CN108789936A - A kind of processing method of sound-proof material offal - Google Patents
A kind of processing method of sound-proof material offal Download PDFInfo
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- CN108789936A CN108789936A CN201810489930.6A CN201810489930A CN108789936A CN 108789936 A CN108789936 A CN 108789936A CN 201810489930 A CN201810489930 A CN 201810489930A CN 108789936 A CN108789936 A CN 108789936A
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- offal
- pvc
- regenerated fiber
- water
- hot water
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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
- 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
- B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
-
- 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
- B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
- B29B17/02—Separating plastics from other materials
-
- 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
- B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
- B29B2017/001—Pretreating the materials before recovery
- B29B2017/0015—Washing, rinsing
-
- 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
- B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
- B29B17/02—Separating plastics from other materials
- B29B2017/0213—Specific separating techniques
- B29B2017/0286—Cleaning means used for separation
- B29B2017/0289—Washing the materials in liquids
-
- 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
- B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
- B29B17/02—Separating plastics from other materials
- B29B2017/0213—Specific separating techniques
- B29B2017/0293—Dissolving the materials in gases or liquids
-
- 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
- B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
- B29B17/02—Separating plastics from other materials
- B29B2017/0213—Specific separating techniques
- B29B2017/0293—Dissolving the materials in gases or liquids
- B29B2017/0296—Dissolving the materials in aqueous alkaline solutions, e.g. NaOH or KOH
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
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- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Abstract
The invention discloses a kind of processing method of sound-proof material offal, the processing method of the sound-proof material offal specifically includes following steps：Part hot water is injected in pond, it is 30-60 DEG C to adjust water temperature；PVC to be separated is put into the compound offal of regenerated fiber felt in pond and is impregnated；Washing powder is added into hot water again and stirs and melts；The PVC and the compound offal of regenerated fiber felt in water are stirred, and the amount of hot water and cold water is added come monitor water temperature by control；Pull separated PVC pieces and regenerated fiber out respectively；It is neutrality to clean PVC pieces and regenerated fiber to ejected wash water PH respectively with clear water；PVC pieces and regenerated fiber are dried, the present invention fills profit and recycled offal, saving data, reduced cost, environmental protection, and required material material is easy to get, is easy to operate, convenient for popularization；Mechanization may be implemented, pipelining is good, more efficient than manual disintegrate-quality at that time, greatly reduces the amount of labour, personnel safety.
Description
Technical field
The present invention relates to sound insulation environmental technology fields, and in particular to a kind of processing method of sound-proof material offal.
Background technology
The sound and thermal insulating material of part air-conditioning or automobile is to reuse mould by the composite regenerated fibrofelt of white glue with vinyl by PVC
Made of butt formula.In die cutting process, a large amount of offals are will produce.These offals are white because PVC passes through with regenerated fiber felt
Latex sticks together, it is difficult to detach, without utility value, a large amount of factory sites be also taken up, moreover, having an effect on environment.If after making moist,
White glue with vinyl can ferment with regenerated fiber felt, the various bad smells of product, also fire hazard.
According to investigations, the treating method of each company is as follows at present：1, it transports to wild place or rubbish factory incinerates straight, make Gu great Liang
Exhaust gas；2, PVC and regenerated fiber felt are detached by hand, and PVC and regenerated fiber felt is separately recovered.But regenerated fiber felt is remained on PVC
Very much, PVC can only do inferior product or filler material.
It is not difficult to find out：Simple thick quick-fried, the waste of resource of first method, pollutes environment；Second method material use is not high,
Also need to a large amount of manpower, material resources and financial resources.
It is both reusable if PVC can be detached thoroughly with regenerated fiber felt.There is an urgent need for had found one kind both now
It is economical and practical, operation is just used, and economize on resources, the method for environmental protection.
Invention content
To solve the above problems, the present invention is intended to provide it is a kind of separation it is thorough, economical and practical, easy to operate and
The processing method of the sound-proof material offal of green pollution-free.
Purpose to realize the present invention, the technical solution adopted is that：A kind of processing method of sound-proof material offal, the sound insulation
The processing method of cotton offal specifically includes following steps：
1) prepares raw material：Part hot water is injected in clean pond, and cold water is added and adjusts pond water temperature inside temperature
Degree is 30~70 DEG C, and the clean PVC of cold water flush and the compound offal of regenerated fiber felt is used in combination；
2) leftover bits and pieces impregnates：The PVC for cleaning and detaching is launched with the compound offal of regenerated fiber felt into hot water
It is impregnated in pond, wherein the parts by weight proportioning of hot water and PVC and the compound offal of regenerated fiber felt are 10:3~8, it impregnates
Blender stirring at low speed in the process；
3) adds washing powder：Washing powder is added simultaneously into the hot water immersed with PVC and the compound offal of regenerated fiber felt again
Stirring melts, wherein hot water, PVC and the parts by weight of the compound offal of regenerated fiber felt and washing powder proportioning are 1000:300
~800:5~30, when adding washing powder blender with moderate-speed mixer after stand；
4) detaches raw material：The PVC and the compound offal of regenerated fiber felt in hot water water are stirred, and is added by control
Entering the amount of hot water and cold water, to carry out monitor water temperature be 30~70 DEG C, and blender is stirred with high speed, ensures bubble inside hot-tub
Foam layer thickness is the 1/20~1/5 of hot water height；
5) pulls separating material out：First the regenerated fiber being completely separated is pulled out and is drained the water after being rinsed 2~3 times using clear water
Point, the clear water of equal volume is added after the hot water inside hot-tub is allowed to dry, after pulling PVC pieces out and being rinsed 1~2 time using clear water
It drains away the water；
6) cleans separating material：PVC pieces and regenerated fiber are rinsed repeatedly with 30~45 DEG C of clean clear water, and detect cleaning
Water ph value is neutral or alkalescent；
7) dries separating material：By PVC pieces and regenerated fiber be transferred to baking oven either dry inside room maintain baking oven or
The temperature dried inside room is 15~45 DEG C, dries PVC pieces with regenerated fiber to get fine with regeneration to the PVC pieces being completely separated
Dimension.
Preferably, the hot water temperature in the process method step 1 of the sound-proof material offal inside pond is 30~60 DEG C,
Hot water amount is the 1/2~3/4 of pond hot water saturation.
Preferably, in the process method step 2 of the sound-proof material offal PVC and the compound offal of regenerated fiber felt in heat
Soaking time in pond is 0.5~3h.
Preferably, washing powder is alkalescent washing powder, addition laundry in the process method step 3 of the sound-proof material offal
The time that is standing and soak for of PVC and the compound offal of regenerated fiber felt are 0.5~1.5h after powder.
Preferably, PVC is stirred with the compound offal of regenerated fiber felt in the process method step 4 of the sound-proof material offal
Disengaging time is 1~5h.
Beneficial effects of the present invention are：Offal, saving data have been recycled, cost has been reduced, protects the method have the advantages that filling profit
Retaining ring border, required material material are easy to get, are easy to operate, convenient for promoting, and mechanization may be implemented, pipelining is more manual than at that time
Disintegrate-quality is good, efficient, greatly reduces the amount of labour, personnel safety.
Description of the drawings
Fig. 1 is the operation chart of the processing method of sound-proof material offal of the present invention.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Embodiment 1
Refering to Figure 1, the present invention provides a kind of technical solution：A kind of processing method of sound-proof material offal, it is described
The processing method of sound-proof material offal specifically includes following steps：
1) prepares raw material：The hot water of pond hot water saturation 3/4 is injected in clean pond, and cold water adjustment is added
Good pond water temperature inside temperature is 60 DEG C, and the clean PVC of cold water flush and the compound offal of regenerated fiber felt is used in combination；
2) leftover bits and pieces impregnates：The PVC for cleaning and detaching is launched with the compound offal of regenerated fiber felt into hot water
Immersion 3h is carried out in pond, wherein the parts by weight proportioning of hot water and PVC and the compound offal of regenerated fiber felt are 10:8, it impregnates
Blender stirring at low speed in the process；
3) adds washing powder：Washing powder is added simultaneously into the hot water immersed with PVC and the compound offal of regenerated fiber felt again
Stirring melts, wherein hot water, PVC and the parts by weight of the compound offal of regenerated fiber felt and washing powder proportioning are 1000:800:
30, when adding washing powder blender with moderate-speed mixer after stand, be standing and soak for the time be 1.5h；
4) detaches raw material：The PVC and the compound offal of regenerated fiber felt in hot water water are stirred, and is added by control
Entering the amount of hot water and cold water, to carry out monitor water temperature be 60 DEG C, and blender is stirred with high speed, and the sirring and separating time is 5h, guarantee
Hot-tub internal foam layer thickness is the 1/5 of hot water height；
5) pulls separating material out：First the regenerated fiber being completely separated is pulled out and is drained away the water after being rinsed 3 times using clear water,
The clear water of equal volume is added after hot water inside hot-tub is allowed to dry, pull PVC pieces out and drains the water after being rinsed 2 times using clear water
Point；
6) cleans separating material：PVC pieces and regenerated fiber are rinsed repeatedly with 45 DEG C of clean clear water, and detect ejected wash water PH
Value is neutral or alkalescent；
7) dries separating material：By PVC pieces and regenerated fiber be transferred to baking oven either dry inside room maintain baking oven or
It is 45 DEG C to dry temperature inside room, dries PVC pieces and regenerated fiber to get to the PVC pieces and regenerated fiber being completely separated.
Embodiment 2
Refering to Figure 1, the present invention provides a kind of technical solution：A kind of processing method of sound-proof material offal, it is described
The processing method of sound-proof material offal specifically includes following steps：
1) prepares raw material：The hot water of pond hot water saturation 1/2 is injected in clean pond, and cold water adjustment is added
Good pond water temperature inside temperature is 30 DEG C, and the clean PVC of cold water flush and the compound offal of regenerated fiber felt is used in combination；
2) leftover bits and pieces impregnates：The PVC for cleaning and detaching is launched with the compound offal of regenerated fiber felt into hot water
Immersion 0.5h is carried out in pond, wherein the parts by weight proportioning of hot water and PVC and the compound offal of regenerated fiber felt are 10:3, leaching
Blender stirring at low speed during bubble；
3) adds washing powder：Washing powder is added simultaneously into the hot water immersed with PVC and the compound offal of regenerated fiber felt again
Stirring melts, wherein hot water, PVC and the parts by weight of the compound offal of regenerated fiber felt and washing powder proportioning are 1000:300:
5, when adding washing powder blender with moderate-speed mixer after stand, be standing and soak for the time be 0.5h；
4) detaches raw material：The PVC and the compound offal of regenerated fiber felt in hot water water are stirred, and is added by control
Entering the amount of hot water and cold water, to carry out monitor water temperature be 30 DEG C, and blender is stirred with high speed, and the sirring and separating time is 2h, guarantee
Hot-tub internal foam layer thickness is the 1/20 of hot water height；
5) pulls separating material out：First the regenerated fiber being completely separated is pulled out and is drained away the water after being rinsed 2 times using clear water,
The clear water of equal volume is added after hot water inside hot-tub is allowed to dry, pull PVC pieces out and drains the water after being rinsed 1 time using clear water
Point；
6) cleans separating material：PVC pieces and regenerated fiber are rinsed repeatedly with 30 DEG C of clean clear water, and detect ejected wash water PH
Value is neutral or alkalescent；
7) dries separating material：By PVC pieces and regenerated fiber be transferred to baking oven either dry inside room maintain baking oven or
It is 15 DEG C to dry temperature inside room, dries PVC pieces and regenerated fiber to get to the PVC pieces and regenerated fiber being completely separated.
Embodiment 3
Refering to Figure 1, the present invention provides a kind of technical solution：A kind of processing method of sound-proof material offal, it is described
The processing method of sound-proof material offal specifically includes following steps：
1) prepares raw material：The hot water of pond hot water saturation 3/4 is injected in clean pond, and cold water adjustment is added
Good pond water temperature inside temperature is 30 DEG C, and the clean PVC of cold water flush and the compound offal of regenerated fiber felt is used in combination；
2) leftover bits and pieces impregnates：The PVC for cleaning and detaching is launched with the compound offal of regenerated fiber felt into hot water
Immersion 3h is carried out in pond, wherein the parts by weight proportioning of hot water and PVC and the compound offal of regenerated fiber felt are 10:3, it impregnates
Blender stirring at low speed in the process；
3) adds washing powder：Washing powder is added simultaneously into the hot water immersed with PVC and the compound offal of regenerated fiber felt again
Stirring melts, wherein hot water, PVC and the parts by weight of the compound offal of regenerated fiber felt and washing powder proportioning are 1000:300:
30, when adding washing powder blender with moderate-speed mixer after stand, be standing and soak for the time be 0.5h；
4) detaches raw material：The PVC and the compound offal of regenerated fiber felt in hot water water are stirred, and is added by control
Entering the amount of hot water and cold water, to carry out monitor water temperature be 30 DEG C, and blender is stirred with high speed, and the sirring and separating time is 3h, guarantee
Hot-tub internal foam layer thickness is the 1/20 of hot water height；
5) pulls separating material out：First the regenerated fiber being completely separated is pulled out and is drained away the water after being rinsed 3 times using clear water,
The clear water of equal volume is added after hot water inside hot-tub is allowed to dry, pull PVC pieces out and drains the water after being rinsed 1 time using clear water
Point；
6) cleans separating material：PVC pieces and regenerated fiber are rinsed repeatedly with 45 DEG C of clean clear water, and detect ejected wash water PH
Value is neutral or alkalescent；
7) dries separating material：By PVC pieces and regenerated fiber be transferred to baking oven either dry inside room maintain baking oven or
It is 15 DEG C to dry temperature inside room, dries PVC pieces and regenerated fiber to get to the PVC pieces and regenerated fiber being completely separated.
Embodiment 4
Refering to Figure 1, the present invention provides a kind of technical solution：A kind of processing method of sound-proof material offal, it is described
The processing method of sound-proof material offal specifically includes following steps：
1) prepares raw material：The hot water of pond hot water saturation 1/2 is injected in clean pond, and cold water adjustment is added
Good pond water temperature inside temperature is 45 DEG C, and the clean PVC of cold water flush and the compound offal of regenerated fiber felt is used in combination；
2) leftover bits and pieces impregnates：The PVC for cleaning and detaching is launched with the compound offal of regenerated fiber felt into hot water
Immersion 2h is carried out in pond, wherein the parts by weight proportioning of hot water and PVC and the compound offal of regenerated fiber felt are 2:1, it impregnated
Blender stirring at low speed in journey；
3) adds washing powder：Washing powder is added simultaneously into the hot water immersed with PVC and the compound offal of regenerated fiber felt again
Stirring melts, wherein hot water, PVC and the parts by weight of the compound offal of regenerated fiber felt and washing powder proportioning are 40:20:1,
When adding washing powder blender with moderate-speed mixer after stand, be standing and soak for the time be 1.5h；
4) detaches raw material：The PVC and the compound offal of regenerated fiber felt in hot water water are stirred, and is added by control
Entering the amount of hot water and cold water, to carry out monitor water temperature be 45 DEG C, and blender is stirred with high speed, and the sirring and separating time is 3h, guarantee
Hot-tub internal foam layer thickness is the 1/10 of hot water height；
5) pulls separating material out：First the regenerated fiber being completely separated is pulled out and is drained away the water after being rinsed 2 times using clear water,
The clear water of equal volume is added after hot water inside hot-tub is allowed to dry, pull PVC pieces out and drains the water after being rinsed 2 times using clear water
Point；
6) cleans separating material：PVC pieces and regenerated fiber are rinsed repeatedly with 35 DEG C of clean clear water, and detect ejected wash water PH
Value is neutral or alkalescent；
7) dries separating material：By PVC pieces and regenerated fiber be transferred to baking oven either dry inside room maintain baking oven or
It is 25 DEG C to dry temperature inside room, dries PVC pieces and regenerated fiber to get to the PVC pieces and regenerated fiber being completely separated.
In the present invention, offal, saving data have been recycled, has reduced cost, environmental protection, institute the method have the advantages that filling profit
It need to expect that material is easy to get, is easy to operate, convenient for promoting, mechanization, pipelining, than manual disintegrate-quality at that time may be implemented
It is good, efficient, greatly reduce the amount of labour, personnel safety.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (5)
1. a kind of processing method of sound-proof material offal, it is characterised in that：The processing method of the sound-proof material offal is specifically wrapped
Include following steps：
1) prepares raw material：Part hot water is injected in clean pond, and cold water is added adjusts pond water temperature inside temperature and be
30~70 DEG C, the clean PVC of cold water flush and the compound offal of regenerated fiber felt is used in combination；
2) leftover bits and pieces impregnates：The PVC for cleaning and detaching is launched with the compound offal of regenerated fiber felt in hot-tub
It is impregnated, wherein the parts by weight proportioning of hot water and PVC and the compound offal of regenerated fiber felt are 10:3~8, soaking process
Middle blender stirring at low speed；
3) adds washing powder：Washing powder is added into the hot water immersed with PVC with the compound offal of regenerated fiber felt again and stirs
It melts, wherein hot water, PVC and the parts by weight of the compound offal of regenerated fiber felt and washing powder proportioning are 1000:300~
800:5~30, when adding washing powder blender with moderate-speed mixer after stand；
4) detaches raw material：The PVC and the compound offal of regenerated fiber felt in hot water water are stirred, and heat is added by controlling
It is 30~70 DEG C that the amount of water and cold water, which carrys out monitor water temperature, and blender is stirred with high speed, ensures hot-tub internal foam layer
Thickness is the 1/20~1/5 of hot water height；
5) pulls separating material out：First the regenerated fiber being completely separated is pulled out and is drained away the water after being rinsed 2~3 times using clear water, it will
The clear water of equal volume is added in hot water inside hot-tub after being allowed to dry, pull PVC pieces out and drained after being rinsed 1~2 time using clear water
Moisture；
6) cleans separating material：PVC pieces and regenerated fiber are rinsed repeatedly with 30~45 DEG C of clean clear water, and detect ejected wash water PH
Value is neutral or alkalescent；
7) dries separating material：It PVC pieces and regenerated fiber is transferred to baking oven either dries and maintain baking oven or to dry inside room
Temperature inside room is 15~45 DEG C, dries PVC pieces and regenerated fiber to get to the PVC pieces and regenerated fiber being completely separated.
2. a kind of processing method of sound-proof material offal according to claim 1, it is characterised in that：The sound-proof material inferior horn
Hot water temperature in the process method step 1 of material inside pond is 30~60 DEG C, hot water amount be pond hot water saturation 1/2~
3/4。
3. a kind of processing method of sound-proof material offal according to claim 1, it is characterised in that：The sound-proof material inferior horn
PVC and soaking time of the compound offal of regenerated fiber felt in hot-tub are 0.5~3h in the process method step 2 of material.
4. a kind of processing method of sound-proof material offal according to claim 1, it is characterised in that：The sound-proof material inferior horn
Washing powder is alkalescent washing powder in the process method step 3 of material, adds PVC and the compound offal of regenerated fiber felt after washing powder
Be standing and soak for the time be 0.5~1.5h.
5. a kind of processing method of sound-proof material offal according to claim 1, it is characterised in that：The sound-proof material inferior horn
PVC is sirred and separated the time as 1~5h with the compound offal of regenerated fiber felt in the process method step 4 of material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810489930.6A CN108789936A (en) | 2018-05-21 | 2018-05-21 | A kind of processing method of sound-proof material offal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810489930.6A CN108789936A (en) | 2018-05-21 | 2018-05-21 | A kind of processing method of sound-proof material offal |
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| Publication Number | Publication Date |
|---|---|
| CN108789936A true CN108789936A (en) | 2018-11-13 |
Family
ID=64091309
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810489930.6A Pending CN108789936A (en) | 2018-05-21 | 2018-05-21 | A kind of processing method of sound-proof material offal |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1996010054A1 (en) * | 1994-09-29 | 1996-04-04 | Monsanto Company | Improved carpet reclamation process |
| US6610769B1 (en) * | 2000-06-30 | 2003-08-26 | Basf Corporation | Carpet backing adhesive and its use in recycling carpet |
| CN101015945A (en) * | 2007-02-07 | 2007-08-15 | 王永清 | Producing technique for recovering soft PVC containing woven lining |
-
2018
- 2018-05-21 CN CN201810489930.6A patent/CN108789936A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1996010054A1 (en) * | 1994-09-29 | 1996-04-04 | Monsanto Company | Improved carpet reclamation process |
| US6610769B1 (en) * | 2000-06-30 | 2003-08-26 | Basf Corporation | Carpet backing adhesive and its use in recycling carpet |
| CN101015945A (en) * | 2007-02-07 | 2007-08-15 | 王永清 | Producing technique for recovering soft PVC containing woven lining |
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