CN106633809A - Method for preparing alumina-based polishing synthetic paper - Google Patents
Method for preparing alumina-based polishing synthetic paper Download PDFInfo
- Publication number
- CN106633809A CN106633809A CN201610927200.0A CN201610927200A CN106633809A CN 106633809 A CN106633809 A CN 106633809A CN 201610927200 A CN201610927200 A CN 201610927200A CN 106633809 A CN106633809 A CN 106633809A
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- Prior art keywords
- polishing
- alumina
- synthetic paper
- release liners
- preparation
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Classifications
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
- C08L75/04—Polyurethanes
- C08L75/06—Polyurethanes from polyesters
-
- 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
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
- C08L75/04—Polyurethanes
- C08L75/08—Polyurethanes from polyethers
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09G—POLISHING COMPOSITIONS; SKI WAXES
- C09G1/00—Polishing compositions
- C09G1/02—Polishing compositions containing abrasives or grinding agents
-
- 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
- C08J2375/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
- C08J2375/04—Polyurethanes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/02—Applications for biomedical use
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/16—Applications used for films
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Paper (AREA)
- Laminated Bodies (AREA)
Abstract
The invention discloses a method for preparing alumina-based synthetic paper. The method comprises the following steps: taking alumina and polyurethane as main raw materials, and stirring and mixing an alumina powder and a prepared polyurethane solution under a certain conditions; performing subsequent curing treatment, and performing film-forming, so as to obtain the alumina-based synthetic paper. The production process of the polishing synthetic paper product disclosed by the invention is easy to master and simple and convenient in use process. Compared with polishing solution and polishing powder, the polishing paper disclosed by the invention can be directly applied to the surface of a polishing device; secondary pollution produced on the surface of the polishing device is avoided in the operating process, and the device does not need to be cleaned after polishing; moreover, the polishing paper can produce dual polishing effects to the device and has high polishing quality. The alumina particles in the polishing synthetic paper product can produce a mechanical polishing effect on the device surface, and holes, burrs and the like on the surface of the device can be effectively removed; the polyethylene wax component in the polishing synthetic paper can generate a polishing effect to the device in the polishing process.
Description
Technical field
The invention belongs to composite organic-inorganic material production technical field, and in particular to a kind of alumina-based polishing
The preparation method of synthetic paper.
Background technology
Polishing technology, refers to the effect using machinery, chemistry or electrochemistry, reduces workpiece surface roughness, to obtain
Light, the processing method of flat surface.At present, polishing technology has been widely used in the cold working of glass surface, flat board
The devices such as glass, cathode-ray tube, teleputer display, glass bulb, lens, optical glass, camera lens, jewel, crystal, ornament
The processing of part, application prospect is very wide.
Used material is polished on Vehicles Collected from Market and is mainly polishing fluid and polishing powder.Though they have epigranular, hard
Spend that moderate, cutting force is strong, polishing time is short, polishing high precision, long service life the advantages of, but there is also some shortcomings.Such as,
Acid polishing slurry corrosivity is larger, easily corrodes hardware；Alkalescence polishing liquid is volatile, pollution environment, harm
Health etc..In addition, polishing fluid and polishing powder are not easy in actual applications operation.Therefore, it is necessary to polishing material and
Its production technology is improved, and preferably could carry out modification processing to surface of the work, while reduce being produced to environment and human body
Harm.
The content of the invention
It is an object of the invention to provide a kind of preparation method of alumina-based polishing synthetic paper.
The technical scheme is that：
A kind of preparation method of alumina-based polishing synthetic paper, comprises the steps：
（1）Thermoplastic polyurethane particle and N-N- dimethylformamides or N-N- dimethyl acetamides are pressed into 23 ~ 32：110 matter
During amount is than adding reactor, it is heated to 50 ~ 80 DEG C and stirring makes thermoplastic polyurethane particle be substantially dissolved in solvent, is configured to
Polyurethane solutions；
（2）In step（1）In gained polyurethane solutions, alundum (Al2O3) powder, polyurethane solutions and aluminium oxide powder are added
The mass ratio at end is 133 ~ 142：25～50, and stirred using high speed agitator, solidliquid mixture is obtained, and stand 5 ~ 8h
Froth breaking；
（3）By step（2）Gained solidliquid mixture is spread evenly across in release liners, then release liners is immersed into aqueous polyethylene wax
In emulsion；After solidliquid mixture is fully cured film forming, release liners and film are put into the lump in drying box, 50～60 DEG C of dryings 1 ~
2h；
（4）Release liners are removed after release liners and film cooling, and film is cut into by appropriate size according to practical application request, obtained final product
To alumina-based polishing synthetic paper.
Further, step（4）The alumina-based polishing synthetic paper outward appearance of gained is white, by regulating step（3）
In coat the alumina-based polishing synthetic paper thickness of solidliquid mixture THICKNESS CONTROL in release liners in 0.12～0.25mm
Between, quality is between 4.41～6.43g in terms of A4 paper areas.
Further, the thermoplastic polyurethane material（TPU）Preferably polyether-type TPU, one kind of polyester-type TPU or two
Kind, it is desirable to shore hardness is the particulate material of 85A to 95A.
Further, step（1）In solvent be preferably in N-N- dimethylformamides, N-N- dimethyl acetamides one
Kind.
Further, step（2）Gained solidliquid mixture in, polyurethane, solvent, alundum (Al2O3) mass percent it is excellent
Choosing is as follows：Polyurethane 12.6%～17.1%, solvent 58.8%～68.8%, alundum (Al2O3) 15.6%～27.3%.
Further, step（2）In, the preferred fineness of alundum (Al2O3) is the powder of 325～2500 mesh.
Further, step（3）In, aqueous polyethylene wax emulsion mass percent is preferably 3 ~ 6%, more preferably 5%, temperature
Degree is preferably 20 ~ 35 DEG C, more preferably 25 DEG C.
It is of the invention with it is existing synthesis paper producing technology compared with, have the following advantages：
（1）The polishing synthetic paper product processes of the present invention are easy to control.Polishing synthetic paper production process is simple, and can pass through
Change the content and size of internal alundum (Al2O3) particle, adjust the polishing efficiency and quality of finish of synthetic paper.
（2）The use process of the polishing synthetic paper of the present invention is easy.Compared with polishing fluid, polishing powder, the throwing of the polishing paper
Photoreduction process is easy to operate, can directly using polishing paper polishing device surface；Operating process will not produce two to polishing device surface
Secondary pollution, without cleaning operation after device polishing.
（3）The polishing synthetic paper of the present invention can produce dual polishing action to device, and quality of finish is more excellent.Polishing synthetic paper
Alundum (Al2O3) particle in product can produce the polishing action of mechanical grinding, the sand on effective removal devices surface to device surface
Eye, burr etc.；Tissuemat E composition in polishing synthetic paper can produce glossiness-giving effect in polishing process to device.
Specific embodiment
Below by specific embodiment, the present invention is described in further detail, wherein, the raw material is industry
Change product, equipment is the production equipment of general industry.
Embodiment 1
The shore hardness for weighing 25 kilograms is the EU particle of 85A, the addition of 110 kilograms of N-N- dimethylformamides
In reactor, it is heated to 50 DEG C and stirring makes EU particle obtain polyurethane solutions after being completely dissolved；Add 25
Kilogram 325 mesh alundum (Al2O3) powder, be uniformly mixing to obtain solidliquid mixture with high speed agitator；After standing 6h froth breakings, will
Solidliquid mixture is coated in release liners with certain thickness, then by release liners immerse weight/mass percentage composition be 3% it is aqueous poly-
In ethene wax emulsion（Temperature is 25 DEG C）；After solidliquid mixture is fully cured film forming, release liners and film are put into the lump drying
In case, 50 DEG C of h of drying 1.It is by adjusting the gross thickness for coating the solidliquid mixture thickness in release liners to control film
0.12mm；Release liners are removed after release liners and film cooling, film appropriate size is cut into finally according to practical application request, i.e.,
Obtain alumina-based polishing synthesis paper product.
The weight/mass percentage composition of polyurethane material is 15.6%, N-N- dimethyl in gained solidliquid mixture in the present embodiment
The weight/mass percentage composition of formamide is 68.8%, and the weight/mass percentage composition of alundum (Al2O3) is 15.6%.Gained synthesis paper product face
Color is white, and thickness is 0.12mm, quality（In terms of A4 paper areas）For 4.41g.
Embodiment 2
The polyester-type that the shore hardness for weighing 16 kilograms is the EU particle of 90A, 16 kilograms of shore hardness is 90A
Polyurethane particles, 110 kilograms of N-N- dimethyl acetamides are added in reactor, be heated to 60 DEG C and stirring makes the poly- ammonia of thermoplastics type
Ester particle obtains polyurethane solutions after being completely dissolved；45 kilograms of 1000 mesh alundum (Al2O3) powder are added, high-speed stirred is used
Device is uniformly mixing to obtain solidliquid mixture；After standing 5h froth breakings, solidliquid mixture is coated in release liners with certain thickness,
Then it is in 4% aqueous polyethylene wax emulsion by release liners immersion weight/mass percentage composition（Temperature is 20 DEG C）；Treat solidliquid mixture
After being fully cured film forming, release liners and film are put into the lump in drying box, 54 DEG C of h of drying 1.Release liners are coated by adjusting
On solidliquid mixture thickness come control film gross thickness be 0.16mm；Release liners are removed after release liners and film cooling, finally
Film is cut into by appropriate size according to practical application request, that is, obtains alumina-based polishing synthesis paper product.
The weight/mass percentage composition of polyurethane material is 17.1%, N-N- dimethyl in gained solidliquid mixture in the present embodiment
The weight/mass percentage composition of acetamide is 58.8%, and the weight/mass percentage composition of alundum (Al2O3) is 24.1%.Gained synthesis paper product face
Color is white, and thickness is 0.16mm, quality（In terms of A4 paper areas）For 5.24g.
Embodiment 3
The polyester-type that the shore hardness for weighing 17 kilograms is the EU particle of 92A, 9 kilograms of shore hardness is 92A
Polyurethane particles, 110 kilograms of N-N- dimethylformamides are added in reactor, be heated to 70 DEG C and stirring makes the poly- ammonia of thermoplastics type
Ester particle obtains polyurethane solutions after being completely dissolved；42 kilograms of 2000 mesh alundum (Al2O3) powder are added, high-speed stirred is used
Device is uniformly mixing to obtain solidliquid mixture；After standing 7h froth breakings, solidliquid mixture is coated in release liners with certain thickness,
Then it is in 5% aqueous polyethylene wax emulsion by release liners immersion weight/mass percentage composition（Temperature is 30 DEG C）；Treat solidliquid mixture
After being fully cured film forming, release liners and film are put into the lump in drying box, 57 DEG C are dried 2h.Coated in release liners by adjusting
Solidliquid mixture thickness controlling gross thickness 0.22mm of film；Release liners are removed after release liners and film cooling, finally according to
Film is cut into appropriate size by practical application request, that is, obtain alumina-based polishing synthesis paper product.
The weight/mass percentage composition of polyurethane material is 14.6%, N-N- dimethyl in gained solidliquid mixture in the present embodiment
The weight/mass percentage composition of formamide is 61.8%, and the weight/mass percentage composition of alundum (Al2O3) is 23.6%.Gained synthesis paper product face
Color is white, and thickness is 0.22mm, quality（In terms of A4 paper areas）For 5.91g.
Embodiment 4
The shore hardness for weighing 23 kilograms is the PAUR particle of 95A, the addition of 110 kilograms of N-N- dimethyl acetamides
In reactor, it is heated to 80 DEG C and stirring makes PAUR particle obtain polyurethane solutions after being completely dissolved；Add 50
Kilogram 2500 mesh alundum (Al2O3) powder, be uniformly mixing to obtain solidliquid mixture with high speed agitator；After standing 8h froth breakings, will
Solidliquid mixture is coated in release liners with certain thickness, then by release liners immerse weight/mass percentage composition be 6% it is aqueous poly-
In ethene wax emulsion（Temperature is 35 DEG C）；After solidliquid mixture is fully cured film forming, release liners and film are put into the lump drying
In case, 60 DEG C of h of drying 1.5.It is by adjusting the gross thickness for coating the solidliquid mixture thickness in release liners to control film
0.25mm；Release liners are removed after release liners and film cooling, film appropriate size is cut into finally according to practical application request, i.e.,
Obtain alumina-based polishing synthesis paper product.
The weight/mass percentage composition of polyurethane material is 12.6%, N-N- dimethyl in gained solidliquid mixture in the present embodiment
The weight/mass percentage composition of acetamide is 60.1%, and the weight/mass percentage composition of alundum (Al2O3) is 27.3%.Gained synthesis paper product face
Color is white, and thickness is 0.25mm, quality（In terms of A4 paper areas）For 6.43g.
Claims (7)
1. it is a kind of it is alumina-based polishing synthetic paper preparation method, it is characterised in that comprise the steps：
（1）Thermoplastic polyurethane particle and N-N- dimethylformamides or N-N- dimethyl acetamides are pressed into 23～32：110 matter
During amount is than adding reactor, it is heated to 50 ~ 80 DEG C and stirring makes thermoplastic polyurethane particle be substantially dissolved in solvent, is configured to
Polyurethane solutions；
（2）In step（1）In gained polyurethane solutions, alundum (Al2O3) powder, polyurethane solutions and aluminium oxide powder are added
The mass ratio at end is 133 ~ 142：25～50, stir, solidliquid mixture is obtained, and stand 5 ~ 8h froth breakings；
（3）By step（2）Gained solidliquid mixture is spread evenly across in release liners, then release liners is immersed into aqueous polyethylene wax
In emulsion；After solidliquid mixture is fully cured film forming, release liners and film are put into the lump in drying box, 50～60 DEG C of dryings 1 ~
2h；
（4）Release liners are removed after release liners and film cooling, and film is cut into by appropriate size according to practical application request, obtained final product
To alumina-based polishing synthetic paper.
2. the preparation method of alumina-based synthetic paper according to claim 1, it is characterised in that step（4）Gained
Alumina-based polishing synthetic paper outward appearance is white, by regulating step（3）In coat solidliquid mixture in release liners
THICKNESS CONTROL it is alumina-based polishing synthetic paper thickness between 0.12～0.25mm, in terms of A4 paper areas quality between
Between 4.41～6.43g.
3. the preparation method of alumina-based synthetic paper according to claim 1, it is characterised in that the thermoplastics type gathers
Urethane material be polyether-type TPU, polyester-type TPU one or two, it is desirable to shore hardness for 85A to 95A particulate material.
4. the preparation method of alumina-based synthetic paper according to claim 1, it is characterised in that step（1）In
Solvent is the one kind in N-N- dimethylformamides, N-N- dimethyl acetamides.
5. the preparation method of alumina-based synthetic paper according to claim 1, it is characterised in that step（2）Gained
In solidliquid mixture, polyurethane, solvent, the mass percent of alundum (Al2O3) are：Polyurethane 12.6%～17.1%, solvent
58.8%～68.8%, alundum (Al2O3) 15.6%～27.3%.
6. the preparation method of alumina-based synthetic paper according to claim 1, it is characterised in that step（2）In, three
Al 2 O is the powder of the mesh of fineness 325～2500.
7. the preparation method of alumina-based synthetic paper according to claim 1, it is characterised in that step（3）In, water
Property polythene wax emulsion mass percent be 3 ~ 6%, temperature is 20 ~ 35 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610927200.0A CN106633809A (en) | 2016-10-31 | 2016-10-31 | Method for preparing alumina-based polishing synthetic paper |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610927200.0A CN106633809A (en) | 2016-10-31 | 2016-10-31 | Method for preparing alumina-based polishing synthetic paper |
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| CN106633809A true CN106633809A (en) | 2017-05-10 |
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Family Applications (1)
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| CN201610927200.0A Pending CN106633809A (en) | 2016-10-31 | 2016-10-31 | Method for preparing alumina-based polishing synthetic paper |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006026315A1 (en) * | 2004-08-25 | 2006-03-09 | J.H. Rhodes, Inc. | A stacked polyuretahane polishing pad |
| CN1858135A (en) * | 2006-05-29 | 2006-11-08 | 李岳 | Elastic polishing particles |
| CN101831167A (en) * | 2010-05-28 | 2010-09-15 | 湖南科技大学 | Method for preparing polyurethane-based stone paper |
| CN102492282A (en) * | 2011-11-30 | 2012-06-13 | 湖南科技大学 | Method for preparing quick-drying type synthetic paper |
| CN102604030A (en) * | 2012-03-08 | 2012-07-25 | 湖南科技大学 | Preparation method for soft porous synthetic paper |
| CN102816467A (en) * | 2012-08-23 | 2012-12-12 | 浙江池河科技有限公司 | Release paint for artificial leather and release paper prepared by utilizing release paint |
| CN104448790A (en) * | 2014-12-16 | 2015-03-25 | 湖南科技大学 | Method for preparing high fixing-ink type synthetic paper |
| BR102012032157A2 (en) * | 2012-12-17 | 2015-07-07 | Ct De Tecnologia Mineral Cetem | Process for obtaining composite material consisting of polymers of plant origin, mineral filler and abrasive material and use of the composition obtained for polishing rocks |
-
2016
- 2016-10-31 CN CN201610927200.0A patent/CN106633809A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006026315A1 (en) * | 2004-08-25 | 2006-03-09 | J.H. Rhodes, Inc. | A stacked polyuretahane polishing pad |
| CN1858135A (en) * | 2006-05-29 | 2006-11-08 | 李岳 | Elastic polishing particles |
| CN101831167A (en) * | 2010-05-28 | 2010-09-15 | 湖南科技大学 | Method for preparing polyurethane-based stone paper |
| CN102492282A (en) * | 2011-11-30 | 2012-06-13 | 湖南科技大学 | Method for preparing quick-drying type synthetic paper |
| CN102604030A (en) * | 2012-03-08 | 2012-07-25 | 湖南科技大学 | Preparation method for soft porous synthetic paper |
| CN102816467A (en) * | 2012-08-23 | 2012-12-12 | 浙江池河科技有限公司 | Release paint for artificial leather and release paper prepared by utilizing release paint |
| BR102012032157A2 (en) * | 2012-12-17 | 2015-07-07 | Ct De Tecnologia Mineral Cetem | Process for obtaining composite material consisting of polymers of plant origin, mineral filler and abrasive material and use of the composition obtained for polishing rocks |
| CN104448790A (en) * | 2014-12-16 | 2015-03-25 | 湖南科技大学 | Method for preparing high fixing-ink type synthetic paper |
Non-Patent Citations (1)
| Title |
|---|
| 耿星主编: "《现代水性涂料助剂手册》", 30 June 2007, 中国石化出版社 * |
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