CN113733800A - Method for preparing child amusement equipment and park sculpture - Google Patents
Method for preparing child amusement equipment and park sculpture Download PDFInfo
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- CN113733800A CN113733800A CN202110919040.6A CN202110919040A CN113733800A CN 113733800 A CN113733800 A CN 113733800A CN 202110919040 A CN202110919040 A CN 202110919040A CN 113733800 A CN113733800 A CN 113733800A
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- spraying
- park
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- polyurethane
- children
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
- B44C3/00—Processes, not specifically provided for elsewhere, for producing ornamental structures
- B44C3/06—Sculpturing
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- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The invention discloses a method for preparing children's amusement equipment and park sculpture, firstly, preprocessing a mould, cleaning the mould, fixing the mould on a bracket, spraying a release agent, spraying a polyurethane foam material in the mould by using a spraying device, taking out the mould after 15-30 minutes, repairing the defect position by using a foam repairing glue, after placing the mould for 3-4 hours at room temperature, repairing the corner, and removing the release agent; the method for manufacturing the children amusement equipment and the park statue by using the polyurethane foam composite polyurethane urea elastomer has the advantages that the production period is short, the production efficiency is high, materials used in the production process and the manufactured products are environment-friendly, various prepared park statues are beautiful and vivid and are not easy to crack, the prepared children amusement equipment is light in weight and easy to install, the service life is long, the buffering performance is good, and children cannot be hurt after being collided.
Description
Technical Field
The invention relates to the technical field of polyurethane, in particular to a method for preparing child amusement equipment and a park sculpture.
Background
In recent years, along with the increasing living standard, people pay more attention to the learning of children, and in order to enable the children to be fully relaxed after learning, the child amusement equipment plays a very important role. The child amusement equipment not only can provide body-building, but also can improve the intelligence of children, so that the children's life is rich and colorful, and simultaneously, the children's learning is more successful. The main purpose of the park sculpture is to beautify the park space, create a comfortable and beautiful environment, improve the artistic value of the park, and beautify the feelings of people, such as silly and fruity pandas, vivid athletes and children in the park, lifelike animals and various cartoon sculptures.
Polyurethane foam is one of the main varieties of polyurethane synthetic materials, and is characterized by porosity, small relative density, high specific strength, excellent physical and mechanical properties and chemical resistance. The spray polyurethane urea elastomer material is green and environment-friendly, no solvent is released in the spray process, the physical and mechanical properties are excellent, the spray polyurethane urea elastomer material is aging-resistant and impact-resistant, the construction is slightly influenced by the environmental temperature and humidity, and the spray polyurethane urea elastomer material can be produced and molded at one time.
At present, the common materials for manufacturing the child amusement equipment comprise metal, wood, plastic and the like. The metal is sturdy and durable, and the molding is changeable, easily assembles, but if processing is not good, hard edges and corners easily appear, produces very big harm to children's safety. The wood is natural and nontoxic, the material is cheap, but the wood is easy to decay, and the service life is short. The plastic material is hard, non-aging and easy to crack. The park sculpture is made of polystyrene foam, glass fiber reinforced plastics, cement, gypsum and the like. The polystyrene foam material has poor impact strength, narrow use temperature range and easy cracking; more organic waste gas is discharged in the production process of the glass fiber reinforced plastic material, and head and tail materials and leftover materials are more, so that the glass fiber reinforced plastic material is not environment-friendly; the cement sculpture is heavy and has low fineness; the gypsum material is fragile and not easy to install. The defects of long production period of the child amusement equipment or the park sculpture made of the materials are generally overcome, and a method for preparing the child amusement equipment and the park sculpture is provided for solving the problem.
Disclosure of Invention
The invention aims to provide a method for preparing children's amusement equipment and a park sculpture, and solves the problems that the existing children's amusement equipment is made of metal, hard edges and corners are easy to appear, the equipment is harmful to children safety, wood is easy to rot, the service life is short, plastic materials are hard, are not anti-aging and easy to crack, polystyrene foam for the park sculpture is poor in impact strength, narrow in use temperature range and easy to crack, glass fiber reinforced plastic materials are used for discharging more organic waste gas in the production process, head and tail materials and leftover materials are more, the equipment is not environment-friendly, cement is heavy, low in fineness, gypsum materials are easy to break and install, and the children's amusement equipment or the park sculpture made of the materials has a long production period.
In order to achieve the purpose, the invention provides the following technical scheme: a method of making a children's play apparatus and park sculpture, comprising the steps of:
step 1: spraying the foam: cleaning a mould, fixing the mould on a support, spraying a release agent, spraying a polyurethane foam material in the mould by using spraying equipment, taking the mould out after 15-30 minutes, repairing the defect position by using a foam repairing adhesive, and repairing corners after standing at room temperature for 3-4 hours, and removing the release agent;
step 2: spraying a polyurethane urea coating: spraying a polyurethane urea elastomer on the surface of the polyurethane foam by using spraying equipment, and repairing the surface defect position by using repair glue after 5-30 minutes;
and step 3: preparing a finished product: standing at room temperature for 20-24 hours, assembling, polishing the surface of the polyurethane urea elastomer, cleaning, spraying polyurethane finish with various colors cured at room temperature, and curing at room temperature for 1-3 days to obtain children amusement equipment and park sculptures in various shapes.
Preferably, in step 1, the polyurethane foam material has a skin hardness of 15-25A, a surface dryness of 20-30 seconds and a surface dry content of 0.15-0.25g/cm3The two-component spraying polyether polyurethane all-water foaming material.
Preferably, in step 1, the foam repairing adhesive is skin 15-25A, surface dry time of 180-240 seconds and surface dry time of 0.15-0.25g/cm3The double-component polyether type full water foaming material.
Preferably, in the step 2, the polyurethane urea elastomer is a two-component spray polyurethane urea elastomer material with the hardness of 65-80A, the surface dry time of 10-20 seconds, the elongation at break of more than or equal to 400% and the tensile strength of more than or equal to 10 MPa.
Preferably, in the step 2, the repair adhesive is a two-component casting polyurethane elastomer material with the hardness of 45-55A, the surface dryness in 10-20 minutes, the elongation at break of more than or equal to 150% and the tensile strength of more than or equal to 2 MPa.
Compared with the prior art, the invention has the beneficial effects that:
the method for manufacturing the children amusement equipment and the park statue by using the polyurethane foam composite polyurethane urea elastomer has the advantages that the production period is short, the production efficiency is high, materials used in the production process and the manufactured products are environment-friendly, various prepared park statues are beautiful and vivid and are not easy to crack, the prepared children amusement equipment is light in weight and easy to install, the service life is long, the buffering performance is good, and children cannot be hurt after being collided.
Detailed Description
The present invention will now be described in more detail by way of examples, which are given by way of illustration only and are not intended to limit the scope of the present invention in any way.
The invention provides a technical scheme that: a method of making a children's play apparatus and park sculpture, comprising the steps of:
step 1: spraying the foam: cleaning a mould, fixing the mould on a support, spraying a release agent, spraying a polyurethane foam material in the mould by using spraying equipment, taking the mould out after 15-30 minutes, repairing the defect position by using a foam repairing adhesive, and repairing corners after standing at room temperature for 3-4 hours, and removing the release agent;
step 2: spraying a polyurethane urea coating: spraying a polyurethane urea elastomer on the surface of the polyurethane foam by using spraying equipment, and repairing the surface defect position by using repair glue after 5-30 minutes;
and step 3: preparing a finished product: standing at room temperature for 20-24 hours, assembling, polishing the surface of the polyurethane urea elastomer, cleaning, spraying polyurethane finish with various colors cured at room temperature, and curing at room temperature for 1-3 days to obtain children amusement equipment and park sculptures in various shapes.
The first embodiment is as follows:
firstly, preprocessing a mould, cleaning the mould, fixing the mould on a bracket, spraying a release agent, spraying a polyurethane foam material in the mould by using a spraying device, taking the mould out after 15-30 minutes, repairing the defect position by using a foam repairing adhesive, repairing the corner after placing the mould for 3-4 hours at room temperature, removing the release agent, then spraying a polyurethane urea coating, spraying a polyurethane urea elastomer on the surface of the polyurethane foam by using the spraying device, repairing the surface defect position by using the repairing adhesive after 5-30 minutes, and finally preparing a finished product: standing at room temperature for 20-24 hours, assembling, polishing the surface of the polyurethane urea elastomer, cleaning, spraying polyurethane finish with various colors cured at room temperature, and curing at room temperature for 1-3 days to obtain children amusement equipment and park sculptures in various shapes.
Example two:
in the first embodiment, the following steps are added:
in step 1, the polyurethane foam material has a skin hardness of 15-25A, a surface dryness of 20-30 seconds and a surface hardness of 0.15-0.25g/cm3The two-component spraying polyether type polyurethane all-water foaming material has the foam repairing glue of 15-25A of surface skin, 180-second surface dryness and 0.15-0.25g/cm3The double-component polyether type full water foaming material.
Firstly, preprocessing a mould, cleaning the mould, fixing the mould on a bracket, spraying a release agent, spraying a polyurethane foam material in the mould by using a spraying device, taking the mould out after 15-30 minutes, repairing the defect position by using a foam repairing adhesive, repairing the edge and corner after placing the mould for 3-4 hours at room temperature, and removing the release agent, wherein the polyurethane foam material has the skin hardness of 15-25A, the surface hardness of 20-30 seconds and the surface hardness of 0.15-0.25g/cm3The two-component spraying polyether type polyurethane all-water foaming material has the foam repairing glue of 15-25A of surface skin, 180-second surface dryness and 0.15-0.25g/cm3The two-component polyether type full-water foaming material is sprayed with a polyurethane urea coating, a polyurethane urea elastomer is sprayed on the surface of the polyurethane foam by using spraying equipment, the position of a surface defect is repaired by using a repair adhesive after 5-30 minutes, and finally a finished product is prepared: standing at room temperature for 20-24 hours, assembling, polishing the surface of the polyurethane urea elastomer, cleaning, spraying polyurethane finish with various colors cured at room temperature, and curing at room temperature for 1-3 days to obtain children amusement equipment and park sculptures in various shapes.
Example three:
in the second embodiment, the following steps are added:
in step 2, the polyurethane-urea elastomer material is sprayed by two components of which the hardness is 65-80A, the surface dry time is 10-20 seconds, the elongation at break is more than or equal to 400% and the tensile strength is more than or equal to 10MPa, and the two-component casting polyurethane elastomer material is sprayed by two components of which the hardness is 45-55A, the surface dry time is 10-20 minutes, the elongation at break is more than or equal to 150% and the tensile strength is more than or equal to 2 MPa.
Firstly, preprocessing a mould, cleaning the mould, fixing the mould on a bracket, spraying a release agent, spraying a polyurethane foam material in the mould by using a spraying device, taking the mould out after 15-30 minutes, repairing the defect position by using a foam repairing adhesive, repairing the edge and corner after placing the mould for 3-4 hours at room temperature, and removing the release agent, wherein the polyurethane foam material has the skin hardness of 15-25A, the surface hardness of 20-30 seconds and the surface hardness of 0.15-0.25g/cm3The two-component spraying polyether type polyurethane all-water foaming material has the foam repairing glue of 15-25A of surface skin, 180-second surface dryness and 0.15-0.25g/cm3The two-component polyether type full-water foaming material is sprayed with a polyurethane urea coating, a polyurethane urea elastomer is sprayed on the surface of the polyurethane foam by using spraying equipment, the position of a surface defect is repaired by using repair glue after 5-30 minutes, the polyurethane urea elastomer is a two-component spraying polyurethane urea elastomer material with the hardness of 65-80A, the surface dryness in 10-20 seconds, the elongation at break of more than or equal to 400 percent and the tensile strength of more than or equal to 10MPa, the hardness of the repair glue is 45-55A, the surface dryness in 10-20 minutes, the elongation at break of more than or equal to 150 percent and the tensile strength of more than or equal to 2MPa, and finally the two-component pouring polyurethane elastomer material is prepared into a finished product: standing at room temperature for 20-24 hours, assembling, polishing the surface of the polyurethane urea elastomer, cleaning, spraying polyurethane finish with various colors cured at room temperature, and curing at room temperature for 1-3 days to obtain children amusement equipment and park sculptures in various shapes.
Physical property table
The material compositions and corresponding physical properties of the polyurethane foam material, the foam repair adhesive, the polyurethane urea elastomer and the repair adhesive are shown in the following table:
although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. A method of making a child play device and park sculpture, characterized by: the method comprises the following steps:
step 1: spraying the foam: cleaning a mould, fixing the mould on a support, spraying a release agent, spraying a polyurethane foam material in the mould by using spraying equipment, taking the mould out after 15-30 minutes, repairing the defect position by using a foam repairing adhesive, and repairing corners after standing at room temperature for 3-4 hours, and removing the release agent;
step 2: spraying a polyurethane urea coating: spraying a polyurethane urea elastomer on the surface of the polyurethane foam by using spraying equipment, and repairing the surface defect position by using repair glue after 5-30 minutes;
and step 3: preparing a finished product: standing at room temperature for 20-24 hours, assembling, polishing the surface of the polyurethane urea elastomer, cleaning, spraying polyurethane finish with various colors cured at room temperature, and curing at room temperature for 1-3 days to obtain children amusement equipment and park sculptures in various shapes.
2. A method of making a children's ride and park sculpture, as claimed in claim 1, wherein: in step 1, the polyurethane foam material has a skin hardness of 15-25A, a surface dryness of 20-30 seconds and a surface dry content of 0.15-0.25g/cm3The two-component spraying polyether type polymerA polyurethane water-blown foam material.
3. A method of making a children's ride and park sculpture, as claimed in claim 1, wherein: in the step 1, the foam repairing adhesive is the surface layer 15-25A, the surface layer 180-240 seconds dry and the surface layer 0.15-0.25g/cm3The double-component polyether type full water foaming material.
4. A method of making a children's ride and park sculpture, as claimed in claim 1, wherein: in the step 2, the polyurethane urea elastomer material is sprayed by two components, wherein the hardness of the polyurethane urea elastomer is 65-80A, the surface dry time is 10-20 seconds, the elongation at break is more than or equal to 400%, and the tensile strength is more than or equal to 10 MPa.
5. A method of making a children's ride and park sculpture, as claimed in claim 1, wherein: in the step 2, the two-component casting polyurethane elastomer material with the repair adhesive hardness of 45-55A, surface drying within 10-20 minutes, elongation at break of more than or equal to 150% and tensile strength of more than or equal to 2MPa is prepared.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110919040.6A CN113733800A (en) | 2021-08-11 | 2021-08-11 | Method for preparing child amusement equipment and park sculpture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110919040.6A CN113733800A (en) | 2021-08-11 | 2021-08-11 | Method for preparing child amusement equipment and park sculpture |
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| Publication Number | Publication Date |
|---|---|
| CN113733800A true CN113733800A (en) | 2021-12-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110919040.6A Pending CN113733800A (en) | 2021-08-11 | 2021-08-11 | Method for preparing child amusement equipment and park sculpture |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5397609A (en) * | 1993-03-11 | 1995-03-14 | Chapman; Jeffrey A. | Carvable novelty articles and methods |
| CN101758597A (en) * | 2008-11-27 | 2010-06-30 | 天津市世纪东方建筑景观雕塑技术开发中心 | Method for making sculpture by using rigid polyurethane foam |
| CN103405916A (en) * | 2013-07-31 | 2013-11-27 | 徐光� | Polyurethane amusement naughty castle |
| CN104512083A (en) * | 2014-12-12 | 2015-04-15 | 上海瑞义聚氨酯科技有限公司 | Preparation technology of large-scale flexible recreation facility |
| CN104511992A (en) * | 2014-12-12 | 2015-04-15 | 上海瑞义聚氨酯科技有限公司 | Manufacturing technology of high-simulation flexible animal model |
| CN109110080A (en) * | 2017-06-23 | 2019-01-01 | 刘明明 | A kind of solid foam rubber fender polyureas reinforcement technique |
| CN112226071A (en) * | 2020-10-20 | 2021-01-15 | 安徽鑫熠通汽车部件有限公司 | Polyurethane rigid foam for processing automobile seat and manufacturing method thereof |
-
2021
- 2021-08-11 CN CN202110919040.6A patent/CN113733800A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5397609A (en) * | 1993-03-11 | 1995-03-14 | Chapman; Jeffrey A. | Carvable novelty articles and methods |
| CN101758597A (en) * | 2008-11-27 | 2010-06-30 | 天津市世纪东方建筑景观雕塑技术开发中心 | Method for making sculpture by using rigid polyurethane foam |
| CN103405916A (en) * | 2013-07-31 | 2013-11-27 | 徐光� | Polyurethane amusement naughty castle |
| CN104512083A (en) * | 2014-12-12 | 2015-04-15 | 上海瑞义聚氨酯科技有限公司 | Preparation technology of large-scale flexible recreation facility |
| CN104511992A (en) * | 2014-12-12 | 2015-04-15 | 上海瑞义聚氨酯科技有限公司 | Manufacturing technology of high-simulation flexible animal model |
| CN109110080A (en) * | 2017-06-23 | 2019-01-01 | 刘明明 | A kind of solid foam rubber fender polyureas reinforcement technique |
| CN112226071A (en) * | 2020-10-20 | 2021-01-15 | 安徽鑫熠通汽车部件有限公司 | Polyurethane rigid foam for processing automobile seat and manufacturing method thereof |
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