstract description 13
- WOBHKFSMXKNTIM-UHFFFAOYSA-N Hydroxyethyl methacrylate Chemical compound CC(=C)C(=O)OCCO WOBHKFSMXKNTIM-UHFFFAOYSA-N 0.000 claims abstract description 44
- 229920002818 (Hydroxyethyl)methacrylate Polymers 0.000 claims abstract description 22
- 150000001875 compounds Chemical class 0.000 claims abstract description 5
- 229920002338 polyhydroxyethylmethacrylate Polymers 0.000 claims description 25
- 239000012528 membrane Substances 0.000 claims description 24
- 239000002131 composite material Substances 0.000 claims description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 206010039424 Salivary hypersecretion Diseases 0.000 claims description 6
- 238000001035 drying Methods 0.000 claims description 6
- 239000011521 glass Substances 0.000 claims description 6
- 208000026451 salivation Diseases 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 5
- 239000007864 aqueous solution Substances 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 claims description 2
- 239000003999 initiator Substances 0.000 claims 1
- 210000003296 saliva Anatomy 0.000 claims 1
- 238000004132 cross linking Methods 0.000 abstract description 11
- 229910052739 hydrogen Inorganic materials 0.000 abstract description 7
- 239000001257 hydrogen Substances 0.000 abstract description 7
- 238000006243 chemical reaction Methods 0.000 abstract description 6
- 238000006471 dimerization reaction Methods 0.000 abstract description 5
- 239000002904 solvent Substances 0.000 abstract description 5
- 238000005520 cutting process Methods 0.000 abstract description 2
- 229920000642 polymer Polymers 0.000 abstract 1
- 238000006116 polymerization reaction Methods 0.000 abstract 1
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 22
- 229920002451 polyvinyl alcohol Polymers 0.000 description 22
- 239000000463 material Substances 0.000 description 6
- 239000004519 grease Substances 0.000 description 3
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 230000010148 water-pollination Effects 0.000 description 2
- GJKGAPPUXSSCFI-UHFFFAOYSA-N 2-Hydroxy-4'-(2-hydroxyethoxy)-2-methylpropiophenone Chemical compound CC(C)(O)C(=O)C1=CC=C(OCCO)C=C1 GJKGAPPUXSSCFI-UHFFFAOYSA-N 0.000 description 1
- OMIGHNLMNHATMP-UHFFFAOYSA-N 2-hydroxyethyl prop-2-enoate Chemical compound OCCOC(=O)C=C OMIGHNLMNHATMP-UHFFFAOYSA-N 0.000 description 1
- -1 PHEMA compound Chemical class 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Classifications
-
- 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
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F261/00—Macromolecular compounds obtained by polymerising monomers on to polymers of oxygen-containing monomers as defined in group C08F16/00
- C08F261/02—Macromolecular compounds obtained by polymerising monomers on to polymers of oxygen-containing monomers as defined in group C08F16/00 on to polymers of unsaturated alcohols
- C08F261/04—Macromolecular compounds obtained by polymerising monomers on to polymers of oxygen-containing monomers as defined in group C08F16/00 on to polymers of unsaturated alcohols on to polymers of vinyl alcohol
-
- 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
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/28—Treatment by wave energy or particle radiation
-
- 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
- C08J2329/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal, or ketal radical; Hydrolysed polymers of esters of unsaturated alcohols with saturated carboxylic acids; Derivatives of such polymer
- C08J2329/02—Homopolymers or copolymers of unsaturated alcohols
- C08J2329/04—Polyvinyl alcohol; Partially hydrolysed homopolymers or copolymers of esters of unsaturated alcohols with saturated carboxylic acids
Abstract
The invention discloses a kind of preparation method of severing machine worktable protective film; by the way that photosensitive PVA SbQ and hydroxyethyl methacrylate hydrogen bond is compound; photoinitiator and it is UV light-induced under; the polymerization crosslinking of hydroxyethyl methacrylate double bond and the dimerization cross-linking reaction of SbQ groups occurs at the same time; form close polymer network structure; obtain the preferable protective film of mechanical property, water-fast, oil resistant, solvent resistance; workbench available for protection cutting machine; service wear is reduced, is prolonged the service life.
Description
Technical field
The invention belongs to functional material and machinery equipment field, and in particular to a kind of system of severing machine worktable protective film
Preparation Method.
Background technology
For cutting machine during actual production use, work top is often subject to some damages, such as greasy dirt accounts for above
Hardly possible cleaning, water stain drip to get rusty easily above, and chemical solvent etc. accounts for easily corroding above, and is sometimes wiped by machine tool
Touching can cause to wear.In fact all more or less there are these common faults easy to wear, patent for the operation console of mechanical equipment, workbench
Document CN101114605A is reported sets alumina protective layer to improve wearability on substrate stage.
Polyvinyl alcohol (PVA) is the high-molecular compound that hydroxyl is carried in a class formation, and hydroxyl size is small, and polarity is strong, is held
Hydrogen bond easily is formed with other molecules, it has excellent film forming, caking property, and good grease resistance and solvent resistance,
Physicochemical properties are also relatively stable, it is also equipped with highly crystalline, therefore also preferable as material block performance.Therefore with
PVA is that the membrane material of matrix can play certain protective role to mechanical equipment, it is possible to increase grease resistance, chemically-resistant solvent, resistance to
The performances such as mill.But PVA is since hydrophily is stronger, thus the hydrophily on membrane material surface and the water resistance of film are inevitable relatively bad
Gesture.PVA-SbQ is a kind of PVA of photosensitive modification, and the SbQ photosensitive groups of part have been grafted in its chain structure, can be in ultraviolet light
Induction is lower to occur dimerization cross-linking reaction, and the raising to material mechanical performance and water resistance has remarkable effect, and PVA-SbQ chains
Duan Zhongwei also can produce hydrogen bond action by the hydroxyl that SbQ substitutes with other molecules.
The content of the invention
A kind of preparation method of severing machine worktable protective film of invention.Specifically utilize PVA-SbQ and methyl
Interaction of hydrogen bond between hydroxy-ethyl acrylate (HEMA), HEMA are wrapped in the form of suction-operated on PVA-SbQ segments,
Photoinitiator is added, carries out ultraviolet lighting to it, polymerisation, another aspect SbQ easily occur for the double bond in one side HEMA
Group forms double crosslinked composite network structures in UV light-induced lower generation dimerization cross-linking reaction, mechanical property to film, resistance to
Water-based and surface hydrophobicity has larger improvement.
A kind of preparation method of severing machine worktable protective film of invention, it is characterised in that：First by PVA-
SbQ, hydroxyethyl methacrylate (HEMA), water-soluble light trigger mixing, are formed a film, then film is carried out ultraviolet light by casting method
Induction cross-linking reaction obtains.
Specifically prepared by following steps：(1) first configuration quality concentration be 2%-4% PVA-SbQ aqueous solution；Again plus
Enter hydroxyethyl methacrylate (HEMA), its addition is the 25%-35% of PVA-SbQ mass；Then water-soluble light is added to draw
Send out agent, shading salivation film forming on a glass after shading stirring 3-4h, to obtain PVA-SbQ/PHEMA compound by 40 DEG C of drying 15-18h
Film；(2) film that step (1) obtains is placed in exposure under ultraviolet lamp and obtains product.
The addition of the water-soluble light trigger is the 0.5%-1.5%, preferably 0.5%-1% of PVA-SbQ mass.Water
Soluble photoinitiator such as photoinitiator 2959.
The ultraviolet lamp lower time for exposure is 1-10min, preferably 8-10min in the step (2).
Beneficial effects of the present invention：The present invention is crosslinked based on the compound technology with salivation film forming of hydrogen bond with reference to ultraviolet lighting
Means, being made can be as the membrane material of severing machine worktable protection, and preparation process is simple, makes full use of ultraviolet irradiation skill
Art, low-carbon energy-saving, obtained protective film have good water resistance, grease resistance, chemically-resistant solvent, the performance such as wear-resisting, have compared with
Good mechanical strength, is affixed on severing machine worktable, and severing machine worktable can be protected from various extraneous infringements,
Extend its service life.
Brief description of the drawings
The reagentia mechanism figure of Fig. 1 PVA-SbQ and HEMA
SEM figures after Fig. 2 PVA-SbQ/PHEMA composite membrane ultraviolet lightings 8min
The tensile strength of Fig. 3 PVA-SbQ/PHEMA composite membranes and PVA/PHEMA composite membranes is under the different ultraviolet lighting times
Change
After Fig. 4 PVA-SbQ/PHEMA composite membrane ultraviolet lightings 8min, after PVA/PHEMA composite membrane ultraviolet lightings 8min with
And the contact angle result of the test of PVA film
After Fig. 5 PVA-SbQ/PHEMA composite membrane ultraviolet lightings 8min, after PVA/PHEMA composite membrane ultraviolet lightings 8min with
And the hygroscopicity test results of PVA film
Embodiment
The present invention is further described following with embodiment, but is not construed as limiting the scope of invention.
The preparation of 1 severing machine worktable protective film of embodiment
(1) 4gPVA-SbQ is dissolved in 96g water first, adds 1g hydroxyethyl methacrylates (HEMA), added water-soluble
Shading salivation film forming, 40 DEG C of drying 15h obtain PVA-SbQ/PHEMA on a glass after photoinitiator 0.02g, shading stirring 4h
Composite membrane；(2) film that step (1) obtains is placed in exposure 8min under ultraviolet lamp and obtains product.
The preparation of 2 severing machine worktable protective film of embodiment
(1) 2gPVA-SbQ is dissolved in 98g water first, adds 0.7g hydroxyethyl methacrylates (HEMA), added water-soluble
Property photoinitiator 0.01g, shading stirring 4h after on a glass shading salivation film forming, 40 DEG C drying 18h obtain PVA-SbQ/
PHEMA composite membranes；(2) film that step (1) obtains is placed in exposure 8min under ultraviolet lamp and obtains product.
The use of 3 severing machine worktable protective film of embodiment
Protective film made from embodiment 1 is pasted onto on severing machine worktable using glue.
Comparative example 1
PVA-SbQ in embodiment 1 is replaced with into PVA, other conditions are same as Example 1.
Comparative example 2
4gPVA is dissolved in 96g water salivation film forming on a glass, 40 DEG C of drying 15h obtain PVA film.It is protection below
The Performance of film.
There are interaction of hydrogen bond between PVA-SbQ and hydroxyethyl methacrylate (HEMA), therefore HEMA is inhaled with hydrogen bond
Attached form is wrapped on PVA-SbQ segments, is added photoinitiator, is carried out ultraviolet lighting to it, the double bond in one side HEMA
Polymerisation easily occurs, another aspect SbQ groups are double crosslinked multiple in UV light-induced lower generation dimerization cross-linking reaction, formation
Network structure is closed, as shown in Figure 1.
SEM after Fig. 2 is PVA-SbQ/PHEMA composite membrane ultraviolet lightings 8min schemes, it can be seen that surface and section are more
It is smooth homogeneous, show that membrane matrix compatibility is preferable.
Fig. 3 is the tensile strength of PVA-SbQ/PHEMA composite membranes and PVA/PHEMA composite membranes in the different ultraviolet lighting times
Under change, the increase of the results show ultraviolet lighting time, the tensile strength of protective film improves, this is because ultraviolet lighting into
OK, HEMA polymerisations and SbQ dimerization cross-linking reaction are constantly carrying out, and gradually form network structure and crosslinking is so that network structure
It is further close, cause mechanical strength to increase.
Fig. 4 is after PVA-SbQ/PHEMA composite membrane ultraviolet lightings 8min, after PVA/PHEMA composite membrane ultraviolet lightings 8min
And the contact angle result of the test of PVA film, it can be seen that the surface hydrophilicity of PVA film is very strong, but PVA-SbQ/PHEMA is compound
Film (after ultraviolet lighting 8min) surface shows stronger hydrophobicity, and hydrophobicity is better than PVA/PHEMA composite membrane (ultraviolet lightings
After 8min), this is because illumination crosslinking cause film surface hydrophilic radical to be not easy to expose, and PVA-SbQ/PHEMA systems compared to
PVA/PHEMA systems, dual crosslinking cause film surface hydrophilic radical to be more not easy to expose.
Fig. 5 is after PVA-SbQ/PHEMA composite membrane ultraviolet lightings 8min, after PVA/PHEMA composite membrane ultraviolet lightings 8min
And the hygroscopicity test results of PVA film, the results show PVA-SbQ/PHEMA composite membranes (after ultraviolet lighting 8min) compared to
PVA film and PVA/PHEMA composite membranes improve a lot (after ultraviolet lighting 8min).This is because dual crosslinking causes inside
Network structure is even closer, and hydrone is not easy to pass through, and shows as the raising of water resistance.
Claims (4)
- A kind of 1. preparation method of severing machine worktable protective film, it is characterised in that：Prepared by following steps：(1) match somebody with somebody first Put the aqueous solution for the PVA-SbQ that mass concentration is 2%-4%；Hydroxyethyl methacrylate (HEMA) is added, its addition is The 25%-35% of PVA-SbQ mass；Then water-soluble light trigger is added, shading stream on a glass after shading stirring 3-4h Saliva forms a film, and 40 DEG C of drying 15-18h obtain PVA-SbQ/PHEMA composite membranes；(2) film that step (1) obtains is placed under ultraviolet lamp Exposure obtains protective film product.
- 2. the preparation method of severing machine worktable protective film as claimed in claim 1, it is characterised in that：The water solubility light The addition of initiator is the 0.5%-1.5%, preferably 0.5%-1% of PVA-SbQ mass.
- 3. the preparation method of severing machine worktable protective film as claimed in claim 1, it is characterised in that：It is purple in step (2) The outer lamp lower time for exposure is 1-10min, preferably 8-10min.
- 4. the preparation method of severing machine worktable protective film as claimed in claim 1, it is characterised in that：By following steps system It is standby：(1) 4gPVA-SbQ is dissolved in 96g water first, adds 1g hydroxyethyl methacrylates (HEMA), added water-soluble light and draw Shading salivation forms a film on a glass after hair agent 0.02g, shading stirring 4h, and it is compound that 40 DEG C of drying 15h obtain PVA-SbQ/PHEMA Film；(2) film that step (1) obtains is placed in exposure 8min under ultraviolet lamp and obtains product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711272564.0A CN107987215B (en) | 2017-11-24 | 2017-11-24 | Preparation method of protective film for cutting machine workbench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711272564.0A CN107987215B (en) | 2017-11-24 | 2017-11-24 | Preparation method of protective film for cutting machine workbench |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107987215A true CN107987215A (en) | 2018-05-04 |
| CN107987215B CN107987215B (en) | 2020-01-07 |
Family
ID=62036159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711272564.0A Active CN107987215B (en) | 2017-11-24 | 2017-11-24 | Preparation method of protective film for cutting machine workbench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107987215B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103146004A (en) * | 2013-02-27 | 2013-06-12 | 江阴摩尔化工新材料有限公司 | Method for improving soybean protein isolate film water resistance through photo-crosslinking |
| CN104497330A (en) * | 2015-01-08 | 2015-04-08 | 江南大学 | Preparation method of photo-crosslinking polyvinyl alcohol/cellulose nanocrystal (PVA/CNC) composite film |
| US20160145402A1 (en) * | 2011-08-16 | 2016-05-26 | Shenzhen China Star Optoelectronics Technology Co, Ltd. | Base film of modified polyvinyl alcohol polymer |
-
2017
- 2017-11-24 CN CN201711272564.0A patent/CN107987215B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20160145402A1 (en) * | 2011-08-16 | 2016-05-26 | Shenzhen China Star Optoelectronics Technology Co, Ltd. | Base film of modified polyvinyl alcohol polymer |
| CN103146004A (en) * | 2013-02-27 | 2013-06-12 | 江阴摩尔化工新材料有限公司 | Method for improving soybean protein isolate film water resistance through photo-crosslinking |
| CN104497330A (en) * | 2015-01-08 | 2015-04-08 | 江南大学 | Preparation method of photo-crosslinking polyvinyl alcohol/cellulose nanocrystal (PVA/CNC) composite film |
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| Publication number | Publication date |
|---|---|
| CN107987215B (en) | 2020-01-07 |
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Effective date of registration: 20231226 Address after: Building 4 and Building 5 of Shengli Neighborhood Committee, Dagang Town, Yandu District, Yancheng City, Jiangsu Province, 224000 yuan Patentee after: Jinyao Sheng Automation Technology Jiangsu Co.,Ltd. Address before: 224043 Jiangsu province Yancheng City District Dagang Town Industrial Park Patentee before: JIANGSU XINYUCHUANG TECHNOLOGY Co.,Ltd. |
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