CN107813485A - A kind of melamine foams and fiber blend preparation technology - Google Patents
A kind of melamine foams and fiber blend preparation technology Download PDFInfo
- Publication number
- CN107813485A CN107813485A CN201711059092.0A CN201711059092A CN107813485A CN 107813485 A CN107813485 A CN 107813485A CN 201711059092 A CN201711059092 A CN 201711059092A CN 107813485 A CN107813485 A CN 107813485A
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- CN
- China
- Prior art keywords
- melamine
- melamine foams
- particle
- foams
- preparation technology
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/071—Preforms or parisons characterised by their configuration, e.g. geometry, dimensions or physical properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B11/00—Making preforms
- B29B11/14—Making preforms characterised by structure or composition
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
- B29C51/26—Component parts, details or accessories; Auxiliary operations
- B29C51/46—Measuring, controlling or regulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2949/00—Indexing scheme relating to blow-moulding
- B29C2949/07—Preforms or parisons characterised by their configuration
- B29C2949/0715—Preforms or parisons characterised by their configuration the preform having one end closed
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Manufacturing & Machinery (AREA)
- Laminated Bodies (AREA)
- Road Paving Structures (AREA)
Abstract
The present invention relates to a kind of melamine foams and fiber blend preparation technology, comprise the following steps：1）, that melamine foams waste material is ground into the irregular melamine foams particle of particle diameter is standby；2）, one layer of step 1 of being mated formation on a moving belt with laying device）Obtained melamine foams particle, obtain the bottom melamine foams particle layer that thickness is 1cm 2cm；3）, in step 2）In tack coat is used as using 45 ° of jet angle spray fiber on obtained bottom melamine foams particle layer；4）, a layer thickness of mating formation on tack coat in step 3) between 1cm 4cm by step 1）Obtained melamine foams particle, obtain the first section bar with composite bed；5）, by step 4）Obtained first section bar carries out hot pressing under 200 DEG C of 230 DEG C of states with hot press and cooled down rapidly, and it is continuous to obtain melamine bubble；The present invention has the advantages of energy-conserving and environment-protective, density is high, cleaning effect is good, durable, noise reduction coefficient is high.
Description
Technical field
The invention belongs to noise reduction field of material technology, and in particular to one kind prepares work based on melamine foams and fiber blend
Skill.
Background technology
Melamine foams are also known as the high perforate that melamine bubble is continuous, is prepared by melamine and formaldehyde resin addition auxiliary agent
Tridimensional network bubble it is continuous, slightly get wet i.e. adsorbable spot, has obvious cleaning effect, be widely used in cleaning tableware,
Incrustation scale, grease and dirt on the hard surface of any light such as kitchen tools, bathroom, ceramic tile, household electrical appliances, household, producing Clean- melamine
During foam, a monoblock melamine foams can be cut out as needed, substantial amounts of waste material can be produced after cutting out, it is generally right
The processing mode of these melamine foams waste materials is that this can be produced serious for enterprise using the processing mode such as burning, buried
Waste of raw materials, while serious contamination can be also produced to environment.On the other hand, melamine foams are also long for tight to noise
The equipment of weight carries out noise reduction, and the density for the bloop for steeping silk floss currently as the melamine of noise reduction is relatively low, causes erasure effect to be paid no attention to
Think.
The content of the invention
The purpose of the present invention is overcome the deficiencies in the prior art and provides a kind of energy-conserving and environment-protective, to save cost, density high, resistance to
With the high melamine foams of, noise reduction coefficient and fiber blend preparation technology.
Technical scheme is as follows：
A kind of melamine foams and fiber blend preparation technology, comprise the following steps：
1）, that melamine foams waste material is ground into the irregular melamine foams particle of particle diameter is standby；
2）, one layer of step 1 of being mated formation on a moving belt with laying device）Obtained melamine foams particle, obtains bottom melamine foams
Particle layer；
3）, in step 2）In on obtained bottom melamine foams particle layer spray fiber as tack coat；
4）, one layer of step 1 of mating formation on tack coat in step 3)）Obtained melamine foams particle, obtains having composite bed
First section bar；
5）, by step 4）Obtained first section bar carries out hot pressing with hot press and cooled down rapidly, and it is continuous to obtain melamine bubble.
Further, the particle diameter of the melamine foams particle is 2mm-20mm.
Further, the step 2）The pavement thickness of middle melamine foams particle is 1cm-2cm.
Further, the step 3）The spray angle of middle fiber is 45 °.
Further, the thickness of melamine foams particle of mating formation in the step 4 on tack coat is 1cm-4cm.
Further, the step 5）Middle hot pressing temperature is 200 DEG C -230 DEG C.
Further, the step 5）Middle melamine bubble silk floss includes melamine foams particle particle and fibrefill.
Further, the continuous density of the melamine bubble is 80kg/m3-200 kg/m3。
Further, the continuous thickness of the melamine bubble is 20mm-30mm.
Compared with prior art, the beneficial effects of the invention are as follows：
1st, the present invention steeps silk floss by the use of the melamine that melamine foams waste material is prepared as noise reduction, to the melamine foams waste material in production
Secondary operation utilization is carried out, raw material are carried out rationally sufficiently to utilize, sufficiently accomplishes energy-saving and environmental protection, effectively reduces production
Cost；
2nd, the present invention is bonded using the fiber melted to the irregular melamine foams particle of particle diameter by heat, the fibre of melting state
Dimension has good cohesive force to melamine foams particle, and melamine foams particle is carried out into effectively fixed bond after rapid cooling；
3rd, melamine foams plastics are carried out hot pressing by the present invention with fiber under 200 DEG C of -230 DEG C of states, and melamine foams particle is in height
After being extruded under temperature state, effectively melamine foams particle is modified so that number of openings increase is obtained in unit area, to making an uproar
Sound has good absorption；
4th, the present invention keeps the spray angle and melamine foams particle angle at 45 ° of fiber, effectively causes fibre in spray fiber
Dimension is filled the space melamine foams particle, is effectively ensured in melamine foams particle and fiber hot pressing, close
Fast and effective bonding between amine foam particle particle；
In a word, the present invention has the advantages of energy-conserving and environment-protective, density is high, cleaning effect is good, durable, noise reduction coefficient is high.
Brief description of the drawings
Fig. 1 is the structure chart of cleaning cotton in the present invention.
In figure：1st, melamine foams particle particle, 2, fibrefill.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Embodiment 1
A kind of melamine foams and fiber blend preparation technology, comprise the following steps：
1）, that melamine foams waste material is ground into the irregular melamine foams particle of particle diameter is standby；
2）, one layer of step 1 of being mated formation on a moving belt with laying device）Obtained melamine foams particle, obtains bottom melamine foams
Particle layer；
3）, in step 2）In on obtained bottom melamine foams particle layer spray fiber as tack coat；
4）, one layer of step 1 of mating formation on tack coat in step 3)）Obtained melamine foams particle, obtains having composite bed
First section bar；
5）, by step 4）Obtained first section bar carries out hot pressing with hot press and cooled down rapidly, and it is continuous to obtain melamine bubble.
In the present embodiment, the particle diameter of the melamine foams particle is 2mm-20mm；The step 2）Middle melamine foams are broken
The pavement thickness of material is 1cm；The step 3）The spray angle of middle fiber is 45 °；Mat formation in the step 4 on tack coat close
The thickness of amine foam particle is 4cm；The step 5）Middle hot pressing temperature is 200 DEG C.
Embodiment 2
A kind of melamine foams and fiber blend preparation technology, comprise the following steps：
1）, that melamine foams waste material is ground into the irregular melamine foams particle of particle diameter is standby；
2）, one layer of step 1 of being mated formation on a moving belt with laying device）Obtained melamine foams particle, obtains bottom melamine foams
Particle layer；
3）, in step 2）In on obtained bottom melamine foams particle layer spray fiber as tack coat；
4）, one layer of step 1 of mating formation on tack coat in step 3)）Obtained melamine foams particle, obtains having composite bed
First section bar；
5）, by step 4）Obtained first section bar carries out hot pressing with hot press and cooled down rapidly, and it is continuous to obtain melamine bubble.
In the present embodiment, the particle diameter of the melamine foams particle is 2mm-20mm；The step 2）Middle melamine foams are broken
The pavement thickness of material is 2cm；The step 3）The spray angle of middle fiber is 45 °；Mat formation in the step 4 on tack coat close
The thickness of amine foam particle is 3cm；The step 5）Middle hot pressing temperature is 230 DEG C.
Embodiment 3
A kind of melamine foams and fiber blend preparation technology, comprise the following steps：
1）, that melamine foams waste material is ground into the irregular melamine foams particle of particle diameter is standby；
2）, one layer of step 1 of being mated formation on a moving belt with laying device）Obtained melamine foams particle, obtains bottom melamine foams
Particle layer；
3）, in step 2）In on obtained bottom melamine foams particle layer spray fiber as tack coat；
4）, one layer of step 1 of mating formation on tack coat in step 3)）Obtained melamine foams particle, obtains having composite bed
First section bar；
5）, by step 4）Obtained first section bar carries out hot pressing with hot press and cooled down rapidly, and it is continuous to obtain melamine bubble.
In the present embodiment, the particle diameter of the melamine foams particle is 2mm-20mm；The step 2）Middle melamine foams are broken
The pavement thickness of material is 1cm；The step 3）The spray angle of middle fiber is 45 °；Mat formation in the step 4 on tack coat close
The thickness of amine foam particle is 3cm；The step 5）Middle hot pressing temperature is 220 DEG C.
Embodiment 4
A kind of melamine foams and fiber blend preparation technology, comprise the following steps：
1）, that melamine foams waste material is ground into the irregular melamine foams particle of particle diameter is standby；
2）, one layer of step 1 of being mated formation on a moving belt with laying device）Obtained melamine foams particle, obtains bottom melamine foams
Particle layer；
3）, in step 2）In on obtained bottom melamine foams particle layer spray fiber as tack coat；
4）, one layer of step 1 of mating formation on tack coat in step 3)）Obtained melamine foams particle, obtains having composite bed
First section bar；
5）, by step 4）Obtained first section bar carries out hot pressing with hot press and cooled down rapidly, and it is continuous to obtain melamine bubble.
In the present embodiment, the particle diameter of the melamine foams particle is 2mm-20mm；The step 2）Middle melamine foams are broken
The pavement thickness of material is 1cm-2cm；The step 3）The spray angle of middle fiber is 45 °；On tack coat upper berth in the step 4
The thickness for filling melamine foams particle is 1cm-4cm；The step 5）Middle hot pressing temperature is 200 DEG C -230 DEG C.
The melamine prepared using the method for the present embodiment steeps continuous, the step 5）Middle melamine bubble is continuous broken including melamine foams
Expect particle 1 and fibrefill 2；The continuous density of the melamine bubble is 80kg/m3-200 kg/m3。
To sum up, using preparation method provided by the invention, it is particle diameter between 2mm-20mm that melamine foams waste material, which is crushed,
Melamine foams particle, be that heat is carried out by temperature of the hot press between 200 DEG C -230 DEG C after jet angle spray fiber with 45 °
The molded high melamine bubble of high-strength durable noise reduction coefficient of preparing is continuous, and the density of finished product melamine bubble silk floss brings up to 80kg/m3-
200 kg/m3, the continuous intensity of melamine bubble is effectively improved, extends the continuous service life of melamine bubble.
Although the present invention is described in detail with reference to the foregoing embodiments, for those skilled in the art,
It can still modify to the technical scheme described in foregoing embodiments, or which part technical characteristic is carried out etc.
With replacing, within the spirit and principles of the invention, any modification, equivalent substitution and improvements made etc., this should be included in
Within the protection domain of invention.
Claims (9)
1. a kind of melamine foams and fiber blend preparation technology, it is characterised in that：Comprise the following steps：
1）, that melamine foams waste material is ground into the irregular melamine foams particle of particle diameter is standby；
2）, one layer of step 1 of being mated formation on a moving belt with laying device）Obtained melamine foams particle, obtains bottom melamine foams
Particle layer；
3）, in step 2）In on obtained bottom melamine foams particle layer spray fiber as tack coat；
4）, one layer of step 1 of mating formation on tack coat in step 3)）Obtained melamine foams particle, obtains having composite bed
First section bar；
5）, by step 4）Obtained first section bar carries out hot pressing with hot press and cooled down rapidly, and it is continuous to obtain melamine bubble.
2. melamine foams as claimed in claim 1 and fiber blend preparation technology, it is characterised in that：The melamine foams particle
Particle diameter be 2mm-20mm.
3. melamine foams as claimed in claim 1 and fiber blend preparation technology, it is characterised in that：The step 2）Middle melamine
The pavement thickness of foam particle is 1cm-2cm.
4. melamine foams as claimed in claim 1 and fiber blend preparation technology, it is characterised in that：The step 3）Middle fiber
Spray angle be 45 °.
5. melamine foams as claimed in claim 1 and fiber blend preparation technology, it is characterised in that：Viscous in the step 4
The thickness for tying melamine foams particle of mating formation on layer is 1cm-4cm.
6. melamine foams as claimed in claim 1 and fiber blend preparation technology, it is characterised in that：The step 5）Middle hot pressing
Temperature is 200 DEG C -230 DEG C.
7. the melamine that the melamine foams as described in any one of claim 1-6 claim are prepared with fiber blend preparation technology
Bubble is continuous, it is characterised in that：The step 5）Middle melamine bubble silk floss includes melamine foams particle particle（1）And fibrefill（2）.
8. cleaning cotton as claimed in claim 6, it is characterised in that：The continuous density of the melamine bubble is 80kg/m3-200 kg/
m3。
9. cleaning cotton as claimed in claim 6, it is characterised in that：The continuous thickness of the melamine bubble is 20mm-30mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711059092.0A CN107813485B (en) | 2017-11-01 | 2017-11-01 | Melamine foam and fiber blending preparation process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711059092.0A CN107813485B (en) | 2017-11-01 | 2017-11-01 | Melamine foam and fiber blending preparation process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107813485A true CN107813485A (en) | 2018-03-20 |
| CN107813485B CN107813485B (en) | 2020-08-04 |
Family
ID=61603601
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711059092.0A Active CN107813485B (en) | 2017-11-01 | 2017-11-01 | Melamine foam and fiber blending preparation process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107813485B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022263228A1 (en) * | 2021-06-17 | 2022-12-22 | Basf Se | Method for preparing melamine resin foams using grinded melamine foam particles |
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| CN107022107A (en) * | 2017-04-18 | 2017-08-08 | 尹东海 | A kind of solid-state tuning body and its manufacture craft |
| CN107151348A (en) * | 2017-05-19 | 2017-09-12 | 神盾防火科技有限公司 | A kind of melamine waste recovery restoring method |
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| CN101031214A (en) * | 2004-09-30 | 2007-09-05 | 金伯利-克拉克环球有限公司 | Foam-based fasteners |
| CN101163533A (en) * | 2005-04-26 | 2008-04-16 | 日东电工株式会社 | Filter medium, process for producing the same, method of use thereof, and filter unit |
| CN101563189A (en) * | 2006-12-21 | 2009-10-21 | 3M创新有限公司 | Abrasive article and methods of making same |
| CN101275488A (en) * | 2007-03-30 | 2008-10-01 | 霓佳斯株式会社 | Soundproof cover |
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| WO2022263228A1 (en) * | 2021-06-17 | 2022-12-22 | Basf Se | Method for preparing melamine resin foams using grinded melamine foam particles |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107813485B (en) | 2020-08-04 |
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