CN106473326A - Lauxite button and preparation method thereof - Google Patents
Lauxite button and preparation method thereof Download PDFInfo
- Publication number
- CN106473326A CN106473326A CN201610905521.0A CN201610905521A CN106473326A CN 106473326 A CN106473326 A CN 106473326A CN 201610905521 A CN201610905521 A CN 201610905521A CN 106473326 A CN106473326 A CN 106473326A
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- Prior art keywords
- button
- lauxite
- preparation
- cut
- handle
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Classifications
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- A—HUMAN NECESSITIES
- A44—HABERDASHERY; JEWELLERY
- A44B—BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
- A44B1/00—Buttons
- A44B1/02—Buttons characterised by their material
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G12/00—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
- C08G12/02—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes
- C08G12/40—Chemically modified polycondensates
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L61/00—Compositions of condensation polymers of aldehydes or ketones; Compositions of derivatives of such polymers
- C08L61/20—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
- C08L61/32—Modified amine-aldehyde condensates
-
- 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
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Dry Formation Of Fiberboard And The Like (AREA)
Abstract
The invention belongs to button field, particularly Lauxite button and preparation method thereof.The Lauxite button includes：36 45wt% of Lauxite, 50 64wt% of resin glue, 0.1 1wt% of pigment liquid and 1 3wt% of mica powder.Present invention process is simple, strong operability, cost of labor are low, the button surface flawless of preparation, breach, uneven and obvious cut, decorative pattern nothing substantially deforms, nothing phenomenons such as the supercilious look, white circle, bright and clean unobstructed, the die cavity flat smooth of buttonhole, rub resistance, color fastness, shape are uniform.It is permanently good that the button of the present invention has an appearance color, and glossiness and button pattern controllability are strong, and button has smooth texture, can be used for high-grade dress ornament.
Description
Technical field
The invention belongs to button field, particularly Lauxite button and preparation method thereof.
Background technology
Lauxite, also known as urea formaldehyde resin, is urea with formaldehyde under catalyst, curing agent or promoter effect, is formed not
Molten, insoluble thermosetting resin.Lauxite color after solidification is more shallow than phenolic resin, and be translucent shape, weak acid resistant, weak base,
Good insulation preformance, wearability are splendid, low price, are the maximum kinds of consumption in adhesive.Particularly in wood processing field
In the manufacture of middle wood-based plate, Lauxite and its modified product account for the 90% or so of the total consumption of adhesive.Lauxite has into
This is cheap, of light color, and hardness is high, oil resistant, anti-mildew, has preferable insulating properties and a temperature tolerance, but weatherability and resistance to water poor, because
This, which is simultaneously suitable for making the button based article for having high demands washing performance.
Prior art button manufacture craft will make button table using coating process by spray-applied primer on the blank of semi-finished product again
Face forms predetermined pattern, such as wants that obtaining button beautiful in colour needs to prepare prime coat and top coat layer respectively in the process
The fuel of different luminosity, can be only achieved button surface diversity, the method increase the complexity of button manufacture craft, increase
Cost of labor.
Content of the invention
For solving the deficiencies in the prior art, the invention provides a kind of Lauxite button, the button has appearance color
Permanently good, glossiness, pattern controllability are strong, and button has smooth texture, can be used for high-grade dress ornament etc..Above-mentioned for reaching
Purpose, the present invention are adopted the following technical scheme that：A kind of Lauxite button, including Lauxite 36-45wt%, resin glue 50-
64wt%, pigment liquid 0.1-1wt% and mica powder 1-3wt%.
Preferably, the Lauxite includes formaldehyde 50-60wt%, urea 25-35wt% and paper pulp 10-15wt%.
Further, the resin glue includes：Formaldehyde 40-60wt%, urea 20-30wt%, glucose 15-25wt%,
Aminoguanidine dihydrochloride 3-5wt%, ammoniacal liquor 1-5wt% and starch 1-2wt%.
Another object of the present invention is to protect the preparation method of above-mentioned Lauxite button, comprises the following steps:
Batching step, prepares resin glue and pigment liquid, adds resin glue, pigment liquid and mica powder, stir in Lauxite
Mix；
Extrusion step, the material being stirred is extruded with extruder, is cut into the material with sheet and sequentially passes through the vertical work of group after extrusion
Sequence and matched moulds operation obtain first handle；
Cut-out step, first handle is put into extruder, sets shearing thickness, first handle is cut into button base；
Drying steps, button base is dry in baking oven, after drying process twice, standby；
Forming step, suppresses button with hydraulic press by base is detained；
Off-clip step, the button after shaping remove flaw-piece in rotary drum；
Perforating step, using sand-blasting machine or cutting bed perforating on button；
Water mill step, in centrifugal polishing machine, adds water, grounds travel, grinding stone to be ground button surface, obtains
Lauxite button.
Above-mentioned manufacture craft also includes polishing step, using bamboo grain wooden unit and abrasive pastes in rotary drum, tumbling,
To button again glazing.
Further, in above-mentioned batching step, described resin glue compound method is：By urea, formaldehyde, ammoniacal liquor, grape
Sugar and starch stirs 2h in 70-80 DEG C, obtains the liquid with adhesive effect.
Further, in the extrusion step, group is found operation and is specially：According to the order of the prefabricated style of button, will from squeeze
The strap for going out machine extrusion is put in the symmetrical tire box of button successively；The matched moulds operation is specially：By tire box symmetrical for button
Pairing, with the upper and lower combined pressure of forcing press, makes the material in tire box form first handle, this yuan of handle placement is carried out for 1-3 days awake ripe.
Further, in the cut-out step, installing port gold at outlet of extruder, rotation is set in mouth gold outlet section and is flown
The cylindric material that extrudes is cut into the button base of predetermined thickness for knife, the fly cutter of high-speed rotation.
Further, in the drying steps, first time drying process is dry 18 hours at temperature 45-60 DEG C；Second
Secondary drying process is dry 24 hours at temperature 30-100 DEG C.
Further, in the forming step, button sequentially pass through in hydraulic forming machine preheating, first pressing, exhaust, in
Pressure, exhaust, high pressure, pressurize, carry out 140-152 DEG C of high temperature compacting.
Present invention has the advantages that：Present invention process is simple, strong operability, cost of labor are low, the button surface nothing of preparation
Crackle, breach, uneven and obvious cut, decorative pattern nothing substantially deforms, nothing phenomenons such as the supercilious look, white circle, the bright and clean unobstructed, type of buttonhole
Chamber flat smooth, rub resistance, color fastness, shape are uniform.It is permanently good that the button of the present invention has an appearance color, glossiness and knob
Button pattern controllability is strong, and button has smooth texture, can be used for high-grade dress ornament.
Description of the drawings
The various sizes of Lauxite button that Fig. 1 is prepared for the present invention；
The Lauxite button of the different pattern that Fig. 2 is prepared for the present invention.
Specific embodiment
Below by embodiment, present invention technical scheme to be protected is described in detail, but is limited never in any form
The present invention processed.In following embodiments if no special instructions, the experimental technique for being adopted is conventional method, material therefor, reagent
Can buy from commercial channel Deng all.
Lauxite can be prepared using any one method well known in the art, used as preferably using following methods preparations：
Formaldehyde 50-60wt%, urea 25-35wt% and paper pulp 10-15wt% are mixed in kneader and react under the conditions of 85-97 DEG C
It is dried, dried Lauxite can grind to form 80 mesh, standby.In paper pulp, main component is string, in synthesis urea
In urea formaldehyde course of reaction, fiber substance is added to aldehyde and is generated in intermediate product hydroxycarbamide with urea, is mutually tied each other
Close, the excellent Lauxite of forming properties.It is furthermore preferred that formaldehyde 55wt%, urea 30wt% and paper pulp 15wt%.
Embodiment 1
1st, dispensing：Lauxite 44wt%, resin glue 53wt%, mica powder 2wt%, pigment liquid 1wt%.
Prepare resin glue：By formaldehyde 50wt%, urea 23wt%, glucose 20wt%, aminoguanidine dihydrochloride 3.5wt%, ammoniacal liquor
2wt% and starch 1.5wt% mixing, is heated up to 80 DEG C of stirring 2h, obtains the liquid with adhesive effect.
Prepare pigment liquid：By the pre-provisioning request of button decorative pattern, the pigment of different colours is prepared using this area conventional method
Liquid.
Resin glue, pigment liquid and mica powder uniform stirring are added in Lauxite, add mica powder improve ureaformaldehyde
The mechanical performance of resin button, prevents cracking.
2nd, extrude
The material being stirred in step 1 is loaded in extruder, extrusion section configuration, material are set according to predetermined button pattern
The material with sheet from after extruder extrusion in predetermined section configuration, is cut into specific length, standby.The button of different pattern
In its button tire box, the order of putting with sheet material is different, according to the order of the prefabricated style of button, will squeeze from extruder
The material with sheet for going out is put in button tire box successively, and button tire box is in semi-cylindrical, by button tire box placement force machine
And a tire box symmetrical therewith, the upper and lower combined pressure of forcing press, formation circle after symmetrical tire box matched moulds is placed above button tire box
Post, the material in tire box also form columned unit's handle, the placement of first handle are carried out for 1-3 days awake ripe till cut-out section is suitable for.
3rd, cut off
First handle is put in extruder, the button thickness according to needed for client sets shearing thickness, and first handle is cut into button base；
Installing port gold at outlet of extruder, arranges rotating fly-bar in mouth gold outlet section, the cylindric material that the fly cutter of high-speed rotation will be extruded
Cut into the button base of predetermined thickness.Drop on a moving belt after button base cut-out and air-dried, be directed into and dry in Dropbox.
4th, dry
Button base is dry in baking oven, is dry for the first time and dries 18 hours at 45-60 DEG C, second drying process is in temperature
Degree 30-100 DEG C at dry 24 hours, or with first time drying process identical at a temperature of dry 24 hours.Through first
Button base after secondary drying process is processed can be deposited more than 3 months, during storage, can need at any time by first according to processing
Secondary dried button base take out carry out redrying, else if directly dry twice button base due to production etc. reason cause
Can not be molded in time, finally cure button base, cause a large amount of wastes.
5th, it is molded
Need to select button mould of different shapes according to client, mould is positioned in hydraulic forming machine, through high temperature
High pressure suppresses button.140-152 DEG C of hydraulic forming machine design temperature, hydraulic forming machine sequentially pass through within 200s preheating,
First pressing, exhaust, middle pressure, exhaust, high pressure, pressurize, wherein, the pressure of first pressing is 5Kg/cm2, middle pressure 15-35Kg/cm2, high pressure
200Kg/cm2, after terminating through pressurize, button semi-finished product are obtained.
6th, off-clip
With attachments such as flaw-pieces on button after shaping, it is allowed to remove using rotary drum.
7th, perforating
Using sand-blasting machine or cutting bed perforating on button；The method of sand-blasting machine perforating is：Pass through high pressure gas with sand-blasting machine
Body, sprays Cortex walnut sand, and when will be molded, the film for remaining in button hole intraocular is punched, and beats clean.The operation can also adopt from
The heart is thrown the method that gets rid of and is realized.
Cutting bed perforating：For without the perforating nothing eyelet button during eyelet pillar on mould, cutting bed using button
Wolfram steel stylus printer eye with high-speed rotation.
8th, water mill
To in centrifugal polishing machine, add water, grounds travel, grinding stone that button surface is ground, grind off button mould
Matched moulds remaining trace, while can also grind off the gloss of molded surface, obtains Lauxite button.
9th, glazing
According to needs of the client to button gloss, using bamboo grain wooden unit and abrasive pastes in rotary drum, tumbling, right
Button glazing again.
Embodiment 2
In the present embodiment, each raw material components of Lauxite are：Lauxite 36wt%, resin glue 60.9wt%, pigment liquid
0.1wt% and 3wt% mica powder.
1st, dispensing
Prepare resin glue：By formaldehyde 40wt%, urea 28wt%, glucose 20wt%, aminoguanidine dihydrochloride 5wt%, ammoniacal liquor 5wt%
Mix with starch 2wt%, 80 DEG C of stirring 2h are heated up to, obtain the liquid with adhesive effect.
Prepare pigment liquid：By the pre-provisioning request of button decorative pattern, the pigment liquid of different colours is prepared.
Resin glue, pigment liquid and mica powder are added in Lauxite, raw material is stirred.
2nd, extrude
The material being stirred in step 1 is loaded in extruder, extrusion section configuration, material are set according to predetermined button pattern
The material with sheet from after extruder extrusion in predetermined section configuration, is cut into specific length, standby.To extrude from extruder
The material with sheet put in button tire box successively, the upper and lower combined pressure of forcing press, after symmetrical tire box matched moulds formed cylinder, tire box
Interior material also forms columned unit's handle, the placement of first handle is carried out for 1-3 days awake ripe till cut-out section is suitable for.
3rd, cut off
First handle is put in extruder, the button thickness according to needed for client sets shearing thickness, and first handle is cut into button base；
Installing port gold at outlet of extruder, arranges rotating fly-bar in mouth gold outlet section, the cylindric material that the fly cutter of high-speed rotation will be extruded
Cut into the button base of predetermined thickness.Drop on a moving belt after button base cut-out and air-dried, be directed into and dry in Dropbox.
4th, dry
Button base is dry in baking oven, is dry for the first time and dries 18 hours at 60 DEG C, second drying process is in temperature
At 100 DEG C dry 24 hours, or with first time drying process identical at a temperature of dry 24 hours.
5th, it is molded
Need to select button mould of different shapes according to client, mould is positioned in hydraulic forming machine, shaped by fluid pressure
152 DEG C of machine design temperature, hydraulic forming machine sequentially pass through preheating, first pressing, exhaust, middle pressure, exhaust, high pressure, guarantor within 200s
Pressure, wherein, the pressure of first pressing is 5Kg/cm2, middle pressure 15-35Kg/cm2, high pressure 200Kg/cm2, after terminating through pressurize, knob is obtained
Button semi-finished product.
6th, off-clip
With attachments such as flaw-pieces on button after shaping, it is allowed to remove using rotary drum.
7th, perforating
The method of sand-blasting machine perforating is：Pass through gases at high pressure with sand-blasting machine, Cortex walnut sand is sprayed, when will be molded, is remained in
The film of button hole intraocular is punched, and is beaten clean.
8th, water mill
To in centrifugal polishing machine, add water, grounds travel, grinding stone that button surface is ground, grind off button mould
Matched moulds remaining trace, while can also grind off the gloss of molded surface, obtains Lauxite button.
Embodiment 3
In the present embodiment, each raw material components of Lauxite are：Lauxite 45wt%, resin glue 53wt%, pigment liquid
1wt% and mica powder 1wt%.
1st, dispensing
Prepare resin glue：By formaldehyde 50wt%, urea 20wt%, glucose 25wt%, aminoguanidine dihydrochloride 3wt%, ammoniacal liquor 1wt%
Mix with starch 1wt%, 80 DEG C of stirring 2h are heated up to, obtain the liquid with adhesive effect.
Prepare pigment liquid：By the pre-provisioning request of button decorative pattern, the pigment liquid of different colours is prepared.
The stirring of resin glue, pigment liquid and mica powder is added in Lauxite；Add mica powder improve Lauxite
The mechanical performance of button, prevents cracking.
2nd, extrude
The material being stirred in step 1 is loaded in extruder, extrusion section configuration, material are set according to predetermined button pattern
The material with sheet from after extruder extrusion in predetermined section configuration, is cut into specific length, standby.To extrude from extruder
The material with sheet put in button tire box successively, the upper and lower combined pressure of forcing press, after symmetrical tire box matched moulds formed cylinder, tire box
Interior material also forms columned unit's handle, the placement of first handle is carried out for 1-3 days awake ripe till cut-out section is suitable for.
3rd, cut off
First handle is put in extruder, the button thickness according to needed for client sets shearing thickness, and first handle is cut into button base；
Installing port gold at outlet of extruder, arranges rotating fly-bar in mouth gold outlet section, the cylindric material that the fly cutter of high-speed rotation will be extruded
Cut into the button base of predetermined thickness.Drop on a moving belt after button base cut-out and air-dried, be directed into and dry in Dropbox.
4th, dry
Button base is dry in baking oven, is dry for the first time and dries 18 hours at 45 DEG C, second drying process is in temperature
At 45 DEG C dry 24 hours, or with first time drying process identical at a temperature of dry 24 hours.
5th, it is molded
Mould is positioned in hydraulic forming machine, 140 DEG C of hydraulic forming machine design temperature, hydraulic forming machine is within 200s
Preheating, first pressing, exhaust, middle pressure, exhaust, high pressure, pressurize is sequentially passed through, wherein, the pressure of first pressing is 5Kg/cm2, middle pressure 15-
35Kg/cm2, high pressure 200Kg/cm2, after terminating through pressurize, button semi-finished product are obtained.
6th, off-clip
With attachments such as flaw-pieces on button after shaping, it is allowed to remove using rotary drum.
7th, perforating
The method of sand-blasting machine perforating is：Pass through gases at high pressure with sand-blasting machine, Cortex walnut sand is sprayed, when will be molded, is remained in
The film of button hole intraocular is punched, and is beaten clean.
8th, water mill
To in centrifugal polishing machine, add water, grounds travel, grinding stone that button surface is ground, grind off button mould
Matched moulds remaining trace, while can also grind off the gloss of molded surface, obtains Lauxite button.
9th, glazing
According to needs of the client to button gloss, using bamboo grain wooden unit and abrasive pastes in rotary drum, tumbling, right
Button glazing again.
15mm stock size button is prepared according to 1～3 method of embodiment carries out button performance test for detection object, implements
Example gained casein button has suitable toughness, and stretching is not ruptured.Performance detection data is as shown in Table 1 and Table 2.
Table 1：Pull test units/kg f
Table 2：Impact test units/kg f
The above, the only present invention preferably specific embodiment, but protection scope of the present invention is not limited thereto,
Any those familiar with the art in the technical scope of present disclosure, technology according to the present invention scheme and its
Inventive concept equivalent or change in addition, should all be included within the scope of the present invention.
Claims (10)
1. a kind of Lauxite button, it is characterised in that including Lauxite 36-45wt%, resin glue 50-64wt%, pigment
Liquid 0.1-1wt% and mica powder 1-3wt%.
2. Lauxite button according to claim 1, it is characterised in that the Lauxite includes formaldehyde 50-
60wt%, urea 25-35wt% and paper pulp 10-15wt%.
3. Lauxite button according to claim 1, it is characterised in that the resin glue includes：Formaldehyde 40-
60wt%, urea 20-30wt%, glucose 15-25wt%, aminoguanidine dihydrochloride 3-5wt%, ammoniacal liquor 1-5wt% and starch 1-2wt%.
4. a kind of preparation method of Lauxite button as claimed in claim 1, it is characterised in that comprise the following steps:
Batching step, prepares resin glue and pigment liquid, adds resin glue, pigment liquid and mica powder, stirring in Lauxite；
Extrusion step, by the material being stirred with extruder extrude, be cut into after extrusion the material with sheet sequentially pass through group stand operation and
Matched moulds operation obtains first handle；
Cut-out step, first handle is put into extruder, sets shearing thickness, first handle is cut into button base；
Drying steps, button base is dry in baking oven, after drying process twice, standby；
Forming step, suppresses button with hydraulic press by base is detained；
Off-clip step, the button after shaping remove flaw-piece in rotary drum；
Perforating step, using sand-blasting machine or cutting bed perforating on button；
Water mill step, in centrifugal polishing machine plus as water, grounds travel, grinding stone are ground to button surface, obtains ureaformaldehyde
Resin button.
5. the preparation method of Lauxite button according to claim 4, it is characterised in that also include polishing step, make
With bamboo grain wooden unit and abrasive pastes in rotary drum, tumbling, to button again glazing.
6. the preparation method of Lauxite according to claim 4, it is characterised in that in batching step, described resin
Glue compound method is：Urea, formaldehyde, ammoniacal liquor, grape sugar and starch are stirred 2h in 70-80 DEG C, is obtained with adhesive effect
Liquid.
7. the preparation method of Lauxite according to claim 4, it is characterised in that in the extrusion step, group found work
Sequence is specially：According to the order of the prefabricated style of button, the strap that extrudes from extruder is put to the symmetrical tire box of button successively
In；The matched moulds operation is specially：By tire box pairing symmetrical for button, with the upper and lower combined pressure of forcing press, formed the material in tire box
First handle, this yuan of handle placement is carried out for 1-3 days awake ripe.
8. the preparation method of Lauxite according to claim 4, it is characterised in that in the cut-out step, extruder
Exit installing port gold, arranges rotating fly-bar in mouth gold outlet section, and the cylindric material that extrudes is cut into by the fly cutter of high-speed rotation
The button base of predetermined thickness.
9. the preparation method of Lauxite according to claim 4, it is characterised in that in the drying steps, for the first time
Drying process is dry 18 hours at temperature 45-60 DEG C；Second drying process is dry 24 hours at temperature 30-100 DEG C.
10. the preparation method of Lauxite according to claim 4, it is characterised in that in the forming step, button exists
Preheating, first pressing, exhaust, middle pressure, exhaust, high pressure, pressurize is sequentially passed through in hydraulic forming machine, carries out 140-152 DEG C of high temperature compacting.
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| CN201610905521.0A CN106473326B (en) | 2016-10-18 | 2016-10-18 | Lauxite button and preparation method thereof |
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| CN107549934A (en) * | 2017-08-22 | 2018-01-09 | 广东企立昌大科技有限公司 | Environmentally friendly button and preparation method thereof |
| CN108244770A (en) * | 2017-12-07 | 2018-07-06 | 岳西县海创饰品有限公司 | A kind of Environment-friendlywear-resistant wear-resistant resin button and preparation method thereof |
| CN108294411A (en) * | 2018-03-23 | 2018-07-20 | 嘉善奇美服饰辅料厂 | A kind of environmentally protective button and preparation method thereof |
| CN110623372A (en) * | 2019-10-11 | 2019-12-31 | 广东企立昌大科技有限公司 | Environment-friendly button and preparation method thereof |
| CN110643144A (en) * | 2019-11-11 | 2020-01-03 | 浙江伟星实业发展股份有限公司 | Urea button and preparation method thereof |
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| CN110623372A (en) * | 2019-10-11 | 2019-12-31 | 广东企立昌大科技有限公司 | Environment-friendly button and preparation method thereof |
| CN110623372B (en) * | 2019-10-11 | 2022-04-12 | 广东企立昌大科技有限公司 | Environment-friendly button and preparation method thereof |
| CN110643144A (en) * | 2019-11-11 | 2020-01-03 | 浙江伟星实业发展股份有限公司 | Urea button and preparation method thereof |
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