CN106473326B - Lauxite button and preparation method thereof - Google Patents
Lauxite button and preparation method thereof Download PDFInfo
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- CN106473326B CN106473326B CN201610905521.0A CN201610905521A CN106473326B CN 106473326 B CN106473326 B CN 106473326B CN 201610905521 A CN201610905521 A CN 201610905521A CN 106473326 B CN106473326 B CN 106473326B
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- lauxite
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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 fields, especially Lauxite button and preparation method thereof.The Lauxite button includes: Lauxite 36-45wt%, resin glue 50-64wt%, pigment liquid 0.1-1wt% and mica powder 1-3wt%.Present invention process is simple, strong operability, cost of labor are low, the button surface flawless of preparation, notch, uneven and obvious scratch, decorative pattern has no obvious deformation, without the supercilious look, white circle phenomena such as, buttonhole it is bright and clean it is unobstructed, type chamber is flat and smooth, rub resistance, color fastness, shape are uniform.Button of the invention has appearance color permanently good, 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 fields, especially Lauxite button and preparation method thereof.
Background technique
Lauxite is also known as urea formaldehyde resin, is urea and 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 is splendid, cheap, is the maximum kind of dosage in adhesive.Especially in wood processing field
In the manufacture of middle wood-based plate, Lauxite and its modified product account for 90% or so of the total dosage of adhesive.Lauxite have at
This is cheap, of light color, and hardness is high, and oil resistant, anti-mildew has preferable insulating properties and temperature tolerance, but weatherability and water resistance are poor, because
This, and suitable for production to the demanding button based article of washing performance.
Prior art button manufacture craft will use again coating process to make button table by spray-applied primer on the blank of semi-finished product
Face forms scheduled 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, and the method increase the complexities of button manufacture craft, increase
Cost of labor.
Summary of the invention
To solve the deficiencies in the prior art, the present invention provides a kind of Lauxite button, which has appearance color
Permanent good, glossiness, pattern controllability are strong, and button has smooth texture, can be used for high-grade dress ornament etc..It is above-mentioned to reach
Purpose, the present invention adopts the following technical scheme: 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%, ammonium hydroxide 1-5wt% and starch 1-2wt%.
Another object of the present invention is to protect the preparation method of above-mentioned Lauxite button, comprising the following steps:
Batching step prepares resin glue and pigment liquid, and resin glue, pigment liquid and mica powder are added into Lauxite, stirs
It mixes；
Extrusion step, the material being stirred is squeezed out with extruder, and the material with sheet is cut into after extrusion successively by the vertical work of group
Sequence and molding process obtain first handle；
Step is cut off, first handle is put into extruder, shearing thickness is set, first handle is cut into button base；
Drying steps, button base is dry in baking oven, it is spare after drying process twice；
Forming step suppresses button for base is detained with hydraulic press；
Off-clip step, button after molding remove flaw-piece in rotating cylinder；
Perforating step uses sand-blasting machine or cutting bed perforating on button；
Water mill step is added water, grounds travel, grinding stone into centrifugal polishing machine and grinds to button surface, obtains
Lauxite button.
Above-mentioned manufacture craft further includes polishing step, using bamboo grain wooden unit and abrasive pastes in rotating cylinder, tumbling,
To button again glazing.
Further, in above-mentioned batching step, the resin glue preparation method are as follows: by urea, formaldehyde, ammonium hydroxide, grape
Sugar and starch obtains the liquid with adhesive effect in 70-80 DEG C of stirring 2h.
Further, in the extrusion step, vertical process is organized specifically:, will be from squeezing according to the sequence of the prefabricated style of button
The strap that machine squeezes out out is successively put in the symmetrical tire box of button；The molding process specifically: by the symmetrical tire box of button
Pairing makes the material in tire box form first handle with combined pressure above and below press machine, this yuan of handle placement wake up for 1-3 days ripe.
Further, in the cutting step, installing port gold at outlet of extruder flies in the setting rotation of mouth gold outlet section
The cylindric material of extrusion is cut into the button base of predetermined thickness by knife, high-speed rotating fly cutter.
Further, in the drying steps, first time drying process is 18 hours dry at 45-60 DEG C of temperature；Second
Secondary drying process is 24 hours dry at 30-100 DEG C of temperature.
Further, in the forming step, button in hydraulic forming machine successively by preheating, first pressing, exhaust, in
Pressure, exhaust, high pressure, pressure maintaining carry out 140-152 DEG C of high temperature compacting.
The medicine have the advantages that present invention process is simple, strong operability, cost of labor are low, the button surface of preparation without
Crackle, notch, uneven and obvious scratch, decorative pattern has no obvious deformation, without the supercilious look, white circle phenomena such as, the bright and clean unobstructed, type of buttonhole
Chamber is flat and smooth, and rub resistance, color fastness, shape are uniform.Button of the invention has appearance color permanently good, glossiness and knob
It is strong to detain pattern controllability, button has smooth texture, can be used for high-grade dress ornament.
Detailed description of the invention
Fig. 1 is various sizes of Lauxite button prepared by the present invention；
Fig. 2 is the Lauxite button of different pattern prepared by the present invention.
Specific embodiment
Below by embodiment, present invention technical solution to be protected is described in detail, but is not limited in any way
The system present invention.In following embodiments unless otherwise specified, used experimental method is conventional method, material therefor, reagent
Deng can be bought from commercial channel.
Lauxite can be using any method preparation well known in the art, as preferably using following methods preparation:
Formaldehyde 50-60wt%, urea 25-35wt% and paper pulp 10-15wt% are mixed in kneader and are reacted under the conditions of 85-97 DEG C
It is dried, the Lauxite after drying can be ground into 80 mesh, spare.Main component is plant fiber in paper pulp, in synthesis urea
Fiber substance is added to aldehyde in urea formaldehyde reaction process and urea generates in intermediate product hydroxycarbamide, mutually ties each other
It closes, the excellent Lauxite of forming properties.It is furthermore preferred that formaldehyde 55wt%, urea 30wt% and paper pulp 15wt%.
Embodiment 1
1, ingredient: 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%, ammonium hydroxide
2wt% and starch 1.5wt% mixing, is heated up to 80 DEG C of stirring 2h, obtains the liquid with adhesive effect.
It prepares pigment liquid: by the pre-provisioning request of button decorative pattern, the pigment of different colours is prepared using conventional method in that art
Liquid.
Resin glue, pigment liquid and mica powder uniform stirring are added into Lauxite, mica powder, which is added, can be improved ureaformaldehyde
The mechanical performance of resin button prevents from cracking.
2, it squeezes out
The material being stirred in step 1 is fitted into extruder, is set according to predetermined button pattern and squeezes out section configuration, material
In the material with sheet of predetermined section configuration after extruder extrusion, it is cut into specific length, it is spare.The button of different pattern
Sequence of putting in its button tire box with sheet material is different, and according to the sequence of the prefabricated style of button, will be squeezed from extruder
The material with sheet out is successively put in button tire box, and button tire box is in semi-cylindrical, will be on button tire box placement force machine
And a symmetrical tire box therewith is placed above button tire box, combined pressure, symmetrical tire box form circle after molding to press machine up and down
Column, the material in tire box also form columned first handle, by the placement of first handle carry out within 1-3 days waking up it is ripe until being suitble to cut off and being sliced until.
3, it cuts off
First handle is put into extruder, the button thickness according to needed for client sets shearing thickness, and first handle is cut into button base；
Rotating fly-bar is arranged in mouth gold outlet section in installing port gold at outlet of extruder, and high-speed rotating fly cutter is by the cylindric material of extrusion
Cut into the button base of predetermined thickness.Fall after button base cutting carries out air-dried on a moving belt, is directed into dry Dropbox.
4, dry
It is dry in baking oven that base will be detained, dry for the first time 18 hours dry at 45-60 DEG C, second of drying process is in temperature
It is 24 hours dry at 30-100 DEG C of degree, or drying 24 hours at temperature identical with first time drying process.By first
Secondary drying process treated button base can store 3 months or more, during storage, can be needed first according to processing at any time
Button base after secondary drying, which takes out, carries out redrying, else if directly carry out dry button base twice is caused due to production etc.
It cannot form in time, finally make to detain base curing, cause largely to waste.
5, it forms
It is needed to select button mold of different shapes according to client, mold is placed in hydraulic forming machine, by high temperature
High pressure suppresses button.140-152 DEG C of hydraulic forming machine set temperature, hydraulic forming machine within 200s successively by preheating,
First pressing, exhaust, middle pressure, exhaust, high pressure, pressure maintaining, wherein the pressure of first pressing is 5Kg/cm2, middle pressure 15-35Kg/cm2, high pressure
200Kg/cm2, through pressure maintaining after, be made button semi-finished product.
6, off-clip
With attachments such as flaw-pieces on button after molding, it is allowed to remove using rotating cylinder.
7, perforating
Use sand-blasting machine or cutting bed perforating on button；The method of sand-blasting machine perforating is: passing through high pressure gas with sand-blasting machine
Body sprays Cortex walnut sand, when by forming, remaining in the intraocular film of button hole and punching, and beats clean.The process can also using from
The heart is thrown the method got rid of and is realized.
Cutting bed perforating: not having the perforating without eyelet button when eyelet pillar on mold, cuts bed using button
With high-speed rotating wolfram steel stylus printer eye.
8, water mill
Water, grounds travel, grinding stone are added into centrifugal polishing machine to grind button surface, grinds off button mold
Remaining trace is molded, while the gloss of molded surface can also be ground off, obtains Lauxite button.
9, glazing
According to client to the needs of button gloss, using bamboo grain wooden unit and abrasive pastes in rotating cylinder, tumbling is right
Button glazing again.
Embodiment 2
Lauxite each raw material component in the present embodiment are as follows: Lauxite 36wt%, resin glue 60.9wt%, pigment liquid
0.1wt% and 3wt% mica powder.
1, ingredient
Prepare resin glue: by formaldehyde 40wt%, urea 28wt%, glucose 20wt%, aminoguanidine dihydrochloride 5wt%, ammonium hydroxide 5wt%
It is mixed with starch 2wt%, is heated up to 80 DEG C of stirring 2h, obtains the liquid with adhesive effect.
It prepares pigment liquid: by the pre-provisioning request of button decorative pattern, preparing the pigment liquid of different colours.
Resin glue, pigment liquid and mica powder are added into Lauxite, raw material is stirred evenly.
2, it squeezes out
The material being stirred in step 1 is fitted into extruder, is set according to predetermined button pattern and squeezes out section configuration, material
In the material with sheet of predetermined section configuration after extruder extrusion, it is cut into specific length, it is spare.It will be squeezed out from extruder
The material with sheet successively put in button tire box, press machine combined pressure up and down forms cylinder, tire box after the molding of symmetrical tire box
Interior material also forms columned first handle, the placement of first handle is carried out waking up for 1-3 days ripe until being suitble to cutting slice.
3, it cuts off
First handle is put into extruder, the button thickness according to needed for client sets shearing thickness, and first handle is cut into button base；
Rotating fly-bar is arranged in mouth gold outlet section in installing port gold at outlet of extruder, and high-speed rotating fly cutter is by the cylindric material of extrusion
Cut into the button base of predetermined thickness.Fall after button base cutting carries out air-dried on a moving belt, is directed into dry Dropbox.
4, dry
It is dry in baking oven that base will be detained, dry for the first time 18 hours dry at 60 DEG C, second of drying process is in temperature
It is 24 hours dry at 100 DEG C, or drying 24 hours at temperature identical with first time drying process.
5, it forms
It is needed to select button mold of different shapes according to client, mold is placed in hydraulic forming machine, hydro-forming
152 DEG C of machine set temperature, hydraulic forming machine successively passes 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, through pressure maintaining after, be made knob
Detain semi-finished product.
6, off-clip
With attachments such as flaw-pieces on button after molding, it is allowed to remove using rotating cylinder.
7, perforating
The method of sand-blasting machine perforating is: with sand-blasting machine by high pressure gas, spraying Cortex walnut sand, when by forming, remaining in
The intraocular film of button hole is punched, and is beaten clean.
8, water mill
Water, grounds travel, grinding stone are added into centrifugal polishing machine to grind button surface, grinds off button mold
Remaining trace is molded, while the gloss of molded surface can also be ground off, obtains Lauxite button.
Embodiment 3
Lauxite each raw material component in the present embodiment are as follows: Lauxite 45wt%, resin glue 53wt%, pigment liquid
1wt% and mica powder 1wt%.
1, ingredient
Prepare resin glue: by formaldehyde 50wt%, urea 20wt%, glucose 25wt%, aminoguanidine dihydrochloride 3wt%, ammonium hydroxide 1wt%
It is mixed with starch 1wt%, is heated up to 80 DEG C of stirring 2h, obtains the liquid with adhesive effect.
It prepares pigment liquid: by the pre-provisioning request of button decorative pattern, preparing the pigment liquid of different colours.
Resin glue, pigment liquid and mica powder stirring are added into Lauxite；Mica powder, which is added, can be improved Lauxite
The mechanical performance of button prevents from cracking.
2, it squeezes out
The material being stirred in step 1 is fitted into extruder, is set according to predetermined button pattern and squeezes out section configuration, material
In the material with sheet of predetermined section configuration after extruder extrusion, it is cut into specific length, it is spare.It will be squeezed out from extruder
The material with sheet successively put in button tire box, press machine combined pressure up and down forms cylinder, tire box after the molding of symmetrical tire box
Interior material also forms columned first handle, the placement of first handle is carried out waking up for 1-3 days ripe until being suitble to cutting slice.
3, it cuts off
First handle is put into extruder, the button thickness according to needed for client sets shearing thickness, and first handle is cut into button base；
Rotating fly-bar is arranged in mouth gold outlet section in installing port gold at outlet of extruder, and high-speed rotating fly cutter is by the cylindric material of extrusion
Cut into the button base of predetermined thickness.Fall after button base cutting carries out air-dried on a moving belt, is directed into dry Dropbox.
4, dry
It is dry in baking oven that base will be detained, dry for the first time 18 hours dry at 45 DEG C, second of drying process is in temperature
It is 24 hours dry at 45 DEG C, or drying 24 hours at temperature identical with first time drying process.
5, it forms
Mold is placed in hydraulic forming machine, 140 DEG C of hydraulic forming machine set temperature, hydraulic forming machine is within 200s
Successively pass through preheating, first pressing, exhaust, middle pressure, exhaust, high pressure, pressure maintaining, wherein the pressure of first pressing is 5Kg/cm2, middle pressure 15-
35Kg/cm2, high pressure 200Kg/cm2, through pressure maintaining after, be made button semi-finished product.
6, off-clip
With attachments such as flaw-pieces on button after molding, it is allowed to remove using rotating cylinder.
7, perforating
The method of sand-blasting machine perforating is: with sand-blasting machine by high pressure gas, spraying Cortex walnut sand, when by forming, remaining in
The intraocular film of button hole is punched, and is beaten clean.
8, water mill
Water, grounds travel, grinding stone are added into centrifugal polishing machine to grind button surface, grinds off button mold
Remaining trace is molded, while the gloss of molded surface can also be ground off, obtains Lauxite button.
9, glazing
According to client to the needs of button gloss, using bamboo grain wooden unit and abrasive pastes in rotating cylinder, tumbling is right
Button glazing again.
It is that test object carries out button performance test according to Examples 1 to 3 method preparation 15mm stock size button, implements
Example gained casein button has suitable toughness, stretches not broken.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 foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art within the technical scope of the present disclosure, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (2)
1. a kind of preparation method of Lauxite button, which comprises the following steps:
Batching step prepares resin glue and pigment liquid, and 50-64wt% resin glue, 0.1- are added into 36-45wt% Lauxite
1wt% pigment liquid and 1-3wt% mica powder, stirring；The Lauxite is prepared using following methods: by formaldehyde 55wt%, urine
Plain 30wt% and paper pulp 15wt%, which is mixed under the conditions of reacting on 85-97 DEG C in kneader, to be dried, the ureaformaldehyde tree after drying
Rouge can be ground into 80 mesh, spare；
The resin glue includes: formaldehyde 40-60wt%, urea 20-30wt%, glucose 15-25wt%, aminoguanidine dihydrochloride 3-5wt%,
Ammonium hydroxide 1-5wt% and starch 1-2wt% obtains the liquid with adhesive effect in 70-80 DEG C of stirring 2h；
Extrusion step, the material being stirred is squeezed out with extruder, be cut into after extrusion the material with sheet successively by the vertical process of group and
Molding process obtains first handle；The vertical process of group specifically: according to the sequence of the prefabricated style of button, by the strap squeezed out from extruder according to
It is secondary to put in the symmetrical tire box of button；The molding process specifically: by the symmetrical tire box pairing of button, above and below press machine
Combined pressure makes the material in tire box form first handle, this yuan of handle placement wake up for 1-3 days ripe；
Step is cut off, first handle is put into extruder, shearing thickness is set, first handle is cut into button base；
Drying steps, button base is dry in baking oven, and first time drying process is 18 hours dry at 45-60 DEG C of temperature；Second
Secondary drying process is 24 hours dry at 30-100 DEG C of temperature, spare after drying process twice；
Forming step will detain base with hydraulic press and suppress button, and button successively passes through preheating, first pressing, row in hydraulic forming machine
Gas, middle pressure, exhaust, high pressure, pressure maintaining carry out 140-152 DEG C of high temperature compacting；
Off-clip step, button after molding remove flaw-piece in rotating cylinder；
Perforating step uses sand-blasting machine or cutting bed perforating on button；
Water mill step adds such as water, grounds travel, grinding stone to grind button surface, obtains ureaformaldehyde into centrifugal polishing machine
Resin button；
Polishing step, using bamboo grain wooden unit and abrasive pastes in rotating cylinder, tumbling, to button again glazing.
2. the preparation method of Lauxite according to claim 1, which is characterized in that in the cutting step, extruder
Rotating fly-bar is arranged in mouth gold outlet section in exit installing port gold, and high-speed rotating fly cutter cuts into the cylindric material of extrusion
The button base of predetermined thickness.
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| CN201610905521.0A CN106473326B (en) | 2016-10-18 | 2016-10-18 | Lauxite button and preparation method thereof |
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| CN201610905521.0A CN106473326B (en) | 2016-10-18 | 2016-10-18 | Lauxite button and preparation method thereof |
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| CN106473326B true CN106473326B (en) | 2019-08-13 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107549934B (en) * | 2017-08-22 | 2021-10-01 | 广东企立昌大科技有限公司 | Environment-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 |
| 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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| CN1651266A (en) * | 2004-02-02 | 2005-08-10 | 精工爱普生株式会社 | Plastics ornament,its mfg. method and timepiece |
| CN101029164A (en) * | 2007-03-09 | 2007-09-05 | 刘兴国 | Urea-resin foaming thermal-insulating composite powder, the synthetic board therewith and method |
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