CN111728300A - Simulated palm leaf and preparation method thereof - Google Patents
Simulated palm leaf and preparation method thereof Download PDFInfo
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- CN111728300A CN111728300A CN202010670667.8A CN202010670667A CN111728300A CN 111728300 A CN111728300 A CN 111728300A CN 202010670667 A CN202010670667 A CN 202010670667A CN 111728300 A CN111728300 A CN 111728300A
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- simulated
- simulated palm
- leaf
- palm leaf
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- 238000002360 preparation method Methods 0.000 title description 7
- 238000004519 manufacturing process Methods 0.000 claims abstract description 7
- 238000000034 method Methods 0.000 claims abstract description 5
- 241001133760 Acoelorraphe Species 0.000 claims description 56
- 229920001903 high density polyethylene Polymers 0.000 claims description 15
- 239000004700 high-density polyethylene Substances 0.000 claims description 15
- 239000004677 Nylon Substances 0.000 claims description 14
- 229920001778 nylon Polymers 0.000 claims description 14
- 239000000049 pigment Substances 0.000 claims description 12
- 238000000465 moulding Methods 0.000 claims description 10
- 238000002156 mixing Methods 0.000 claims description 8
- 238000003825 pressing Methods 0.000 claims description 8
- 239000002994 raw material Substances 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 7
- 238000002844 melting Methods 0.000 claims description 6
- 230000008018 melting Effects 0.000 claims description 6
- 239000012778 molding material Substances 0.000 claims description 6
- 238000013138 pruning Methods 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 238000010008 shearing Methods 0.000 claims description 2
- 238000009966 trimming Methods 0.000 claims description 2
- 239000002131 composite material Substances 0.000 claims 2
- 238000004088 simulation Methods 0.000 abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 5
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 abstract description 4
- 239000003063 flame retardant Substances 0.000 abstract description 4
- 239000004577 thatch Substances 0.000 description 6
- 238000002474 experimental method Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 238000005034 decoration Methods 0.000 description 3
- 230000001788 irregular Effects 0.000 description 3
- 239000010902 straw Substances 0.000 description 3
- 244000025254 Cannabis sativa Species 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000007731 hot pressing Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 241000238631 Hexapoda Species 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- -1 Polyethylene Polymers 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 241000607479 Yersinia pestis Species 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000002431 foraging effect Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41G—ARTIFICIAL FLOWERS; WIGS; MASKS; FEATHERS
- A41G1/00—Artificial flowers, fruit, leaves, or trees; Garlands
- A41G1/001—Artificial flowers, fruit, leaves, or trees; Garlands characterised by their special functions
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/06—Polyethene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/062—HDPE
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a simulation palm leaf, which comprises a waterproof part and a blade part which are integrally formed, wherein the blade part is a plurality of strip-shaped blades and is connected to the bottom of the waterproof part. And a method for preparing the same are disclosed. The artificial palm leaf is simple to manufacture, light and convenient to install, not easy to deform, good in flame retardant effect, not easy to fade and rot, good in water resistance and wind resistance, and suitable for popularization and use.
Description
Technical Field
The invention relates to the technical field of building roof decoration, in particular to simulated palm leaves and a preparation method thereof.
Background
Places such as landscape, parks, resort villages, seasides, pavilions and the like usually use thatch to decorate roofs, but natural thatch is inflammable, is easy to breed diseases and insect pests, is easy to age, and cannot meet quality requirements.
Researchers develop metal aluminum simulation thatch and plastic simulation thatch for replacing natural thatch to solve the flame retardant problem, however, the simulation thatch does not absorb water, can achieve the waterproof effect only by overlapping multiple layers, and is easily blown by wind to be disordered, so that the whole vision is influenced.
Therefore, how to provide a roof decoration material which is easy to install and not easy to deform is a problem to be solved urgently by the technical personnel in the field.
Disclosure of Invention
In view of the above, the invention provides the simulated palm leaf and the preparation method thereof, and the simulated palm leaf is simple to manufacture, light and convenient to install, not easy to deform, good in flame retardant effect, and not easy to fade and rot.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a emulation palm leaf, includes integrated into one piece's waterproof portion and blade portion, and the blade portion is a plurality of strip blades, connects in waterproof portion bottom.
The simulated palm leaves are provided with the waterproof parts, so that rainwater can be effectively shielded, and the rainwater leakage can be prevented while the number of superposed layers is reduced; the area of the installation part is large when the installation is carried out, the operation is convenient, and the installation is firm and stable; waterproof portion and blade portion integrated into one piece for the blade is difficult to receive the mixed and disorderly deformation of external force influence, and the blade is difficult for droing.
Preferably, the feed comprises the following raw materials in parts by weight:
45-55 parts of high-density polyethylene, 35-45 parts of nylon and 5-15 parts of pigment.
High Density Polyethylene (HDPE), also known as low pressure Polyethylene, is a translucent material with High crystallinity and a certain degree of non-polar surface. The artificial palm leaf is mixed with nylon and pigment to prepare the artificial palm leaf, so that the product performance can be effectively improved.
Preferably, the feed comprises the following raw materials in parts by weight:
50 parts of high-density polyethylene, 40 parts of nylon and 10 parts of pigment.
The high-density polyethylene, the nylon and the pigment are mixed in a specific proportion, so that the temperature tolerance, the mechanical strength performance, the ageing resistance, the waterproofness, the wind resistance and the fire resistance of the simulated palm leaves are ensured.
Preferably the flashing and/or flashing portions have a palm leaf texture thereon having a height of 1-3 mm.
The arrangement of the irregular palm leaf textures with different heights is beneficial to rainwater diversion, attachment among multiple layers of palm leaves is avoided, and roof decoration is more attractive and natural.
Further, the blade length of the blade part is 35-45 cm; the width of the waterproof part is 30-45 cm.
A preparation method of simulated palm leaves comprises the following steps:
(1) moulding
Manufacturing a mould according to the shape of the simulated palm leaves;
(2) mixing material
Mixing high-density polyethylene, nylon and pigment uniformly, melting and pressing into sheets;
(4) gas assisted hot press molding
Preheating the mould, placing the sheet on the preheated mould, regulating the temperature to be 190 ℃ and the pressure to be 200-2Gas suction 175-2Pressing and forming;
(4) pruning
And (4) trimming the molding material, and shearing the molding material until the length of the blade is 35-45 cm.
The raw materials are melted to be made into sheets, so that hot-press molding is facilitated, and the raw materials are uniformly dispersed; the temperature, pressure and gas suction in the gas-assisted hot-pressing forming process can ensure the formability and other various performances of the simulated palm leaves.
Preferably, in the step (2), the melting temperature is 275 ℃ and 290 ℃, and the thickness of the sheet is 0.3-2.0 mm.
Preferably, in the step (2), the preheating temperature of the mold is 110-.
The mold is preheated in advance, which is favorable for rapid molding.
According to the technical scheme, the simulated palm leaf is simple to manufacture, light and convenient to install, not easy to deform, good in flame retardant effect, not easy to fade and rot, good in waterproof and windproof performance and suitable for popularization and use.
Drawings
FIG. 1 is a schematic diagram of a simulated palm leaf structure; wherein, 1, a waterproof part; 2. a blade portion.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
As shown in figure 1, the simulated palm leaf with the specification of 100cm multiplied by 65cm comprises a waterproof part 1 and a blade part 2 which are integrally formed, wherein the blade part 2 is a plurality of strip-shaped blades and is connected to the bottom of the waterproof part 1.
The waterproof part 1 is provided with irregular palm leaf textures with different heights of 1-3 mm.
The waterproof part 1 is 100cm in length and 30cm in width; the blade length of the blade portion 2 is 35 cm.
The simulated palm leaves comprise the following raw materials in parts by mass:
50 parts of high-density polyethylene, 40 parts of nylon and 10 parts of pigment.
The preparation method of the simulated palm leaf comprises the following steps:
(1) moulding
A die is manufactured according to the shape of the simulated palm leaf (the leaf of the leaf part in the die is not completely separated), the steel is heated to more than 1000 ℃ and then cooled, and the cold and hot are repeated for 10 times to manufacture the die under the pressure of 2 tons.
(2) Mixing material
Mixing high density polyethylene, nylon and pigment uniformly, melting at 280 ℃ by using a double-rod machine, and pressing into a sheet with the thickness of 1.0mm after flowing out.
(3) Gas assisted hot press molding
Operating with injection-suction machine NTS-0025, preheating mold to 120 deg.C, placing sheet on the preheated mold, adjusting temperature to 180 deg.C, and pressure to 203N/m2Gas suction 180N/m2And (4) pressing and forming.
(4) Pruning
The molding material was trimmed and cut to a blade length of 35 cm.
Example 2
The utility model provides a simulation palm leaf, specification 100cm x 80cm, includes integrated into one piece's waterproof portion and blade portion, and the blade portion is a plurality of strip blades, connects in waterproof portion bottom.
The waterproof part and the blade part are provided with irregular palm leaf textures with different heights of 1-3 mm.
The length of the waterproof part is 100cm, and the width of the waterproof part is 40 cm; the blade length of the blade part is 40 cm.
The simulated palm leaves comprise the following raw materials in parts by mass:
50 parts of high-density polyethylene, 40 parts of nylon and 10 parts of pigment.
The preparation method of the simulated palm leaf comprises the following steps:
(1) moulding
A die is manufactured according to the shape of the simulated palm leaf (the leaf of the leaf part in the die is not completely separated), the steel is heated to more than 1000 ℃ and then cooled, and the cold and hot are repeated for 10 times to manufacture the die under the pressure of 2 tons.
(2) Mixing material
Mixing high density polyethylene, nylon and pigment uniformly, melting at 280 ℃ by using a double-rod machine, and pressing into a sheet with the thickness of 1.0mm after flowing out.
(5) Gas assisted hot press molding
Operating with injection-suction machine NTS-0025, preheating the mold to 125 deg.C, placing the sheet on the preheated mold, adjusting temperature to 185 deg.C, and pressure to 200N/m2Gas suction 185N/m2And (4) pressing and forming.
(4) Pruning
The molding material was trimmed and cut to a blade length of 40 cm.
Example 3
The simulated palm leaves prepared in examples 1 and 2 were used for aging resistance experiments.
The simulated palm leaves prepared in examples 1 and 2 were cut to 30cm × 300cm, irradiated under a UVA-340 ultraviolet lamp for 3000, 4000, and 5000 hours, and the color and state change of the simulated palm leaves were observed.
And a simulated palm leaf was prepared as a control group using high-density polyethylene instead of the nylon in example 1.
The experimental results show that the simulated palm leaves of the examples 1 and 2 are not faded, rotted and embrittled after 5000 hours of ultraviolet irradiation. The embrittlement of the control group already occurs after 3000h of ultraviolet irradiation, and the embrittlement is serious after 5000 h.
Example 4
Temperature tolerance experiments were performed using the simulated palm leaves prepared in examples 1 and 2.
The simulated palm leaves prepared in examples 1 and 2 were cut into 30cm × 300cm, frozen at-20 deg.C for 6 months, and then taken out and placed at 60 deg.C for 5 hours.
The experimental result shows that the simulated palm leaves prepared in the examples 1 and 2 can be normally bent after being taken out at the temperature of-20 ℃ and are not hardened; after being placed at 60 ℃ for 5 hours, the material is not deformed and softened.
Example 5
The simulated palm leaves prepared in the examples 1 and 2 are subjected to combustion performance grading according to GB8624-2012, and meet GB-B1 grade standard and American standard-V0 grade standard.
Example 6
The simulated palm leaves prepared in example 1 are distributed according to the ratio of 3 pieces/m2And (3) superposing, pouring water simulating rainstorm (100mL) on the simulated palm leaves, and verifying by experiments that the inner side surfaces of the simulated palm leaves have no water leakage.
A simulated rice straw was commercially available in the same size (100cm × 65cm) at a ratio of 3 pieces/m2The water is superposed to be used as a control group, and the experiment verifies that the bottom of the simulation straw has water leakage.
Therefore, the invention simulates palm leaves according to 3 pieces/m2The waterproof effect can be achieved by overlapping, and the installation is light; in addition, in order to enable the simulated palm leaves to be covered more densely, the multilayer simulated palm leaves are naturally and beautifully connected, and the number of superposed layers of the simulated palm leaves can be increased to 5-6 pieces/m2。
Example 7
The simulated palm leaves prepared in example 1 are distributed according to the ratio of 3 pieces/m2And (3) overlapping, namely fixing the waterproof part on the roof by using 3 nails for each piece, and overlapping the eave for 2 times.
As a control 1, a simulated palm leaf was prepared using high density polyethylene instead of the nylon in example 1.
As a control group 2, a commercially available simulation straw was used.
The two groups simulate 12-grade typhoon (24.4-35.5m/s) for 2 h.
Experiments prove that the simulation palm leaves in the example 1 group have no deformation or tearing; slight tearing occurs at the joint of the nail part and the blade part of the waterproof part in the comparison group 1; in the control group 2, the grass leaves were disordered and some grass leaves were detached.
Example 8
In addition to example 1, the hot pressing temperature was adjusted from 185 ℃ to 120, 130, 140, and 150 ℃, and the simulated palm leaves could not be molded at all of the above 4 temperatures.
The general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (7)
1. A simulated palm leaf is characterized in that,
including integrated into one piece's waterproof portion and blade portion, blade portion is a plurality of strip blades, connect in waterproof portion bottom.
2. The simulated palm leaf of claim 1,
the composite material comprises the following raw materials in parts by weight:
45-55 parts of high-density polyethylene, 35-45 parts of nylon and 5-15 parts of pigment.
3. The simulated palm leaf of claim 2,
the composite material comprises the following raw materials in parts by weight:
50 parts of high-density polyethylene, 40 parts of nylon and 10 parts of pigment.
4. The simulated palm leaf of claim 1,
the waterproof part and/or the blade part are/is provided with palm leaf textures with the height of 1-3 mm.
5. The method for preparing the simulated palm leaves as claimed in any one of claims 1 to 4, characterized by comprising the following steps:
(1) moulding
Manufacturing a mould according to the shape of the simulated palm leaves;
(2) mixing material
Mixing high-density polyethylene, nylon and pigment uniformly, melting and pressing into sheets;
(3) gas assisted hot press molding
Preheating the mould, placing the sheet on the preheated mould, regulating the temperature to be 190 ℃ and the pressure to be 200-2Gas suction 175-2Pressing and forming;
(4) pruning
And (4) trimming the molding material, and shearing the molding material until the length of the blade is 35-45 cm.
6. The method for preparing simulated palm leaves according to claim 5,
in the step (2), the melting temperature is 275 ℃ and 290 ℃, and the thickness of the sheet is 0.3-2.0 mm.
7. The method for preparing simulated palm leaves according to claim 5,
in the step (2), the preheating temperature of the mold is 110-.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010670667.8A CN111728300A (en) | 2020-07-13 | 2020-07-13 | Simulated palm leaf and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010670667.8A CN111728300A (en) | 2020-07-13 | 2020-07-13 | Simulated palm leaf and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111728300A true CN111728300A (en) | 2020-10-02 |
Family
ID=72654493
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010670667.8A Pending CN111728300A (en) | 2020-07-13 | 2020-07-13 | Simulated palm leaf and preparation method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN111728300A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW463863U (en) * | 2000-05-10 | 2001-11-11 | Da Chi Landscape Co Ltd | Roof structure |
| CN201204966Y (en) * | 2008-04-28 | 2009-03-11 | 南京崧腾景观工程有限公司 | Plastic simulation couch grass |
| CN102797322A (en) * | 2012-08-14 | 2012-11-28 | 青岛青禾人造草坪有限公司 | Artificial lawn with infrared reflecting function for greening roof |
| CN205576697U (en) * | 2016-04-28 | 2016-09-14 | 北京火炬生地人造草坪有限公司 | Grass silk that artificial turf used |
| CN205591072U (en) * | 2016-04-28 | 2016-09-21 | 北京火炬生地人造草坪有限公司 | Artificial turf and base cloth that uses thereof |
| CN107371918A (en) * | 2011-09-23 | 2017-11-24 | 奇诺维申有限责任公司 | Trees or plant protection pad |
| CN107898036A (en) * | 2017-12-30 | 2018-04-13 | 禹州市绿之舟花园用品制造有限公司 | A kind of windproof palm blade of grass piece and its manufacture method |
| CN210482764U (en) * | 2019-08-08 | 2020-05-08 | 李雪梅 | Integrated simulation plant tile |
-
2020
- 2020-07-13 CN CN202010670667.8A patent/CN111728300A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW463863U (en) * | 2000-05-10 | 2001-11-11 | Da Chi Landscape Co Ltd | Roof structure |
| CN201204966Y (en) * | 2008-04-28 | 2009-03-11 | 南京崧腾景观工程有限公司 | Plastic simulation couch grass |
| CN107371918A (en) * | 2011-09-23 | 2017-11-24 | 奇诺维申有限责任公司 | Trees or plant protection pad |
| CN102797322A (en) * | 2012-08-14 | 2012-11-28 | 青岛青禾人造草坪有限公司 | Artificial lawn with infrared reflecting function for greening roof |
| CN205576697U (en) * | 2016-04-28 | 2016-09-14 | 北京火炬生地人造草坪有限公司 | Grass silk that artificial turf used |
| CN205591072U (en) * | 2016-04-28 | 2016-09-21 | 北京火炬生地人造草坪有限公司 | Artificial turf and base cloth that uses thereof |
| CN107898036A (en) * | 2017-12-30 | 2018-04-13 | 禹州市绿之舟花园用品制造有限公司 | A kind of windproof palm blade of grass piece and its manufacture method |
| CN210482764U (en) * | 2019-08-08 | 2020-05-08 | 李雪梅 | Integrated simulation plant tile |
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Application publication date: 20201002 |
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