CN102919089B - Lawn protective material and manufacturing method thereof - Google Patents

Lawn protective material and manufacturing method thereof Download PDF

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Publication number
CN102919089B
CN102919089B CN201210462325.2A CN201210462325A CN102919089B CN 102919089 B CN102919089 B CN 102919089B CN 201210462325 A CN201210462325 A CN 201210462325A CN 102919089 B CN102919089 B CN 102919089B
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base material
woven base
flat filament
lawn protection
raw material
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CN201210462325.2A
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CN102919089A (en
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赵照
刘活蓬
杜秋莲
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FSPG Hi Tech Co Ltd
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FSPG Hi Tech Co Ltd
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Abstract

The invention provides a lawn protective material, which comprises a woven base material and a curtain coating layer. The woven base material is weaved by ribbon-like filaments produced by ribbon-like filament materials containing a first high polymer; the curtain coating layer is formed by coating materials containing a second high polymer and a foaming agent. The curtain coating layer is coated on the woven base material and composited with the woven base material. The curtain coating layer is a threading membrane in a fishing net shape. The curtain coating layer is provided with a plurality of through holes formed by foaming. Lawn protective cloth is produced in the way of weaving composite plastics, so that the product is high in strength, attractive, good in anti-aging effect, convenient to use, easy to detach, repeatedly used, low in cost and high in cost performance. The woven base material layer provides strength support for product. The fishing net-shaped curtain coating layer fixes the ribbon-like filaments of the woven base material, so that the product has the function of dredging water and ventilating, and is high in strength and anti-aging.

Description

A kind of lawn protection material and manufacture method thereof
Technical field
The present invention relates to a kind of lawn protection material and manufacture method thereof.
Background technology
Along with improving constantly of economic development and living standards of the people, and the motion such as golf, football is constantly universal, public leisure with and sporting lawn build more and more.On the other hand, because heavy snow overstocks, the walking of people when busy pass through even vehicle and the many reasons such as pass through, this lawn is easy to be subject to exerting pressure destruction.
Chinese patent 200780031666.1 discloses a kind of grass protection mat that can be used in the turf in protection golf course, grassland and lawn, park or can be used in turf growth.This grass protection mat comprises that formation turf passes through the body part in space; The protrusion pillar forming at the top place of body part; The protrusion member forming at the bottom place of body part; With the external frame at outer wall place of being located at body part.Grass protection mat also comprises: the anti-sedimentation apparatus forming at the bottom place of neonychium, traverse turf and pass through spatial placement; The anti-sedimentation apparatus of elastically deformable; Offer the neonychium anti-skidding device of anti-sedimentation apparatus; And anti-skidding device.The defect of this scheme is that complex structure, dismounting difficulty, cost are high.
Chinese patent 200710192407.9 discloses a kind of super-hydrophobic high-density polyethylene film and preparation method thereof.First take a certain amount of high density polyethylene (HDPE) particle and be dissolved in dimethylbenzene in 100~140 DEG C, the high density polyethylene (HDPE) solution that to form concentration be 1~50MG/ML; Again toward 1%~60% the ethanol that is incorporated as liquor capacity in high density polyethylene (HDPE) solution; Adopting the tape casting to spread in substrate adding the high density polyethylene (HDPE) solution of ethanol, is 60~75% in relative humidity, and temperature is under the environment of 5~25 DEG C dry 8~12 hours, and gained white film is super-hydrophobic high-density polyethylene film.
Chinese patent 201020211885.7 discloses a kind of Multilayer case material, this Multilayer case material is from the inside to the outside successively by lining, form with compound foaming layer, the color printing layer of lining and the cast layer covering on color printing layer, foaming layer is processes for chemically crosslinked polyethylene expanded material, and color printing layer is the print film of the white LLDPE of magnetic.
Chinese patent 200520113363.2 discloses a kind of low pollution low consumption composite material coiled material, belongs to laminates technical field, reduces consumptive material, simplifies production technology and meet the problem of environmental requirement for solving.It is formed by top layer, mid portion and base part pressing, and its improvement is: top layer is made up of BOPP transparent film layer or PE highly transparent film, and bottom surface, top layer is printed on pattern.
Chinese patent 03206158.7 discloses a kind of three layers of PVC foamed composite sheet, and it comprises foam polyvinyl chloride bottom eyelet fabric, intermediate layer and foam polyvinyl chloride surface layer.Bottom is smooth and have with reticulate pattern laidly accordingly, and surface layer has the corresponding embossment line of reticulate pattern with eyelet fabric.
Therefore, how to provide a kind of lawn protection material simple in structure, easy-to-dismount to become the problem that industry need to solve.
Summary of the invention
One of object of the present invention is to provide a kind of simple in structure, easy-to-dismount lawn protection material.
Another object of the present invention is to provide the manufacture method of this lawn protection material.
On the one hand, to achieve these goals, the invention provides a kind of lawn protection material, it comprises woven base material and cast layer; Wherein, the flat filament braiding that woven base material is produced with the flat filament raw material that comprises the first high polymer forms; Cast layer forms with the coating raw material that comprises the second high polymer and blowing agent; Cast layer is coated on woven base material, and itself and woven base material are compound; Cast layer is membrana perforata, which is provided with multiple perforation that foaming forms.
In the present invention, the width of flat filament is controlled at that 1.5-3.5 millimeter, line density are controlled at 800-2000 Denier, single pulling force is not less than 38 newton.
In the present invention, the fabric width of woven base material is approximately 4-6 rice, certainly, also can be the size that other needs.
In the present invention, the first high polymer can be multiple material of the prior art, such as high density polyethylene (HDPE) (HDPE), dacron thread, polyamide fibre (nylon) silk etc.Because the function admirables such as polythene material acid and alkali-resistance, cost performance are high; And high density polyethylene (HDPE) is applicable to wire drawing, and intensity is high, thereby the first high polymer is preferably high density polyethylene (HDPE).
Because the fabric width of woven base material is wider, in the present invention, should select the material that curtain coating performance is good, film forming is good, applicable curtain coating applies, such as high density polyethylene (HDPE) (LDPE), ethylene-vinyl acetate copolymer (EVA) etc. for making the second high polymer of cast layer.Because high density polyethylene and low density polyethylene belong to polyethylene together, same substance adhesive property is good, and peel strength is high, thereby the first high polymer and the second high polymer are preferably high density polyethylene and low density polyethylene.
In the present invention, the effect of casting films is anchoring fabricbase, and the flat filament of fixing exactly in woven base material does not make it move.Because woven base material is to dredge to weave cotton cloth, the flat filament in woven base material can easily produce movement up and down and be out of shape under certain external power effect, and even running applies the such casting films of one deck and just plays the effect of fixing fabricbase in woven base material.
In the present invention, the multiple perforation in casting films make casting films form " the rotten film " of fishing net shaped, make product have hydrophobic, air-permeability function, overall intensity are also had to contribution simultaneously.
The present invention is with the form of composite plastic woven, production meadow protection drop cloth, and product strength is high, attractive in appearance, anti-aging is effective, easy to use, easy disassembling, can Reusability, cost is low, and cost performance is high; Wherein, woven base material layer provides product strength support; The membrana perforata (rotten film) of cast layer is fixed the flat filament of woven base material, and product has hydrophobic, air-permeability function, intensity is high, ageing-resistant.
Another detailed description of the invention according to the present invention, the first high polymer is high density polyethylene (HDPE), the second high polymer is low density polyethylene (LDPE).
In order to produce upper better control, product is larger through density ratio weft density conventionally.Another detailed description of the invention according to the present invention, woven base material be 20-32 root/10 centimetre through density, 22-32 root/10 centimetre more preferably on this basis, weft density is 18-22 root/10 centimetre.
Another detailed description of the invention according to the present invention, the weight of lawn protection material is 60-220g/m 2.
Another detailed description of the invention according to the present invention, the warp tensile strength of lawn protection material is not less than 400 newton/5 centimetre, and weft tensile strength is not less than 350 newton/5 centimetre.
Another detailed description of the invention according to the present invention, also comprises the calcium carbonate of 2-5%, the light stabilizer of 10-30ppm in flat filament raw material.Wherein, calcium carbonate can reduce costs, and also plays anti-tear effect, prevents that the flat filament pulling out from fluffing, and can also reduce the percent thermal shrinkage of flat filament, strengthens the dimensional stability of product etc.
Another detailed description of the invention according to the present invention, applies the blowing agent that comprises 0.5-2.5% in raw material, and this blowing agent is that Celogen Az and talcum powder are composite in 1:1 ratio; Apply in raw material and also comprise the colouring agent of 2-5%, the light stabilizer of 10-30ppm.Wherein, colouring agent is preferably for example green mother of green colourant.In addition, also can add a small amount of White Mineral Oil.
Another detailed description of the invention according to the present invention, light stabilizer is hindered amine, as the FD944 of BASF AG.
On the other hand, the invention provides the method for the manufacture of above-mentioned lawn protection material, it comprises the steps:
(1) the flat filament raw material that preparation comprises high density polyethylene (HDPE), and manufacture flat filament with this flat filament raw material;
(2) flat filament of manufacturing taking step (1) weaves as material, manufactures woven base material;
(3) prepare comprise low density polyethylene (LDPE), blowing agent coating raw material, will apply raw materials melt after curtain coating to woven base material; Under the effect of blowing agent, on woven base material, form membrana perforata.
In step (1), the method for producing flat filament specifically can be, and for example, flat filament raw material, through screw extruder film forming, then cuts itemize, after drawn, sizing, is wound into an ingot.
In step (2), can there be shuttle Plain loom or circular weaving machine to weave, to make woven base material.
In step (3), the concrete mode of curtain coating is, for example, the material blends such as LDPE is extruded into film with screw extruder, then by compounding machine by film " laminating " above woven base material.Its processing temperature is controlled at 260-310 ° of C.The casting films thickness forming is substantially at 20-50 ± 5g/m 2.
Said method is preferably, and in step (1), the flat filament width of manufacturing is that 1.5-3.5 millimeter, line density are that 800-2000 Denier, single pulling force are not less than 38 newton.
In addition, product can be widened by sewing, to be applicable to various places specification, after widening, can play along limit sail circle.
Compared with prior art, the present invention possesses following beneficial effect:
The present invention is with the form of composite plastic woven, production meadow protection drop cloth, and product strength is high, attractive in appearance, anti-aging is effective, easy to use, easy disassembling, can Reusability, cost is low, and cost performance is high; Wherein, woven base material layer provides product strength support; The cast layer of fishing net shaped is fixed the flat filament of woven base material, and product has hydrophobic, air-permeability function, intensity is high, ageing-resistant.
Detailed description of the invention
Embodiment 1
The lawn protection material of the present embodiment, it comprises woven base material and cast layer; Wherein, the flat filament braiding of woven base material taking the first high polymer (as high density polyethylene (HDPE)) as main material production forms; The width of flat filament is that 2 millimeters, line density are 1200 Denier, single pulling force 40 newton.Woven base material be 20/10 centimetres through density, weft density is 18/10 centimetres;
Add with the second high polymer (as low density polyethylene (LDPE)) cast layer that 0.85% blowing agent forms, this cast layer is coated on woven base material, compound with woven base material; The thickness of cast layer is about 25g/m 2.Cast layer is provided with multiple perforation that foaming forms, and making cast layer is the membrana perforata of fishing net shaped.
The weight of lawn protection material is 90g/m 2, its warp tensile strength is 420 newton/5 centimetre, weft tensile strength is 380 newton/5 centimetre.
The manufacture process of the lawn protection material of the present embodiment is as follows:
(1) production of flat filament: adopt HDPE(high density polyethylene (HDPE)) be primary raw material, add 2% calcium carbonate, the light stabilizer (hindered amine, as the FD944 of BASF AG) of 12ppm etc., through screw extruder film forming, then cut itemize, after drawn, sizing, be wound into an ingot.The width of flat filament is about that 2 millimeters, line density are controlled at 1200 Denier, single pulling force is 40 newton.
(2) with flat filament woven base material: silk ingot weaves at Plain loom or circular weaving machine, makes woven base material.Be controlled at 20/10 centimetres through density, weft density is controlled at 18/10 centimetres, makes it form little thin the weaving cotton cloth of distortion as far as possible.
(3) compound casting films: taking LDPE(low density polyethylene (LDPE)) be primary raw material, add 3% green mother, the light stabilizer (hindered amine of 15ppm, as the FD944 of BASF AG), 1% blowing agent intermixture (for example Celogen Az and talcum powder are composite in 1:1 ratio), add a small amount of White Mineral Oil etc., become melting film through Screw Extrusion, curtain coating, to woven base material, because add a certain amount of blowing agent in formula, forms controlled evenly have " rotten film " (membrana perforata) that cause.Process processing temperature is controlled at 260-310 DEG C, and total cloth is heavily controlled at 90g/m 2, product hot strength warp-wise is that 420 newton/5 centimetre, broadwise are 380 newton/5 centimetre.
Embodiment 2
The lawn protection material of the present embodiment, it comprises woven base material and cast layer; Wherein, the flat filament braiding of woven base material taking the first high polymer (as high density polyethylene (HDPE)) as main material production forms; The width of flat filament is that 3 millimeters, line density are 1800 Denier, single pulling force 45 newton.Woven base material be 30/10 centimetres through density, weft density is 22/10 centimetres;
Add with the second high polymer (as low density polyethylene (LDPE)) cast layer that 2.25% blowing agent forms, this cast layer and woven base material are compound, and the thickness of cast layer is about 50g/m 2.Cast layer is provided with multiple perforation that foaming forms, and making cast layer is fishing net shaped.
The weight of lawn protection material is 200g/m 2, its warp tensile strength is 690 newton/5 centimetre, weft tensile strength is 520 newton/5 centimetre.
The manufacture process of the lawn protection material of the present embodiment is as follows:
(1) production of flat filament: adopt HDPE(high density polyethylene (HDPE)) be primary raw material, add 5% calcium carbonate, the light stabilizer (hindered amine, as the FD944 of BASF AG) of 30ppm etc., through screw extruder film forming, then cut itemize, after drawn, sizing, be wound into an ingot.The width of flat filament is about that 3 millimeters, line density are controlled at 1800 Denier, single pulling force is 45 newton.
(2) with flat filament woven base material: silk ingot weaves at Plain loom or circular weaving machine, makes woven base material.Be controlled at 30/10 centimetres through density, weft density is controlled at 22/10 centimetres, makes it form little thin the weaving cotton cloth of distortion as far as possible.
(3) compound casting films: taking LDPE(low density polyethylene (LDPE)) be primary raw material, add 5% green mother, the light stabilizer (hindered amine of 30ppm, as the FD944 of BASF AG), 2.5% blowing agent intermixture (for example Celogen Az and talcum powder are composite in 1:1 ratio), add a small amount of White Mineral Oil etc., become melting film through Screw Extrusion, curtain coating, to woven base material, because add a certain amount of blowing agent in formula, forms controlled evenly have " rotten film " (membrana perforata) that cause.Process processing temperature is controlled at 260-310 DEG C, and total cloth is heavily controlled at 200g/m 2, product hot strength warp-wise is that 690 newton/5 centimetre, broadwise are 520 newton/5 centimetre.
(4) product sewing is widened, and plays sail circle along limit after widening.
Although the present invention discloses as above with preferred embodiment, not in order to limit scope of the invention process.Any those of ordinary skill in the art, not departing from invention scope of the present invention, when doing a little improvement, every equal improvement of doing according to the present invention, should be scope of the present invention and contains.

Claims (9)

1. a lawn protection material, it comprises:
The woven base material that the flat filament braiding of producing with the flat filament raw material that comprises the first high polymer forms; Described woven base material be 20-32 root/10 centimetre through density, weft density is 18-22 root/10 centimetre;
The cast layer forming with the coating raw material that comprises the second high polymer and blowing agent, described cast layer is coated on described woven base material, and itself and described woven base material are compound; Described cast layer is membrana perforata, which is provided with multiple perforation that foaming forms.
2. lawn protection material as claimed in claim 1, wherein, described the first high polymer is high density polyethylene (HDPE), described the second high polymer is low density polyethylene (LDPE).
3. lawn protection material as claimed in claim 1, wherein, the weight of described lawn protection material is 60-220g/m 2.
4. lawn protection material as claimed in claim 1, wherein, the warp tensile strength of described lawn protection material is not less than 400 newton/5 centimetre, and weft tensile strength is not less than 350 newton/5 centimetre.
5. lawn protection material as claimed in claim 1, wherein, also comprises the calcium carbonate of 2-5%, the light stabilizer of 10-30ppm in described flat filament raw material.
6. lawn protection material as claimed in claim 1, wherein, the blowing agent that comprises 0.5-2.5% in described coating raw material, described blowing agent is that Celogen Az and talcum powder are composite in 1:1 ratio; In described coating raw material, also comprise the colouring agent of 2-5%, the light stabilizer of 10-30ppm.
7. the lawn protection material as described in claim 5 or 6, wherein, described light stabilizer is hindered amine.
8. a method of manufacturing the described lawn protection material of one of claim 1-7, it comprises the steps:
(1) the flat filament raw material that preparation comprises high density polyethylene (HDPE), and manufacture flat filament with described flat filament raw material;
(2) flat filament of manufacturing taking step (1) weaves as material, manufactures woven base material;
(3) prepare comprise low density polyethylene (LDPE), blowing agent coating raw material, by curtain coating after described coating raw materials melt to described woven base material; Under the effect of described blowing agent, on described woven base material, form membrana perforata.
9. method as claimed in claim 8, wherein, in described step (1), the flat filament width of manufacturing is that 1.5-3.5 millimeter, line density are that 800-2000 Denier, single pulling force are not less than 38 newton.
CN201210462325.2A 2012-11-15 2012-11-15 Lawn protective material and manufacturing method thereof Active CN102919089B (en)

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CN110607699B (en) * 2019-08-26 2022-04-26 佛山佛塑科技集团股份有限公司 Breathable light-reflecting grass-proof base fabric and preparation method thereof

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