CN105690969A - Method for manufacturing regenerated non-woven fiber/plastic composite boards - Google Patents
Method for manufacturing regenerated non-woven fiber/plastic composite boards Download PDFInfo
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- CN105690969A CN105690969A CN201610097422.4A CN201610097422A CN105690969A CN 105690969 A CN105690969 A CN 105690969A CN 201610097422 A CN201610097422 A CN 201610097422A CN 105690969 A CN105690969 A CN 105690969A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
- B32B5/022—Non-woven fabric
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/10—Inorganic fibres
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2305/00—Condition, form or state of the layers or laminate
- B32B2305/10—Fibres of continuous length
- B32B2305/20—Fibres of continuous length in the form of a non-woven mat
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2305/00—Condition, form or state of the layers or laminate
- B32B2305/38—Meshes, lattices or nets
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/10—Properties of the layers or laminate having particular acoustical properties
- B32B2307/102—Insulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/30—Properties of the layers or laminate having particular thermal properties
- B32B2307/304—Insulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/554—Wear resistance
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/724—Permeability to gases, adsorption
- B32B2307/7242—Non-permeable
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/726—Permeability to liquids, absorption
- B32B2307/7265—Non-permeable
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2419/00—Buildings or parts thereof
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Nonwoven Fabrics (AREA)
- Dry Formation Of Fiberboard And The Like (AREA)
Abstract
The invention discloses a method for manufacturing regenerated non-woven fiber/plastic composite boards. The method includes cleaning abandoned non-woven fabrics by the aid of high-pressure water, detergents, dilute alkali, dilute acid and distilled water respectively, drying the non-woven fabrics and splitting the non-woven fabrics to obtain regenerated short fibers; carrying out airflow network forming on the regenerated fibers to obtain three-dimensional fiber networks, carrying out hot-press molding on the three-dimensional fiber networks and plastic matrixes in a vacuum press machine to obtain the regenerated non-woven fiber/plastic composite boards. The method for manufacturing the regenerated non-woven fiber/plastic composite boards has the advantages that the regenerated non-woven fiber/plastic composite boards are manufactured by means of hot-press molding, processes are simple, the method has low requirements on equipment, a way of turning waste into wealth can be found for the non-degradable abandoned non-woven fabrics by the method for manufacturing the regenerated non-woven fiber/plastic composite boards, accordingly, resources can be recycled, and environmental stress can be effectively relieved; the regenerated non-woven fiber/plastic composite boards are high in strength and easy to construct, are abrasion-resistant, impact-resistant, corrosion-resistant, sound-insulation, heat-insulation and attractive; chemical reagents such as adhesive are omitted, accordingly, formaldehyde emission can be effectively reduced, environments can be effectively protected, and the like.
Description
Technical field
The present invention relates to a kind of substitution of resources product of building materials field, be specifically related to a kind of method utilizing discarded non-woven fabrics to prepare building materials composite panel of plastic material。
Background technology
At present, the process of discarded non-woven fabrics has become as the problem that protection environment is urgently to be resolved hurrily, the non-woven fabrics being used for oil strain about 1.5 tons that only a small-sized aluminium sheet factory is discarded every year, and along with expanding economy, the non-woven fabrics that the industry such as edible oil, beverage is discarded is also increasing。According to incompletely statistics, the discarded non-woven fabrics ton about up to ten thousand crossing oil strain that the annual industry-by-industry in Henan Province is discarded, these non-woven fabrics small parts make deadening felt, booth thermal insulation cotton etc. through fibrillation, and wherein most implements burning operation or adopts burying method not only to cause atmospheric pollution, occupy a large amount of soil, also result in the wasting of resources。
In recent years, along with the swift and violent growth of Chinese real estate, infrastructure is put into and strengthens by country, and the materials for construction of China had become the second largest pillar industry of plastic industry already, and average annual growth rate is more than 15%。The employing building materials not only light weight that regeneration non-woven fabrics fiber/composite panel of plastic material replacement is traditional, cost are low, easy construction, also there is high-strength wearable, shock resistance, anticorrosive, weather-proof, waterproof fireproofing, the advantage such as elegant in appearance, it is important that can be that the recycling of discarded non-woven fabrics open a new path。
Summary of the invention
The present invention was aiming at the discarded non-woven fabrics of oil strain, it is provided that one simply can turn waste into wealth, the method for preparation regeneration non-woven fabrics fiber/composite panel of plastic material。This preparation technology flow process is simple, and equipment requirements is low, and prepared regeneration non-woven fabrics fiber/composite panel of plastic material has good mechanical performance。It is possible not only to solve the process problem of discarded non-woven fabrics, alleviates enterprise and ambient pressure, be also expected to substitute some traditional construction materials largely and be widely used in building trade。
For realizing this purpose, the present invention by the following technical solutions:
A kind of preparation method of non-woven fabrics regenerated fiber/composite panel of plastic material for building, step is as follows:
(1) clean: discarded non-woven fabrics is carried out and dries；
(2) fibrillation: the non-woven fabrics after cleaning carries out fibrillation and obtains regeneration staple；
(3) air lay: regenerated fiber generates three-dimensional network through air lay；
(4) hot-forming: the three-dimensional fiber that a certain amount of polymer uniform is layered on above-mentioned different-thickness is online, and in vacuum press, hot pressing obtains the non-woven fabrics regenerated fiber/composite panel of plastic material with higher force performance。
Cleaning in described step (1) be discarded non-woven fabrics first pass through water under high pressure (10-20MPa) rinse out dust above and floating thing, again with detergent remove greasy dirt, last respectively through diluted alkaline (2-5mol/L) with diluted acid (2-5mol/L) process。
In described step (4), the quality of three-dimensional network accounts for the 1-40% of composite plate quality。
In described step (4), polymer can be the general-purpose plastics such as high density polyethylene (HDPE), linear low density polyethylene, polypropylene, polrvinyl chloride, it is also possible to is the engineering plastics such as Merlon, polyformaldehyde。
In described step (4), hot-forming process conditions are pressure is 5-10MPa, and hot pressing time is 8-15min, and hot pressing temperature is higher than melting point polymer 20-30 DEG C。
Beneficial effects of the present invention: the preparation method of (1) non-woven fabrics regenerated fiber/composite panel of plastic material provided by the invention, mainly through hot-forming method, technique is simple, and equipment requirements is low。(2) this invention is mainly for the discarded non-woven fabrics crossing oil strain, and early stage processes simpler, it is not necessary to through screening, classification, cleans link and is also generally suitable for。(3) adopt the present invention to prepare non-woven fabrics regenerated fiber/composite panel of plastic material, have found an approach turned waste into wealth for nondegradable discarded non-woven fabrics, it is achieved while resource reutilization, also effectively alleviate ambient pressure。(4) compared with conventional building board, non-woven fabrics regenerated fiber/composite panel of plastic material not only has the advantages such as high-strength wearable, waterproof leakproof, anticorrosive, sound-insulating and heat-insulating, attractive in appearance, easy construction, and avoid using the chemical reagent such as binding agent, effectively reduce the discharge of formaldehyde, more environmental protection。
Accompanying drawing explanation
Fig. 1 is the Mechanics Performance Testing curve of regeneration non-woven fabrics fiber/PP composite plate that embodiment 1 prepares。
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is expanded on further。
Embodiment 1
The preparation method of the regeneration non-woven fabrics fiber/PP composite plate of the present embodiment, step is as follows:
(1) clean: discarded non-woven fabrics washs with water under high pressure (15MPa), detergent (being mainly composed of sodium alkyl sulfonate and fatty alcohol-ether sodium sulfate), diluted alkaline (2mol/L), diluted acid (2mol/L), distilled water respectively, and in 130 DEG C of dry 2h；
(2) fibrillation: above-mentioned clean non-woven fabrics is carried out fibrillation and obtains regeneration staple；
(3) air lay: regeneration staple is formed three-dimensional network through air lay；
(4) hot-forming: a certain amount of polypropylene granules (fusing point is 167 DEG C) uniform spreading is online at above-mentioned three-dimensional fiber, hot pressing 10min at 180 DEG C of temperature and 10MPa pressure, the regeneration non-woven fabrics fiber/PP composite plate with better mechanical property can be obtained。Wherein, the quality of three-dimensional network accounts for the 15% of composite plate quality。
The Mechanics Performance Testing curve of regeneration non-woven fabrics fiber/PP composite plate that the present embodiment prepares is as shown in Figure 1, as seen from the figure, increase with regenerated fiber amount, the intensity of composite plate is greatly improved, when the content of regenerated fiber is 14%, the fracture strength of regeneration non-woven fabrics fiber/PP composite plate improves 67% compared with pure PP plate。Meanwhile, the elongation at break of composite plate is also improved, and toughness is about 1.4 times of pure PP。Additionally, be brittle fracture during pure PP plate stretching, and with the increase of fiber content, the interface cohesion effect between fiber and PP is relatively strong, gradually becomes ductile rupture。
Embodiment 2
The preparation method of the regeneration non-woven fabrics fiber/HDPE composite plate of the present embodiment, step is as follows:
(1) clean: discarded non-woven fabrics washs with water under high pressure (10MPa), detergent (being mainly composed of sodium alkyl sulfonate and fatty alcohol-ether sodium sulfate), diluted alkaline (5mol/L), diluted acid (5mol/L), distilled water respectively, and in 130 DEG C of dry 2h；
(2) fibrillation: above-mentioned clean non-woven fabrics is carried out fibrillation and obtains regeneration staple；
(3) air lay: regeneration staple is formed three-dimensional network through air lay；
(4) hot-forming: by online at above-mentioned three-dimensional fiber for a certain amount of HDPE pellet (fusing point is 135 DEG C) uniform spreading, hot pressing 15min at 165 DEG C of temperature and 7MPa pressure, can obtaining the regeneration non-woven fabrics fiber/HDPE composite plate with better mechanical property, wherein the quality of three-dimensional network accounts for the 5% of composite plate quality。
Embodiment 3
The preparation method of the regeneration non-woven fabrics fiber/LLDPE composite plate of the present embodiment, step is as follows:
(1) clean: discarded non-woven fabrics washs with water under high pressure (20MPa), detergent (being mainly composed of sodium alkyl sulfonate and fatty alcohol-ether sodium sulfate), diluted alkaline (3mol/L), diluted acid (3mol/L), distilled water respectively, and in 130 DEG C of dry 2h；
(2) fibrillation: above-mentioned clean non-woven fabrics is carried out fibrillation and obtains regeneration staple；
(3) air lay: regeneration staple is formed three-dimensional network through air lay；
(4) hot-forming: by online at above-mentioned three-dimensional fiber for a certain amount of LLDPE pellet (fusing point is 123 DEG C) uniform spreading, hot pressing 8min at 143 DEG C of temperature and 5MPa pressure, regeneration non-woven fabrics fiber/LLDPE the composite plate with better mechanical property can be obtained, wherein, the quality of three-dimensional network accounts for the 1% of composite plate quality。
Embodiment 4
The preparation method of the regeneration non-woven fabrics fiber/PVC composite plate of the present embodiment, step is as follows:
(1) clean: discarded non-woven fabrics washs with water under high pressure (10MPa), detergent (being mainly composed of sodium alkyl sulfonate and fatty alcohol-ether sodium sulfate), diluted alkaline (5mol/L), diluted acid (5mol/L), distilled water respectively, and in 130 DEG C of dry 2h；
(2) fibrillation: above-mentioned clean non-woven fabrics is carried out fibrillation and obtains regeneration staple；
(3) air lay: regeneration staple is formed three-dimensional network through air lay；
(4) hot-forming: by online at above-mentioned regenerated fiber for a certain amount of PVC pellet uniform spreading, hot pressing 10min at 180 DEG C of temperature and 10MPa pressure, regeneration non-woven fabrics fiber/PVC the composite plate with better mechanical property can be obtained, wherein, the mass fraction of three-dimensional network is the 20% of composite plate。
Embodiment 5
The preparation method of the regeneration non-woven fabrics fiber/PVC composite plate of the present embodiment, step is as follows:
(1) clean: discarded non-woven fabrics washs with water under high pressure (10MPa), detergent (being mainly composed of sodium alkyl sulfonate and fatty alcohol-ether sodium sulfate), diluted alkaline (5mol/L), diluted acid (5mol/L), distilled water respectively, and in 130 DEG C of dry 2h；
(2) fibrillation: above-mentioned clean non-woven fabrics is carried out fibrillation and obtains regeneration staple；
(3) air lay: regeneration staple is formed three-dimensional network through air lay；
(4) hot-forming: by online at above-mentioned regenerated fiber for a certain amount of PVC pellet uniform spreading, hot pressing 15min at 165 DEG C of temperature and 10MPa pressure, regeneration non-woven fabrics fiber/PVC the composite plate with better mechanical property can be obtained, wherein, the quality of three-dimensional network accounts for the 30% of composite plate quality。
Embodiment 6
The preparation method of the regeneration non-woven fabrics fiber/LLDPE composite plate of the present embodiment, step is as follows:
(1) clean: discarded non-woven fabrics washs with water under high pressure (20MPa), detergent (being mainly composed of sodium alkyl sulfonate and fatty alcohol-ether sodium sulfate), diluted alkaline (3mol/L), diluted acid (3mol/L), distilled water respectively, and in 130 DEG C of dry 2h；
(2) fibrillation: above-mentioned clean non-woven fabrics is carried out fibrillation and obtains regeneration staple；
(3) air lay: regeneration staple is formed three-dimensional network through air lay；
(4) hot-forming: by online at above-mentioned three-dimensional fiber for a certain amount of LLDPE pellet (fusing point is 123 DEG C) uniform spreading, hot pressing 10min at 153 DEG C of temperature and 8MPa pressure, regeneration non-woven fabrics fiber/LLDPE the composite plate with better mechanical property can be obtained, wherein, the quality of three-dimensional network accounts for the 40% of composite plate quality。
The ultimate principle of the present invention and principal character and advantages of the present invention have more than been shown and described。Skilled person will appreciate that of the industry; the present invention is not restricted to the described embodiments; described in above-described embodiment and description is that principles of the invention is described; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements both fall within the claimed scope of the invention。Claimed scope is defined by appending claims and equivalent thereof。
Claims (5)
1. the preparation method of non-woven fabrics regenerated fiber/composite panel of plastic material, it is characterised in that step is as follows:
(1) clean: discarded non-woven fabrics is carried out and dries；
(2) fibrillation: the non-woven fabrics after cleaning obtains regeneration staple by fibrillation；
(3) air lay: regeneration staple is generated three-dimensional network through air lay；
(4) hot-forming: polymer uniform to be layered on the three-dimensional fiber that step (3) obtains online, hot-forming in vacuum press prepare non-woven fabrics regenerated fiber/composite panel of plastic material。
2. the preparation method of non-woven fabrics regenerated fiber/composite panel of plastic material according to claim 1, it is characterised in that: the cleaning in described step (1) be discarded non-woven fabrics is first passed through high pressure water flushing wash off the dust above non-woven fabrics and floating thing, again with detergent remove greasy dirt, last respectively through the alkali liquor of 2-5mol/L, the acid solution of 2-5mol/L and distilled water wash。
3. the preparation method of non-woven fabrics regenerated fiber/composite panel of plastic material according to claim 1, it is characterised in that: in described step (4), the content of three-dimensional network accounts for the 1-40% of composite plate quality。
4. the preparation method of non-woven fabrics regenerated fiber/composite panel of plastic material according to claim 1, it is characterised in that: in described step (4), polymer is high density polyethylene (HDPE), linear low density polyethylene, polypropylene, polrvinyl chloride, Merlon or polyformaldehyde。
5. the preparation method of non-woven fabrics regenerated fiber/composite panel of plastic material according to claim 1, it is characterized in that: process conditions hot-forming in described step (4) are pressure is 5-10MPa, hot pressing time is 8-15min, and hot pressing temperature is higher than melting point polymer 20-30 DEG C。
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| CN201610097422.4A CN105690969B (en) | 2016-02-23 | 2016-02-23 | A kind of preparation method for regenerating non-woven fabrics fiber/composite panel of plastic material |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109867908A (en) * | 2017-12-05 | 2019-06-11 | 广州金发碳纤维新材料发展有限公司 | A kind of manufacturing method of the fibre reinforced sheet moulding material of high fluidity |
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| JPH01158376A (en) * | 1987-12-16 | 1989-06-21 | Toshiba Corp | Optical distance measuring apparatus |
| CN1054026A (en) * | 1990-06-16 | 1991-08-28 | 刘卞善 | Chemical fibre plate and manufacture method thereof and equipment |
| CN101607457A (en) * | 2008-06-20 | 2009-12-23 | 蒋建明 | A kind of fiber mesh plastic board and preparation method thereof |
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2016
- 2016-02-23 CN CN201610097422.4A patent/CN105690969B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH01158376A (en) * | 1987-12-16 | 1989-06-21 | Toshiba Corp | Optical distance measuring apparatus |
| CN1054026A (en) * | 1990-06-16 | 1991-08-28 | 刘卞善 | Chemical fibre plate and manufacture method thereof and equipment |
| CN101607457A (en) * | 2008-06-20 | 2009-12-23 | 蒋建明 | A kind of fiber mesh plastic board and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109867908A (en) * | 2017-12-05 | 2019-06-11 | 广州金发碳纤维新材料发展有限公司 | A kind of manufacturing method of the fibre reinforced sheet moulding material of high fluidity |
| CN109867908B (en) * | 2017-12-05 | 2021-09-03 | 广州金发碳纤维新材料发展有限公司 | Manufacturing method of high-fluidity carbon fiber reinforced sheet die-pressing material |
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