CN105578318B - The horn elastic wave and its manufacturing method of low volatile organic - Google Patents
The horn elastic wave and its manufacturing method of low volatile organic Download PDFInfo
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- CN105578318B CN105578318B CN201410527678.5A CN201410527678A CN105578318B CN 105578318 B CN105578318 B CN 105578318B CN 201410527678 A CN201410527678 A CN 201410527678A CN 105578318 B CN105578318 B CN 105578318B
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- elastic wave
- resin
- formaldehyde
- volatile organic
- resiniferous
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Abstract
A kind of manufacturing method of the horn elastic wave of low volatile organic, include: impregnation: resin and formaldehyde catching agent are mixed into an impregnation solution, the resin contains formaldehyde, the formaldehyde catching agent can act on the formaldehyde in resin and generate hypotoxicity or avirulent substance, to reduce the content of formaldehyde in the resin in impregnation solution, fibrous cloth is then soaked in impregnation solution and obtains resiniferous fibrous cloth.Then be dried, shape, cutting off and etc. and obtain a low volatile organic horn elastic wave.Whereby, the content of formaldehyde of the resin residue in the horn elastic wave of the low volatile organic made by the present invention is extremely low, meets the prepared safety standard in countries in the world.
Description
Technical field
The present invention relates to a kind of horn elastic wave and its manufacturing methods, contain especially with regard to the formaldehyde in a kind of reduction resin
The horn elastic wave and its manufacturing method of the low volatile organic of amount.
Background technique
Horn elastic wave (damper) is an element in loudspeaker, also referred to as damper, damper or centering branch
Piece.The manufacturing method of existing horn elastic wave is passed through a fibrous cloth containing resin pickup, drying, forming and cutting,
Flexible horn elastic wave is made.
However, the resin for being used to make horn elastic wave contains formaldehyde.The toxicity of formaldehyde is extremely strong, true by the World Health Organization
It is set to carcinogenic and cause deformed material.Influence of the formaldehyde to human health is mainly manifested in allotriosmia, stimulation, allergy, lung function
Abnormal, dysfunction of liver and immunologic dysfunction etc..Its concentration reaches 0.06-0.07mg/m3 in every cubic metres of air
When, children will occur slightly to pant.When formaldehyde content in indoor air is 0.1mg/m3, just there are peculiar smell and sense of discomfort；It reaches
When to 0.5mg/m3, eyes can be stimulated, cause to shed tears；Up to 0.6mg/m3, throat discomfort or pain can be caused.When concentration is higher,
It can cause nausea and vomiting, cough uncomfortable in chest, asthma even pulmonary edema；When reaching 30mg/m3, causing death immediately is understood.Long Term Contact
Low dosage formaldehyde can cause chronic respiratory disease, cause the gene of nasopharyngeal carcinoma, colon cancer, brain tumor, paramenia, nucleus prominent
Become, the single-stranded interior commissure of DNA and DNA with protein commissure and inhibit the reparation of DNA damage, pregnancy syndrome, newborn caused to contaminate
Colour solid exception, leukaemia cause teenager's memory and intelligence to decline.In all contactees, children and pregnant woman's PARA FORMALDEHYDE PRILLS(91,95) are outstanding
For sensitivity, endanger also just bigger.
In view of this, the horn elastic for how providing a kind of low volatile organic for reducing the content of formaldehyde in resin involves
Its manufacturing method enables the content of formaldehyde of the resin residue of the horn elastic wave to reach the safety standard of countries in the world, for the present invention
The personage in field focuses on place.
Summary of the invention
The main purpose of the present invention is to provide a kind of manufacturing methods of the horn elastic wave of low volatile organic, reduce tree
Content of formaldehyde in rouge makes the content of formaldehyde of the resin residue of horn elastic wave meet the safety standard of countries in the world.
Another object of the present invention is to provide a kind of horn elastic wave of low volatile organic, content of formaldehyde meets generation
The safety standard of various countries of boundary.
In order to reach foregoing purpose, the present invention will provide a kind of manufacturing method of the horn elastic wave of low volatile organic,
It comprises the steps of
Impregnation: a fibrous cloth is soaked in a resin and a formaldehyde catching agent, and obtains a resiniferous fibrous cloth,
In the resin contain formaldehyde, which reduces the content of formaldehyde in the resin.
It is dry: the resiniferous fibrous cloth is dry.
Forming: a horn elastic wave shape is shaped on the resiniferous fibrous cloth after the drying；
Cutting: the horn elastic wave shape on the resiniferous fibrous cloth is cut and obtains a low volatile organic
Horn elastic wave.
In order to reach foregoing purpose, it is by aforementioned that the present invention, which will provide a kind of horn elastic wave of low volatile organic,
Low volatile organic horn elastic wave manufacturing method made by.
Effect of the invention is, in the impregnation step of this method, which is immersed in resin and formaldehyde is caught
It catches in agent, which can act on the formaldehyde in resin and generate hypotoxicity or avirulent substance, to reduce tree
Content of formaldehyde in rouge.Whereby, the resin residue in the horn elastic wave of low volatile organic made by method of the invention
Content of formaldehyde it is extremely low, meet the prepared safety standard in countries in the world.
Detailed description of the invention
Fig. 1 is the flow chart of the manufacturing method of the horn elastic wave of low volatile organic of the invention.
Wherein, the reference numerals are as follows:
S1 impregnation
S2 is dry
S3 forming
S4 cutting
Specific embodiment
Schema and component symbol is cooperated to do more detailed description to embodiments of the present invention below, so as to be familiar with this field
Technical staff can implement accordingly after studying this specification carefully.
Referring to FIG. 1, the flow chart of the manufacturing method for the horn elastic wave of low volatile organic of the invention, in this hair
In bright first embodiment, the present invention provides a kind of manufacturing method of the horn elastic wave of low volatile organic, including following step
It is rapid:
S1: one fibrous cloth of impregnation is soaked in a resin and a formaldehyde catching agent (formaldehyde catching
Agent), and a resiniferous fibrous cloth is obtained.Wherein the resin contains formaldehyde, which reduces in the resin
Content of formaldehyde.In the present embodiment, the resin and the formaldehyde catching agent are mixed into an impregnation solution, which is soaked in this
It is impregnated with solution.Wherein, which includes 12% resin and 1.2% formaldehyde catching agent, which is metal
Salt.Preferably, the resin are ethylene urea resin, which is Sulfates or sulfites.Sulfates or
Sulfites (chemical formula M2SOX) and formaldehyde (chemical formula CH2Equation when O) acting on is as follows:
M2SOX+CH2O+H2O→HOCH2SOXM+MOH
Wherein, M is+1 valence metal or other valence state metals, X=2 or 3.From the foregoing, it will be observed that the Sulfates or sulphite
Avirulent HOCH is generated after formaldehyde effect in class and resin2SOXM, to reduce the content of formaldehyde in resin.Other
In embodiment, which can first be soaked in resin, then be soaked in formaldehyde catching agent, also without can not；The either fiber
Cloth body is first soaked in resin, and formaldehyde catching agent is then sprayed at resiniferous fibrous cloth with the mode of spraying, also feasible.
Dry S2: being squeezed out the Excess resin of the resiniferous fibrous cloth with a roller, then again that this is resiniferous
Fibrous cloth 80 DEG C at a temperature of it is 7 minutes dry.
Forming S3: a horn elastic wave shape is shaped on dry resiniferous fibrous cloth.In the present embodiment, will
Dry resiniferous fibrous cloth 150 DEG C at a temperature of carry out 6 minutes hot formings, finally shape the horn elastic wave
Shape.
Cutting S4: the horn elastic wave shape on the resiniferous fibrous cloth is cut and obtains a low volatile organic
Horn elastic wave.
Finally, with the tree in the horn elastic wave of the low volatile organic in the iodimetric titration detection first embodiment of the present invention
The remaining content of formaldehyde of rouge is 0%~0.5%.
Again referring to FIG. 1, in the second embodiment of the present invention, the present invention provides a kind of loudspeaker of low volatile organic
Play the manufacturing method of wave, including the following steps:
S1: one fibrous cloth of impregnation is soaked in a resin and a formaldehyde catching agent (formaldehyde catching
Agent), and a resiniferous fibrous cloth is obtained.Wherein the resin contains formaldehyde, which reduces in the resin
Content of formaldehyde.In the present embodiment, the resin and the formaldehyde catching agent are mixed into an impregnation solution, which is soaked in this
It is impregnated with solution.Wherein, which includes 15% resin and 1.5% formaldehyde catching agent, which is amino
Compound (chemical formula R-NH2).Equation when amino-compound and formaldehyde act on is as follows:
CH2O+R-NH2→H2C=N-R+H2O
From the foregoing, it will be observed that the formaldehyde in the amino-compound and resin generates avirulent H after acting on2C=N-R and water, from
And reduce the content of formaldehyde in resin.Preferably, the amino-compound are that (chemical formula is (NH to urea2)2CO), urea and first
Equation when aldehyde acts on is as follows:
NH2-CO-NH2+CH2O→CH2OH-NH2-CO-NH2-CH2OH
From the foregoing, it will be observed that the formaldehyde in the urea and resin generates avirulent CH after acting on2OH-NH2-CO-NH2-CH2OH,
To reduce the content of formaldehyde in resin.Preferably, the resin include furfural resin, denaturing urea resin and high condensation urea
Resin, the impregnation solution in the present embodiment include 10% furfural resin, 3% denaturing urea resin, 2% high condensation urea
Resin and 1.5% urea.
Dry S2: being squeezed out the Excess resin of the resiniferous fibrous cloth with a roller, then again that this is resiniferous
Fibrous cloth 80 DEG C at a temperature of it is 5 minutes dry.
Forming S3: a horn elastic wave shape is shaped on dry resiniferous fibrous cloth.In the present embodiment, will
Dry resiniferous fibrous cloth 140 DEG C at a temperature of carry out 5 minutes hot formings, finally shape the horn elastic wave
Shape.
Cutting S4: the horn elastic wave shape on the resiniferous fibrous cloth is cut and obtains a low volatile organic
Horn elastic wave.
Finally, with the low volatilization in phloroglucin (phloroglucinol) the development process detection second embodiment of the present invention
Property organic matter horn elastic wave in resin residue content of formaldehyde be 0.04%.
The manufacturing method of the horn elastic wave of low volatile organic of the invention is in impregnation step, by the fibrous cloth
It is immersed in resin and formaldehyde catching agent, which can act on the formaldehyde in resin and generate hypotoxicity or avirulent
Substance, to reduce the content of formaldehyde in resin.Whereby, the loudspeaker of low volatile organic made by method of the invention
The content of formaldehyde for playing the resin residue of wave is extremely low, meets the prepared safety standard in countries in the world, makes to be installed with of the invention made
At the loudspeaker of horn elastic wave of low volatile organic meet environmentally friendly demand, and the user for reducing the loudspeaker is exposed to first
Risk in the environment of aldehyde makes the body and mind of user more healthy.
Secondly, the present invention is that the resin and the formaldehyde catching agent are mixed into the impregnation solution in impregnation step.By
This, before the fibrous cloth is soaked in the impregnation solution, which has begun starts to act on the formaldehyde in resin,
And hypotoxicity or avirulent substance are generated, makes the fibrous cloth when being soaked in the impregnation solution, in the impregnation solution
The content of formaldehyde of resin decreased many.Before starting that step is dried, the resin residue of the resiniferous fibrous cloth
Content of formaldehyde can reach in the safe range that countries in the world are defined.
The foregoing is merely to explain presently preferred embodiments of the present invention, it is not intended to do any form to the present invention accordingly
On limitation.Therefore, it is all have make any modification or change for the present invention under identical spirit, all should include
The invention is intended to the scopes of protection.
Claims (6)
1. a kind of manufacturing method of the horn elastic wave of low volatile organic, characterized in that it comprises the following steps:
Impregnation: a fibrous cloth is soaked in an ethylene urea resin and a formaldehyde catching agent, and obtains a resiniferous fiber cloth
Body, wherein the resin contains formaldehyde, which reduces the content of formaldehyde in the resin；
It is dry: the resiniferous fibrous cloth is dry；
Forming: a horn elastic wave shape is shaped on the resiniferous fibrous cloth after the drying；
Cutting: the horn elastic wave shape on the resiniferous fibrous cloth is cut and is obtained the loudspeaker of a low volatile organic
Play wave；
In the impregnation step, the resin and the formaldehyde catching agent are mixed into an impregnation solution, which is soaked in this and contains
Soak solution；
The impregnation solution includes 12% resin and 1.2% formaldehyde catching agent, which is the metal of Sulfates
Salt,
In the drying steps, by the resiniferous fibrous cloth 80 DEG C at a temperature of it is 7 minutes dry；In the forming step
In, by dry resiniferous fibrous cloth 150 DEG C at a temperature of carry out 6 minutes hot formings, make the resiniferous fibre
Dimension cloth body shapes the horn elastic wave shape.
2. the manufacturing method of the horn elastic wave of low volatile organic as described in claim 1, which is characterized in that the metal salt
Class is sulfites.
3. the manufacturing method of the horn elastic wave of low volatile organic as described in claim 1, which is characterized in that the impregnation is molten
Liquid includes 15% resin and 1.5% formaldehyde catching agent, which is amino-compound.
4. the manufacturing method of the horn elastic wave of low volatile organic as claimed in claim 3, which is characterized in that the amination
Conjunction object is urea.
5. the manufacturing method of the horn elastic wave of low volatile organic as claimed in claim 3, which is characterized in that in the drying
In step, by the resiniferous fibrous cloth 80 DEG C at a temperature of it is 5 minutes dry；In the forming step, dry is contained
The fibrous cloth of resin 140 DEG C at a temperature of carry out 5 minutes hot formings, so that the resiniferous fibrous cloth is shaped this
Horn elastic wave shape.
6. a kind of horn elastic wave of low volatile organic, which is characterized in that it is as described in any one of claims 1 to 5
Method made by.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410527678.5A CN105578318B (en) | 2014-10-09 | 2014-10-09 | The horn elastic wave and its manufacturing method of low volatile organic |
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| CN201410527678.5A CN105578318B (en) | 2014-10-09 | 2014-10-09 | The horn elastic wave and its manufacturing method of low volatile organic |
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| CN105578318A CN105578318A (en) | 2016-05-11 |
| CN105578318B true CN105578318B (en) | 2019-02-15 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107801127A (en) * | 2016-08-31 | 2018-03-13 | 大原博 | The horn elastic wave manufacture method of its shaping of multisection type horn elastic wave shaped device and application |
| CN110650390A (en) * | 2019-10-24 | 2020-01-03 | 东莞成轩电子科技有限公司 | Processing method for reducing elastic wave deformation and automatic production system thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4264760A (en) * | 1979-09-13 | 1981-04-28 | Meyer Carl B | Method of abating aldehyde odor in resins and products produced therefrom |
| CN1447623A (en) * | 2002-03-22 | 2003-10-08 | 大原博 | Composing process of elastic fabric, elastic cloth made therefrom |
| CN101434820A (en) * | 2008-11-27 | 2009-05-20 | 上海久安水质稳定剂厂 | Novel low-formaldehyde high temperature glass wool binder |
| CN103448185A (en) * | 2012-05-29 | 2013-12-18 | 李克明 | Preparation method of damper |
| TW201408086A (en) * | 2012-08-10 | 2014-02-16 | Ohara Hiroshi | Speaker damper and manufacturing method thereof |
-
2014
- 2014-10-09 CN CN201410527678.5A patent/CN105578318B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4264760A (en) * | 1979-09-13 | 1981-04-28 | Meyer Carl B | Method of abating aldehyde odor in resins and products produced therefrom |
| CN1447623A (en) * | 2002-03-22 | 2003-10-08 | 大原博 | Composing process of elastic fabric, elastic cloth made therefrom |
| CN101434820A (en) * | 2008-11-27 | 2009-05-20 | 上海久安水质稳定剂厂 | Novel low-formaldehyde high temperature glass wool binder |
| CN103448185A (en) * | 2012-05-29 | 2013-12-18 | 李克明 | Preparation method of damper |
| TW201408086A (en) * | 2012-08-10 | 2014-02-16 | Ohara Hiroshi | Speaker damper and manufacturing method thereof |
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| CN105578318A (en) | 2016-05-11 |
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