CN110920161A - Straw-polyester fiber composite material and production process thereof - Google Patents
Straw-polyester fiber composite material and production process thereof Download PDFInfo
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- CN110920161A CN110920161A CN201911074741.3A CN201911074741A CN110920161A CN 110920161 A CN110920161 A CN 110920161A CN 201911074741 A CN201911074741 A CN 201911074741A CN 110920161 A CN110920161 A CN 110920161A
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- 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
- B32B5/08—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 the fibres or filaments of a layer being of different substances, e.g. conjugate fibres, mixture of different fibres
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- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
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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
- 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
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
- B32B37/1284—Application of adhesive
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- 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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- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/08—Interconnection of layers by mechanical means
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- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
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- C09J4/00—Adhesives based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; adhesives, based on monomers of macromolecular compounds of groups C09J183/00 - C09J183/16
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- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2250/00—Layers arrangement
- B32B2250/20—All layers being fibrous or filamentary
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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
- B32B2255/00—Coating on the layer surface
- B32B2255/02—Coating on the layer surface on 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
- B32B2255/00—Coating on the layer surface
- B32B2255/26—Polymeric coating
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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
- B32B2262/02—Synthetic macromolecular fibres
- B32B2262/0276—Polyester fibres
- B32B2262/0284—Polyethylene terephthalate [PET] or polybutylene terephthalate [PBT]
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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
- B32B2262/06—Vegetal 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
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/06—Vegetal fibres
- B32B2262/062—Cellulose fibres, e.g. cotton
- B32B2262/065—Lignocellulosic fibres, e.g. jute, sisal, hemp, flax, bamboo
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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
- B32B2262/14—Mixture of at least two fibres made of different materials
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- 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
- B32B2307/558—Impact strength, toughness
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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
- B32B2307/70—Other properties
- B32B2307/716—Degradable
- B32B2307/7163—Biodegradable
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Abstract
The invention relates to the field of wood-plastic composite materials, and discloses a straw-polyester fiber composite material, which comprises, by mass, 65-75% of straw, 10-20% of coconut palm, 5-10% of polyester fiber and 5-10% of water-based spray glue; also discloses a production process thereof, which comprises the steps of crushing coconut palm, polyester fiber and straw with the water content of 5-10 percent, and mixing to obtain coarse materials; spreading the coarse material on lining cloth, and needling to obtain a layered prefabricated product; and then, hot-pressing and molding the paper and the prefabricated product by using a hot press, wherein the hot pressing pressure is 5-7MPa, the hot pressing time is 2-4s, and the hot pressing temperature is 150-. The straw of the invention does not need to be modified, and the crushed straw is fixed by coconut palm, thereby greatly reducing the using amount of polyester fiber, and reducing the degradation time of the existing wood-plastic composite material while not damaging the mechanical property of the invention.
Description
Technical Field
The invention relates to the field of wood-plastic composite materials, in particular to a straw-polyester fiber composite material and a production process thereof.
Background
The wood-plastic composite material is a composite material formed by a wood material and thermosetting plastic or thermoplastic plastic through an extrusion method, an injection molding method and a pressing method. Wherein the thermosetting plastics comprise epoxy resin, phenolic resin and the like, and the thermoplastic plastics comprise polypropylene, polyethylene, polyvinyl chloride and copolymers thereof and return materials thereof. The wood material includes wood powder, rice bran powder, peanut shell powder, sugarcane, coconut shell powder, etc.
The straw is one of plant resources widely existing in the nature, has good flexibility and excellent strength, and is a degradable renewable green material with wide application value. The ancient times of China have the tradition of using plant resources to manufacture articles for daily use and building materials. The appearance of the high polymer material opens up a wide space for deeply developing and utilizing plant resources, and the high polymer material is compounded with the straws, so that the material can be endowed with proper decomposability, the renewable plant resources are fully utilized, and the consumption of the non-renewable resources is reduced.
The terylene is fiber made from polyethylene terephthalate (PET) which is a fiber-forming high polymer prepared by esterification or ester exchange and polycondensation of PET or dimethyl terephthalate and ethylene glycol, and spinning and post-treatment, and has been reported in the manufacture of straw and high-molecular composite materials. For example, patent application No. 201710022264.0 discloses a composite molded product of straw and textile waste, which is made of straw, textile waste and isocyanate adhesive, and its manufacturing method.
However, the polymer material such as terylene is difficult to degrade, and can only adopt the treatment modes such as burning or landfill, etc., which can cause serious pollution to water resources, air and soil and destroy the ecological environment. The straw is used as an agricultural byproduct, the utilization is low, and the environment can be polluted by incineration treatment, so that the economic benefit of the straw can be increased by compounding the straw with the high polymer material, the resource waste is reduced, and the ecological environment is protected.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a straw-polyester fiber composite material and a production process thereof.
In order to solve the technical problem, the invention is solved by the following technical scheme:
a straw-polyester fiber composite material comprises, by mass, 65-75% of straw, 10-20% of coconut palm, 5-10% of polyester fiber and 5-10% of water-based spray glue.
Preferably, the length of the straw is 3-8cm, the thickness of the straw is 0.01-0.5mm, the length of the coconut palm is 8-15cm, the diameter of the coconut palm is 0.05-0.5mm, and the length of the polyester fiber is 3-8 cm.
Preferably, the aqueous spray glue comprises 40-60% of water, 20-30% of acrylate and 20-30% of styrene.
A production process of straw-polyester fiber composite material comprises the following steps:
(1) crushing coconut palm, polyester fiber and straw with the water content of 5-10%, and mixing to obtain coarse materials;
(2) laying the coarse material on a lining cloth, and needling the coarse material laid on the lining cloth by a needle machine, wherein the needling angle is 60-70 degrees, so as to obtain a layered prefabricated product;
(3) and spraying water-based spray glue on the side of the prefabricated product, which is far away from the lining cloth, placing paper on the side of the prefabricated product, which is close to the non-woven fabric, and then carrying out hot press molding on the paper and the prefabricated product by using a hot press, wherein the hot press pressure is 5-7MPa, the hot press time is 2-4s, and the hot press temperature is 150-210 ℃, so as to obtain the straw-polyester fiber composite material.
The invention selects paper which can withstand the temperature of 150-210 ℃, and the weight of the paper is 30-50g/m2The paper is covered under the lining cloth and is hot-pressed with the prefabricated product, after the lining cloth is melted, the paper is attached to the prefabricated product through the lining cloth, so that the toughness of the straw-polyester fiber composite material can be increasedAnd the lining cloth melted by hot pressing can be isolated from the hot press, so that the straw-polyester fiber composite material is prevented from being adhered to the hot press.
The invention selects the straws as the raw materials of the wood-plastic composite material, not only because the straws have large volume and low cost, but also because the straws have higher toughness than the corn straws. However, the straw has a wax layer on its surface, so that it is not good to bond it directly with glue.
The invention utilizes the mixed needling of coconut palm, straw and polyester fiber, because the coconut palm is a filamentous substance extracted from coconut shells, and the diameter of the coconut palm is far smaller than that of the straw, the coconut palm can be used for fixing the straw and the polyester fiber, and the straw, the straw and the polyester fiber are fixed by the binding action similar to rope, at the moment, the coarse material is further fixed by spraying water-based glue spraying, and finally the straw-polyester fiber composite material is obtained by hot press molding.
Preferably, the method further comprises the step of coating a surface of the prefabricated product, which faces away from the lining cloth, on the surface of the prefabricated product, after the water-based glue spraying is carried out on the surface of the prefabricated product, the paper or the cloth is flatly laid on the surface, which faces away from the lining cloth, of the prefabricated product, and the paper or the cloth is adhered to the prefabricated product through the water-based glue spraying.
Preferably, in the step (1), the lengths of the crushed straws and the polyester fibers are both 3-8cm, the thickness of the crushed straws is 0.01-0.5mm, the length of the coconut palm is 8-15cm, and the diameter of the coconut palm is 0.05-0.5 mm.
Preferably, in the step (1), the mass percent of the straw is 65-75%, the mass percent of the coconut palm is 10-20%, and the mass percent of the polyester fiber is 5-10%.
Preferably, in the step (2), the lining cloth comprises a polyethylene non-woven cloth or a polyethylene woven bag.
Preferably, in the step (3), the mass percent of the water-based spray glue is 5-10%, and the water-based spray glue comprises 40-60% of water, 20-30% of acrylate and 20-30% of styrene.
Due to the adoption of the technical scheme, the invention has the remarkable technical effects that:
the straw of the invention does not need to be modified, and the crushed straw is fixed by coconut palm, thereby greatly reducing the using amount of polyester fiber, and reducing the degradation time of the existing wood-plastic composite material while not damaging the mechanical property of the invention.
The straw-polyester fiber composite material also has certain impact resistance, can be used as a protective sleeve for packaging high-end door plates and preventing the door plates from being damaged; in addition, the pearl wool can be replaced when in decoration, and the pearl wool can be paved on the bottom plate to protect the floor.
The invention can adopt various recycled polyester fibers and agricultural and sideline products of straw and coconut palm, thus being beneficial to slowing down the pollution of plastic wastes and reducing the pollution of the environment caused by burning agricultural wastes; meanwhile, the using amount of the polyester fiber is far lower than that of the straw, so that the obtained straw-polyester fiber composite material meets the environmental protection requirement, the production cost is reduced, and the industrial production is facilitated.
Detailed Description
The present invention will be described in further detail with reference to examples.
Example 1
A straw-polyester fiber composite material comprises 75% of straw, 15% of coconut palm, 5% of polyester fiber and 5% of water-based spray glue by mass percent.
The length of the straw is 3-5cm, the thickness of the straw is 0.01-0.5mm, the length of the coconut palm is 3-5cm, the diameter of the coconut palm is 0.05-0.5mm, and the length of the polyester fiber is 3-5 cm.
The water-based spray glue comprises 40% of water, 30% of acrylate and 30% of styrene.
A production process of straw-polyester fiber composite material comprises the following steps:
(1) crushing coconut palm, polyester fiber and straw with the water content of 5-10%, and mixing to obtain coarse materials;
(2) laying the coarse material on a lining cloth, and needling the coarse material laid on the lining cloth by a needle machine, wherein the needling angle is 60 degrees to obtain a layered prefabricated product;
(3) and spraying water-based spray glue on the side of the prefabricated product, which is far away from the lining cloth, placing paper on the side of the prefabricated product, which is close to the non-woven fabric, and then carrying out hot press molding on the paper and the prefabricated product by using a hot press, wherein the hot press pressure is 5MPa, the hot press time is 4s, and the hot press temperature is 210 ℃, so as to obtain the straw-polyester fiber composite material.
In the step (1), the lengths of the crushed straws and the polyester fibers are both 3-8cm, the thickness of the crushed straws is 0.01-0.5mm, the length of the coconut palm is 8-15cm, and the diameter of the coconut palm is 0.05-0.5 mm.
In the step (1), the mass percent of the straw is 75%, the mass percent of the coconut palm is 15% and the mass percent of the polyester fiber is 5%.
In the step (2), the lining cloth comprises polypropylene non-woven fabric.
In the step (3), the mass percent of the water-based spray adhesive is 5%, and the water-based spray adhesive comprises 40% of water, 30% of acrylate and 30% of styrene.
Example 2
A straw-polyester fiber composite material comprises, by mass, 65% of straw, 15% of coconut palm, 10% of polyester fiber and 10% of water-based spray glue.
The length of the straw is 3-5cm, the thickness of the straw is 0.01-0.5mm, the length of the coconut palm is 3-5cm, the diameter of the coconut palm is 0.05-0.5mm, and the length of the polyester fiber is 3-5 cm.
The water-based spray glue comprises 60% of water, 20% of acrylate and 20% of styrene.
A production process of straw-polyester fiber composite material comprises the following steps:
(1) crushing coconut palm, polyester fiber and straw with the water content of 5-10%, and mixing to obtain coarse materials;
(2) laying the coarse material on a lining cloth, and needling the coarse material laid on the lining cloth by a needle machine, wherein the needling angle is 70 degrees to obtain a layered prefabricated product;
(3) spraying water-based spray glue on the side of the prefabricated product, which is far away from the lining cloth, placing paper on the side of the prefabricated product, which is close to the non-woven fabric, and then hot-pressing and molding the paper and the prefabricated product by using a hot press, wherein the hot-pressing pressure is 7MPa, the hot-pressing time is 2s, and the hot-pressing temperature is 150 ℃, so that the straw-polyester fiber composite material is obtained
The surface coating film is coated on the prefabricated product and deviates from the lining cloth, after the water-based glue spraying is carried out on the surface of the prefabricated product, the cloth is flatly laid on the surface of the prefabricated product, which deviates from the lining cloth, and the cloth is adhered to the prefabricated product through the water-based glue spraying.
In the step (1), the lengths of the crushed straws and the polyester fibers are both 3-8cm, the thickness of the crushed straws is 0.01-0.5mm, the length of the coconut palm is 8-15cm, and the diameter of the coconut palm is 0.05-0.5 mm.
In the step (1), the mass percent of the straws is 65%, the mass percent of the coconut palm is 15% and the mass percent of the polyester fibers is 10%.
In the step (2), the lining cloth comprises a polyethylene woven bag.
In the step (3), the mass percent of the water-based spray adhesive is 10%, and the water-based spray adhesive comprises 60% of water, 20% of acrylic ester and 20% of styrene.
Example 3
A straw-polyester fiber composite material comprises, by mass, 70% of straw, 10% of coconut palm, 10% of polyester fiber and 10% of water-based spray glue.
The length of the straw is 3-5cm, the thickness of the straw is 0.01-0.5mm, the length of the coconut palm is 3-5cm, the diameter of the coconut palm is 0.05-0.5mm, and the length of the polyester fiber is 3-5 cm.
The water-based spray glue comprises 50% of water, 25% of acrylate and 25% of styrene.
A production process of straw-polyester fiber composite material comprises the following steps:
(1) crushing coconut palm, polyester fiber and straw with the water content of 5-10%, and mixing to obtain coarse materials;
(2) laying the coarse material on a lining cloth, and needling the coarse material laid on the lining cloth by a needle machine at a needling angle of 65 degrees to obtain a layered prefabricated product;
(3) and spraying water-based spray glue on the side of the prefabricated product, which is far away from the lining cloth, placing paper on the side of the prefabricated product, which is close to the non-woven fabric, and then carrying out hot press molding on the paper and the prefabricated product by using a hot press, wherein the hot press pressure is 6MPa, the hot press time is 3s, and the hot press temperature is 180 ℃, so as to obtain the straw-polyester fiber composite material.
The surface coating film is coated on the prefabricated product and is away from the lining cloth, after the water-based glue spraying is carried out on the surface of the prefabricated product, the paper is flatly laid on the surface, away from the lining cloth, of the prefabricated product, and the paper is adhered to the prefabricated product through the water-based glue spraying.
In the step (1), the lengths of the crushed straws and the polyester fibers are both 3-8cm, the thickness of the crushed straws is 0.01-0.5mm, the length of the coconut palm is 8-15cm, and the diameter of the coconut palm is 0.05-0.5 mm.
In the step (1), the mass percent of the straws is 70%, the mass percent of the coconut palm is 10% and the mass percent of the polyester fibers is 10%.
In the step (2), the lining cloth comprises polypropylene non-woven fabric.
In the step (3), the mass percent of the water-based spray adhesive is 10%, and the water-based spray adhesive comprises 50% of water, 25% of acrylate and 25% of styrene.
Comparative example 1
The same as example 3, except that the straw-polyester fiber composite material of the comparative example, which does not include coconut fiber, comprises 70% of straw, 10% of polyester fiber and 20% of water-based spray glue by mass percent.
Comparative example 2
The same as example 3, except that the comparative example comprises 70% by mass of straw, 3% by mass of coconut coir, 10% by mass of polyester fiber and 17% by mass of water-based spray glue.
Comparative example 3
The difference from example 3 is that in this comparative example, the length of straw is less than 1cm, the length of coconut palm is greater than 19cm, and the length of polyester fiber is less than 2.5 cm.
Comparative example 4
The difference from example 3 is that in this comparative example, the length of the straw is greater than 8cm, the length of the coconut palm is less than 2cm, and the length of the polyester fiber is greater than 7 cm.
Compared with the comparative examples 1-4, the straw-polyester fiber composite material obtained in example 3 can be adhered to form a whole, while the straw-polyester fiber composite material obtained in the comparative examples 1-4 is loose and cannot be formed, and cannot be applied to packaging or laying on the surface of an article needing anti-collision or anti-scratch.
In summary, the above-mentioned embodiments are only preferred embodiments of the present invention, and all equivalent changes and modifications made in the claims of the present invention should be covered by the claims of the present invention.
Claims (9)
1. A straw-polyester fiber composite material is characterized in that: the composite material comprises, by mass, 65-75% of straw, 10-20% of coconut palm, 5-10% of polyester fiber and 5-10% of water-based spray glue.
2. The straw-polyester fiber composite material of claim 1, wherein: the length of the straw is 3-8cm, the thickness of the straw is 0.01-0.5mm, the length of the coconut palm is 8-15cm, the diameter of the coconut palm is 0.05-0.5mm, and the length of the polyester fiber is 3-8 cm.
3. The straw-polyester fiber composite material of claim 1, wherein: the water-based spray glue comprises 40-60% of water, 20-30% of acrylate and 20-30% of styrene.
4. A production process of straw-polyester fiber composite material is characterized by comprising the following steps:
(1) crushing coconut palm, polyester fiber and straw with the water content of 5-10%, and mixing to obtain coarse materials;
(2) laying the coarse material on a lining cloth, and needling the coarse material laid on the lining cloth by a needle machine, wherein the needling angle is 60-70 degrees, so as to obtain a layered prefabricated product;
(3) and spraying water-based spray glue on the side of the prefabricated product, which is far away from the lining cloth, placing paper on the side of the prefabricated product, which is close to the non-woven fabric, and then carrying out hot press molding on the paper and the prefabricated product by using a hot press, wherein the hot press pressure is 5-7MPa, the hot press time is 2-4s, and the hot press temperature is 150-210 ℃, so as to obtain the straw-polyester fiber composite material.
5. The production process of straw-polyester fiber composite material as claimed in claim 4, wherein: the surface coating film which is far away from the lining cloth is arranged on the prefabricated product, after the water-based glue spraying is carried out on the surface of the prefabricated product, the paper or the cloth is flatly laid on the surface, far away from the lining cloth, of the prefabricated product, and the paper or the cloth is adhered to the prefabricated product through the water-based glue spraying.
6. The production process of straw-polyester fiber composite material as claimed in claim 4, wherein: in the step (1), the lengths of the crushed straws and the polyester fibers are both 3-8cm, the thickness of the crushed straws is 0.01-0.5mm, the length of the coconut palm is 8-15cm, and the diameter of the coconut palm is 0.05-0.5 mm.
7. The production process of straw-polyester fiber composite material as claimed in claim 4, wherein:
in the step (1), the mass percent of the straws is 65-75%, the mass percent of the coconut palm is 10-20%, and the mass percent of the polyester fibers is 5-10%.
8. The production process of straw-polyester fiber composite material as claimed in claim 4, wherein:
in the step (2), the lining cloth comprises polyethylene non-woven fabrics or polyethylene woven bags.
9. The production process of straw-polyester fiber composite material as claimed in claim 4, wherein:
in the step (3), the mass percent of the water-based spray adhesive is 5-10%, and the water-based spray adhesive comprises 40-60% of water, 20-30% of acrylate and 20-30% of styrene.
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| CN201911074741.3A CN110920161A (en) | 2019-11-06 | 2019-11-06 | Straw-polyester fiber composite material and production process thereof |
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| CN1368913A (en) * | 1999-08-13 | 2002-09-11 | 麦特索控制板有限公司 | Method and device for producing moulded parts |
| CN1311361A (en) * | 2001-02-27 | 2001-09-05 | 东华大学 | Forming process and its equipment for straw fibre felt |
| CN2526165Y (en) * | 2001-11-21 | 2002-12-18 | 刘东立 | Thermoplastic three-layer composite board made of natural fibre |
| CN2750921Y (en) * | 2004-12-29 | 2006-01-11 | 北京林枫园林绿化工程有限公司 | Ecologic vegetation blanket |
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