• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    Disclosed is a latex sponge. The latex sponge is prepared by using the following substances in parts by weight in a preparation process: 100 parts of polyether polyol, 35 to 75 parts of isocyanate, 0.5 to 1.5 parts of ethylene glycol, 0.2 to 0.6 part of catalyst, 1.2 to 1.3 parts of silicone oil, and 1.5 to 3.5 parts of foaming agent water. By adjusting raw materials and a formula of the product, the latex sponge without pungent smell of rubber is produced by using a slow-resilience sponge treatment technology, the latex sponge is essentially sponge but has characteristics of latex, and the latex sponge is better than latex and has no pungent smell of latex; and the latex sponge is soft, odorless and strong in comfort, can meet requirements of people on both sponge and latex, and ca completely substitute the sponge and latex. A foaming density of the latex sponge of the present invention may be approximately 40D, a large quantity of raw materials is saved, and a density of the finished latex is at least 70D.
    公开号:DK201570796A1
    申请号:DK201570796
    申请日:2015-12-03
    公开日:2015-12-21
    发明作者:Zhanggen Ni；Tao Lin
    申请人:Jiangsu Healthcare Technology Co Ltd；
    IPC主号:
    专利说明:

    A LATEX SPONGE
    TECHNICAL FIELD
    1 The present invention relates to a latex sponge (or foam).
    BACKGROUND ART
    s With the improvements in living standards, requirements for sponge are alsogetting higher and higher. When people select sponge (or foam), the feel of touchand elasticity are the main judging factors. The soft touch and elastic sponges arepopular among consumers. Comparing with a conventional sponge, a latex sponge is asponge with pore structures and has high elasticity and good load-carrying properties.It is comfortable and durable. At the same time, because the latex cannot be easilyvacuum packed, the application and market space of latex is limited.
    SUMMARY OF THE INVENTION
    I An object of the present invention is to provide a latex sponge that is withoutpungent smell of rubber, has high density, and/or can be vacuum packed, ! To solve the above technical problem, a technical solution adopted by thepresent invention is: A latex sponge comprises the following substances in parts byweight in a preparation process: 100 pis. wt. of polyether polyol, 35-75 pts. wt. ofisocyanate, 0.5-1.5 pts. wt. of glycol, 0,2-0.6 pts. wt. of a catalyst, 1.2-1.3 pts. wt. ofsilicone oil, and 1.5-3.5 pts. wt. of a foaming agent (e.g., water).
    I In further embodiments, said polyether polyol may be a graft polyether,polyoxypropylene diol, polyoxyethylene oxypropylene triol copolymer,polyoxypropylene glyceryl ether, or a mixture of such polyether polyols. A graftpolyether may he synthesized based on a reactive polyether, for example by reactingethylene oxide and/or propylene oxide with glycerol.
    ! In further embodiments, said catalyst may be any catalyst known in the art forthe manufacturing of latex sponges, such as triethylene diamine.
    1 In further embodiments, said silicone oil may be any silicone oil for soft foammanufacturing, ] The manufacturing process of said latex sponge may be the same as themanufacturing process for a slow rebound sponge according to patent application ofCN1017Q9143A.
    I The advantages of the present invention may include one or more of thefollowing: by adjusting the raw materials and recipes for the products, latex spongeswithout pungent smell of rubber can be produced by adopting the manufacturingprocess for the manufacturing of a slow rebound sponge. At the same time, die latexcannot be vacuum packed, but the latex sponge can. The foaming density of a latexsponge of the present invention may be around 40D and the density of the end latexsponge may be at least 70D so that lots of raw materials are saved.
    DETAILED DESCRIPTION
    I For full understanding of the technical essence and beneficial effects of thepresent invention by the public, exemplary embodiments of the present invention willbe described in detail. However, the description of embodiments of the applicant isnot intended as a limitation of the invention. Any formal non-essential modificationsor variations according to the concept of the present invention should be deemed tofall within the scope of the present invention.
    Example 1 I A latex sponge is prepared comprising the following substances in parts byweight in a preparation process: 65 pts. wt. of polyoxyethylene oxypropylene triolcopolymer, 20 pts. wt. of a reactive polyether-based synthetic graft polyethers, 10 pts.wt. of polyoxypropylene diol, 5 pis. wt. of polyoxypropylene glyceryl ether, 57.7 pts.wt. of an isocyanate, 1 pts. wt. of glycol, 0.4 pts, wt. of triethylene diamine, 1.2 pts.
    wt. of silicone oil, wherein the silicon oil is polysiloxane polyether copolymer, and2,7 pts. wt. of a foaming agent (i.e., water).
    1 A latex sponge with density of 40D, which is soft and comfort to use, can beobtained with the above mentioned materials according to the manufacturing methodfor a slow rebound sponge. Any process commonly used in the art for themanufacturing of a latex sponge may be used, such as the processes disclosed inCN101709143A. The physical properties are as follows: extension percentage, 175%; tensile-strength, 51.7kPa; degree of hardness, 8 ILD.
    Example 2 1 A recipe of the latex sponge of the present invention comprises the followingmaterials in parts by weight in a preparation process: 65 pts. wt. of polyoxyethyleneoxypropylene triol copolymer, 20 pts. wt. of reactive polyether of polyether-basedsynthetic graft polyethers, 15 pts. wt. of polyoxypropylene glyceryl ether, 49 pts. wt,of an isocyanate, 1 pts. wt. of glycol, 0.4 pts. wt. of triethylene diamine, 1.3 pts. wt. ofsilicon oil, wherein the silicon oil is polysiloxane polyether copolymer, and 2.25 pts.wt. of foaming agent (i.e. water).
    1 A latex sponge with density of 45D, which has the same touch feel with thelatex, can be obtained with the above mentioned materials according to amanufacturing method for a slow rebound sponge. The physical properties are asfollows: extension percentage, 160%; tensile-strength, 53; degree of hardness, 8 ILD.
    Example 3 1 A recipe of the latex sponge of the present invention comprises the followingsubstances in parts by weight in a preparation process: 65 pts. wt. of polyoxyethyleneoxypropylene triol copolymer, 20 pts. wt. of reactive polyether-based synthetic graftpolyethers, 10 pts, wt. of polyoxypropylene diol, 5 pts. wt. of polyoxypropyleneglyceryl ether, 51 pts. wt. of an isocyanate, 1 pts. wt. of glycol, 0.2 pts. wt. of triethylene diamine, 1.2 pts. wt. of silicone oil, wherein the silicone oil is polysiloxanepolyether copolymer, and 2 pts. wt. of foaming agent (i.e., water).
    ] A latex sponge with density of 50D, which is comfortable to touch, can beobtained with the above mentioned materials according to a manufacturing methodfor a slow rebound sponge. The physical properties are as follows: extensionpercentage, 166%'; tensile-strength, 55; degree of hardness, 8 ILD.
    Example 4 ] A recipe of the latex sponge of the present invention comprises the followingsubstances in parts by weight in a preparation process: 65 pts. wt. of polyoxyethyleneoxypropylene triol copolymer, 20 pts. wt. of reactive polyether of polyether-basedsynthetic graft polyethers, 15 pts. wt. of polyoxypropylene glyceryl ether, 62 pts. wt.of an isocyanate, 1 pts. wt. of glycol, 0.6 pts. wt. of triethylene diamine, 1.3 pts. wt. ofsilicon oil, wherein the silicone oil is polysiloxane polyether copolymer, and 3 pts. wt.of foaming agent (i.e., water).
    1 A latex sponge with density of 35D (D = Kg/m3) without latex touch feel, can beobtained with the above mentioned materials according to a manufacturing methodfor a slow rebound sponge. The physical properties are as follows: extensionpercentage, 150%; tensile-strength, 52; degree of hardness, 9 ILD (indentation load deflection).
    I Latex sponges of the present invention are essentially sponges in nature.However, they also have the characters of latex and are better titan latex.Conventional latex has pungent smell and is limited by the raw material. In contrast,the latex sponges of the invention are soft and comfortable, have no smell, satisfy theparalleling requirements of sponge and latex, and can replace the sponge and latexcompletely.
    权利要求:
    Claims (4)
    [1] 1. A latex sponge made from a mixture comprising the following materials in parts byweight: 100 pts. wt. of a polyether polyol, 35-75 pts, wt. of an isocyanate, 0.5-1.5 pts. wt. of aglycol, 0.2-0.6 pts. wt. of a catalyst, 1.2-1.3 pts. wt. of a silicone oil, and 1.5-3.5 pts. wt. ofwater that functions as a foaming agent.
    [2] 2. The latex sponge according to claim 1, wherein the polyether polyol is a graftpolyether, polyoxypropylene diol, polyoxyethylene oxypropylene trio! copolymer, orpolyoxypropylene glyceryl ether.
    [3] 3. The latex sponge according to claim 1, wherein the catalyst is triethylene diamine.
    [4] 4. The latex sponge according to claim 1, wherein the silicone oil is silicone oil for softform process.
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    同族专利:
    公开号 | 公开日
    DK179030B1|2017-09-04|
    US20160068645A1|2016-03-10|
    WO2014183332A1|2014-11-20|
    CN103289362A|2013-09-11|
    CA2874798A1|2014-11-20|
    CA2874798C|2016-10-25|
    DK179030B8|2017-09-25|
    DE212013000299U1|2016-01-18|
    引用文献:
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    CN101897480A|2010-06-30|2010-12-01|百氏得森精细化工有限公司|Aroma-emitting underwear chest pad containing essential oil and preparation method thereof|
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    ES2565762T3|2010-09-07|2016-04-06|Dow Global Technologies Llc|Process to obtain a viscoelastic mdi polyurethane foam with low permanent deformation by compression and high air circulation|
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    CN103289362A|2013-05-17|2013-09-11|江苏恒康家居科技股份有限公司|Latex sponge|CN103289362A|2013-05-17|2013-09-11|江苏恒康家居科技股份有限公司|Latex sponge|
    CN105614973B|2015-12-25|2017-07-14|广东宏杰内衣实业有限公司|A kind of bone free brassiere wrapping process|
    CN108373549A|2018-01-24|2018-08-07|鹤山市怡欣纤维制品有限公司|The production technology of latex foam|
    CN108752565B|2018-05-24|2019-09-27|北京孝夕阳科技发展有限公司|A kind of foamed material and foam-formed part|
    CN109021208A|2018-06-04|2018-12-18|江门市多普达实业有限公司|A kind of newborn sponge of parent and its production technology|
    CN110283293B|2019-06-24|2021-12-24|红宝丽集团股份有限公司|Latex-like polyurethane soft foam prepared from isocyanate-terminated prepolymer|
    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    CN2013101838628A|CN103289362A|2013-05-17|2013-05-17|Latex sponge|
    CN201310183862|2013-05-17|
    CN2013079264|2013-07-12|
    PCT/CN2013/079264|WO2014183332A1|2013-05-17|2013-07-12|Latex sponge|
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