WO2013120398A1 - 含有硅藻基的聚氨酯发泡复合材料及其生产工艺 - Google Patents

含有硅藻基的聚氨酯发泡复合材料及其生产工艺 Download PDF

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WO2013120398A1
WO2013120398A1 PCT/CN2013/000412 CN2013000412W WO2013120398A1 WO 2013120398 A1 WO2013120398 A1 WO 2013120398A1 CN 2013000412 W CN2013000412 W CN 2013000412W WO 2013120398 A1 WO2013120398 A1 WO 2013120398A1
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polyurethane
diatom
mixed
foam composite
white
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PCT/CN2013/000412
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English (en)
French (fr)
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丘国豪
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上海高裕海绵制品有限公司
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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/34—Silicon-containing compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40—High-molecular-weight compounds
    • C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/0066—Use of inorganic compounding ingredients
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/34—Silicon-containing compounds
    • C08K3/36—Silica
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
    • C08L75/04—Polyurethanes
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G2101/00—Manufacture of cellular products
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2375/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
    • C08J2375/04—Polyurethanes

Definitions

  • the invention relates to the field of materials, and in particular to a polyurethane foam composite material. Background technique
  • diatomite As an important non-metallic material with light physical properties, soft, porous, heat-resistant, acid-resistant, large specific surface area and stable chemical properties, diatomite is mainly composed of Si0 2 and mineral components. Its variant makes it have good water absorption and permeability.
  • the diatom health daily necessities filling material is a known material of patent number 201010193575.1, and the diatom health daily commodity filling material contains diatomaceous earth, tourmaline, bentonite or attapulgite, which can adjust the air humidity and eliminate indoor air pollution and odor. Eliminate harmful bacteria, and the far infrared and negative oxygen ions released by tourmaline are beneficial to human health.
  • the quality of sleep determines the health of the human body, and the quality of sleep often depends on the quality of the indoor environment. While the human body is sleeping, the gastrointestinal motility is slowed down, and the harmful gases in the stomach will be removed from the body with the breathing, and other harmful gases and bacteria present in the indoor environment will increase indoor pollution, thereby affecting the quality of sleep. In order to improve such malignant effects, improving sleep quality should start with bedding and indoor environment, but the filling of conventional bedding products usually uses general polyurethane foam materials, which do not have special functions and cannot improve the living environment. Meet the requirements of people with high quality sleep. Summary of the invention
  • An object of the present invention is to provide a polyurethane foam composite material containing a diatom group, which solves the above technical problems.
  • a diatom-based polyurethane foam composite material comprising a polyurethane matrix, characterized in that the polyurethane matrix is a polyurethane matrix made of polyurethane material foaming.
  • the polyurethane material comprises a mixed material of a polyurethane black material, a polyurethane white material, and a diatom-based particle.
  • the present invention provides the polyurethane matrix of the present invention after adding diatom-based particles to the original polyurethane material. It has the function of absorbing and releasing moisture, and it is made into the filling material of furniture such as bedding or sofa, chair cushion, etc. It can automatically adjust the humidity in indoor air, adsorb and decompose harmful gases discharged by human body during sleep, eliminate odor and maintain indoor air. Fresh, reducing the possibility of bacterial growth. Thereby improving the quality of sleep and eliminating fatigue.
  • the diatom-based particles are diatom-based particles made of a diatom health commodity filling material.
  • the polyurethane black material, polyurethane white material, and diatom-based particles are mixed in a weight ratio of 40 to 70:100:20 to form the mixed material.
  • the diatom-based particles account for 10-50% of the total weight of the mixed material.
  • the diatom-based particles comprise the following raw materials of weight ratio: 75-90% diatomaceous earth, 3-15% electric stone, bentonite 7-12%.
  • the polyurethane white material includes a polyester polyol, a catalyst, and a foam stabilizer.
  • the polyurethane black material, the polyurethane white material, and the diatom-based particles are thoroughly mixed to form a mixed material.
  • the mixed material is foam molded to form a polyurethane matrix.
  • the polyurethane substrate is subjected to cooling and aging to form the diatom-based urethane foam composite.
  • the temperature of the polyurethane black material and the polyurethane white is always controlled at 18-25°.
  • the mixing time of the mixed material is 5-7 seconds.
  • Step 2) the foam molding process using the steps of: mixing the material into the mold, followed by foaming the mixed material is injected into the furnace expansion molding, the injection pressure of the mixed material is controlled 13-16MPa 0
  • step 3 the curing time of the polyurethane matrix is greater than or equal to 6 minutes.
  • the present invention enables the polyurethane matrix to have the characteristics that the diatom sputum filler material can absorb moisture, emit negative oxygen ions and far infrared, and is beneficial to improving people's living environment and purifying air.
  • Figure 1 is a flow chart of the process steps of the present invention.
  • the urethane-containing polyurethane foam composite material comprises a polyurethane matrix which is a polyurethane matrix made by foaming a polyurethane material, and the polyurethane material comprises a polyurethane black material, a polyurethane white material, and a diatom-based particle mixed material.
  • the invention adds the diatom-based particles to the original polyurethane material, and the polyurethane matrix of the invention has the function of absorbing and releasing moisture, and is made into a filling material for furniture such as a bedding or a sofa or a seat cushion, and can automatically adjust the indoor environment.
  • the humidity in the air absorbs and decomposes harmful gases emitted by the human body during sleep, eliminates odors, keeps the indoor air fresh, and reduces the possibility of bacterial growth. Thereby improving the quality of sleep and eliminating fatigue.
  • the diatom-based particles are diatom-based particles made of a diatom health commodity filling material.
  • the polyurethane black material, the polyurethane white material, and the diatom-based particles in the mixed material are mixed in a weight ratio of 40-70:100:20.
  • the diatom-based particles account for 10-50% of the total weight of the mixed material.
  • the present invention adds diatom-based particles as a raw material, so that the polyurethane matrix also has the function of absorbing and releasing moisture and emitting negative oxygen ions by the diatom-based particles, and the present invention is used as a bedding device.
  • the filling material can play the role of health care, improve the quality of sleep and improve the health of the body.
  • the diatom-based particles comprise the following raw materials of weight ratio: 75-90% diatomaceous earth, 3-15% tourmaline, bentonite 7-12%.
  • the polyurethane white material includes a polyester polyol, a catalyst, and a foam stabilizer.
  • a foam stabilizer can be used as the foam stabilizer.
  • the catalyst can be a Dabco catalyst and a stearic acid stannous.
  • the production process of a diatom-based polyurethane foam composite comprises the following steps: In the first step, the polyurethane black material, the polyurethane white material, and the diatom-based particles are thoroughly mixed to form a mixed material.
  • the specific operation is as follows.
  • the mixing material is mixed by the injection nozzle of the high-pressure foaming machine for a mixing time of 5-7 seconds, and the mixed material is heated during mixing, and the temperature of the mixed material is controlled at 18-25. (:.
  • the mixed material is foam molded to form a polyurethane matrix.
  • the specific operation steps are as follows: the mixed material is poured into the mold, and then the mixed material is injected into the foaming furnace for foam molding, and the injection pressure of the mixed material is controlled at 13-16 MPa.
  • high-pressure injection foaming may be performed at a normal temperature, or foaming may be performed by heating. If you need to heat foam, you need to mold
  • the mixed material is poured, and then the mixed material is injected into a foaming furnace at a temperature of 35 to 50 ° C to perform foam molding.
  • the polyurethane matrix is cooled and aged to form a urethane-containing polyurethane foam composite.
  • the curing time of the polyurethane matrix is greater than or equal to 6 minutes.
  • the mixed materials include polyurethane black, polyurethane white, diatom-based particles, polyurethane black, polyurethane white, and diatom-based particles mixed in a weight ratio of 40-70:100:20.
  • Embodiment 1 The urethane black material, the polyurethane white material, and the diatom-based particles in the mixed material are mixed in a weight ratio of 40:100:20.
  • Embodiment 2 The urethane black material, the polyurethane white material, and the diatom-based particles in the mixed material are mixed in a weight ratio of 50:100:20.
  • Embodiment 3 The urethane black material, the polyurethane white material, and the diatom-based particles in the mixed material are mixed in a weight ratio of 60:100:20.
  • Embodiment 4 The urethane black material, the polyurethane white material, and the diatom-based particles in the mixed material are mixed in a weight ratio of 70:100:20.

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  • 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)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

含有硅藻基的聚氨酯发泡复合材料，包括一聚氨酯基体，聚氨酯基体为采用聚氨酯材料发泡制成的聚氨酯基体，聚氨酯材料包括聚氨酯黑料、聚氨酯白料、硅藻基颗粒的混合材料。该复合材料的生产工艺包括如下步骤：1）将聚氨酯黑料、聚氨酯白料、硅藻基颗粒进行充分混合，形成一混合材料。2）将混合材料进行发泡成型，形成聚氨酯基体；3）将聚氨酯基体进行冷却熟化，形成含有硅藻基的聚氨酯发泡复合材料。该复合材料具有吸放湿气、放射负氧离子和远红外的特性，有利于改善人们的居住环境。

Description

含有硅藻基的聚氨酯发泡复合材料及其生产工艺 技术领域
本发明涉及材料领域， 具体涉及一种聚氨酯发泡复合材料。 背景技术
硅藻土作为一种体轻、 质软、 多孔、 耐热、 耐酸、 比表面积大、 化学性能 稳定等理化性能特殊的重要非金属材料， 其化学成分一 Si02为主， 矿物成分 为蛋白质及其变种，使其具有良好的吸水性和渗透性。而硅藻健康日用品填充 材料是专利号为 201010193575.1 的已知材料， 硅藻健康日用品填充材料内含 有硅藻土、 电气石， 膨润土或者凹凸棒土， 可调节空气湿度， 消除室内空气污 染和异味， 消除有害细菌， 且电气石释放的远红外线和负氧离子， 有利于人体 健康。
另外在生活中， 睡眠质量决定人体的健康，而睡眠质量的好坏很多时候取 决于室内环境的优劣。而人体在睡眠中， 肠胃蠕动减缓， 肠胃中的有害气体会 随呼吸排除体外，加上室内环境中存在的其他有害气体和细菌，则会加重室内 污染， 从而影响睡眠质量。为了改善这类恶性影响， 改善睡眠质量应该从卧具 和室内环境入手，但是常规床上用品的填充物通常使用的是一般的聚氨酯发泡 材料， 这类材料不具有特殊功能， 无法改善居住环境， 不能满足人高质量睡眠 的要求。 发明内容
本发明的目的在于提供一种含有硅藻基的聚氨酯发泡复合材料，解决以上 技术问题。
本发明所解决的技术问题可以采用以下技术方案来实现- 含有硅藻基的聚氨酯发泡复合材料， 包括一聚氨酯基体， 其特征在于， 所 述聚氨酯基体为采用聚氨酯材料发泡制成的聚氨酯基体，所述聚氨酯材料包括 聚氨酯黑料、 聚氨酯白料、 硅藻基颗粒的混合材料。
本发明在原来聚氨酯材料中添加了硅藻基颗粒后，使本发明的聚氨酯基体 具有吸收和释放湿气的功能，将其制作为卧具或者沙发、椅垫等家具的填充材 料， 能自动调节室内空气中湿度， 吸附并分解人体睡眠时排出的有害气体、消 除异味，保持室内空气新鲜，减少细菌滋生的可能性。从而改善人体睡眠质量、 消除疲劳。
所述硅藻基颗粒采用硅藻健康日用品填充材料制成的硅藻基颗粒。
所述聚氨酯黑料、 聚氨酯白料、 硅藻基颗粒以 40-70: 100： 20的重量比 列进行混合， 形成所述混合材料。
所述硅藻基颗粒占所述混合材料总重量的 10-50%。
所述硅藻基颗粒包含如下重量分配比列的原料： 75-90%硅藻土、 3-15%电 气石、 膨润土 7-12%。
所述聚氨酯白料包括聚酯型多元醇、 催化剂、 泡沬稳定剂。
所述含有硅藻基的聚氨酯发泡复合材料的生产工艺，其特征在于，包括如 下步骤：
1 ) 将聚氨酯黑料、 聚氨酯白料、 硅藻基颗粒进行充分混合， 形成一混合 材料。
2) 将所述混合材料进行发泡成型， 形成聚氨酯基体。
3 ) 将所述聚氨酯基体进行冷却熟化， 形成所述含有硅藻基的聚氨酯发泡 复合材料。
步骤 1 ) 中， 所述聚氨酯黑料、 聚氨酯白料、 硅藻基颗粒， 过高压发泡机 的注射枪头进行混合时， 所述聚氨酯黑料、 聚氨酯白的温度始终控制在 18-25°C , 所述混合材料的混合时间为 5-7秒。
步骤 2) 中， 发泡成型工艺采用如下步骤： 将混合材料倒入模具中， 随后 将混合材料注射入发泡炉内进行发泡成型， 混合材料的注射压力控制在 13-16MPa0
步骤 3) 中， 聚氨酯基体的熟化时间大于等于 6分钟。
有益效果： 由于采用以上技术方案，本发明使得聚氨酯基体也具有硅藻曰 用品填充材料能吸放湿气、放射负氧离子和远红外的特性，有利于改善人们的 居住环境、 净化空气。 图 1为本发明的工艺步骤流程图。
具体实施方式
为了使本发明实现的技术手段、创作特征、达成目的与功效易于明白了解， 下面结合具体图示进一步阐述本发明。
含有硅藻基的聚氨酯发泡复合材料，包括一聚氨酯基体，聚氨酯基体为采 用聚氨酯材料发泡制成的聚氨酯基体，聚氨酯材料包括聚氨酯黑料、聚氨酯白 料、硅藻基颗粒的混合材料。本发明在原来聚氨酯材料中添加了硅藻基颗粒后， 使本发明的聚氨酯基体具有吸收和释放湿气的功能， 将其制作为卧具或者沙 发、椅垫等家具的填充材料， 能自动调节室内空气中湿度， 吸附并分解人体睡 眠时排出的有害气体、消除异味，保持室内空气新鲜，减少细菌滋生的可能性。 从而改善人体睡眠质量、 消除疲劳。
硅藻基颗粒采用硅藻健康日用品填充材料制成的硅藻基颗粒。混合材料中 的聚氨酯黑料、 聚氨酯白料、 硅藻基颗粒以 40-70: 100: 20的重量比列进行混 合。 硅藻基颗粒占混合材料总重量的 10-50%。 本发明相比传统聚氨酯发泡材 料不同的是，添加了硅藻基颗粒作为原材料，使得聚氨酯基体也拥有了硅藻基 颗粒吸放湿气和放射负氧离子的功能，若以本发明作为卧具的填充材料，可以 起到保健醒脑的效用， 提髙人体睡眠质量， 增进身体健康。
硅藻基颗粒包含如下重量分配比列的原料： 75-90%硅藻土、 3-15%电气石、 膨润土 7-12%。 聚氨酯白料包括聚酯型多元醇、 催化剂、 泡沬稳定剂。 泡沬稳 定剂可以采用硅酮泡沫稳定剂。 催化剂可以采用 Dabco催化剂和幸酸亚锡。
参照图 1，含有硅藻基的聚氨酯发泡复合材料的生产工艺，包括如下步骤： 第一步， 将聚氨酯黑料、 聚氨酯白料、硅藻基颗粒进行充分混合， 形成一 混合材料。 具体操作如下， 利用高压发泡机的注射枪头对混合材料进行混合， 混合时间为 5-7 秒， 混合期间给混合材料进行加温， 混合材料的温度控制在 18-25。 (：。
第二步，将混合材料进行发泡成型，形成聚氨酯基体。具体操作步骤如下， 将混合材料倒入模具中， 随后将混合材料注射入发泡炉内进行发泡成型，混合 材料的注射压力控制在 13-16MPa。 在混合材料发泡成型过程中， 既可在常温 下进行高压注射发泡， 也可以加热进行发泡。如果需要加热发泡时， 需要将模 具先预热至 40±5 C后，倒入混合材料，随后将混合材料注射入温度在 35-50°C 的发泡炉内， 进行发泡成型。
第三步，将聚氨酯基体进行冷却熟化， 形成含有硅藻基的聚氨酯发泡复合 材料。 聚氨酯基体的熟化时间大于等于 6分钟。
混合材料包括聚氨酯黑料、 聚氨酯白料、 硅藻基颗粒， 聚氨酯黑料、 聚氨 酯白料、 硅藻基颗粒以 40-70: 100： 20的重量比列进行混合。
实施方式一： 混合材料中的氨酯黑料、 聚氨酯白料、 硅藻基颗粒以 40:100:20的重量比例混合。
实施方式二： 混合材料中的氨酯黑料、 聚氨酯白料、 硅藻基颗粒以 50:100:20的重量比例混合。
实施方式三： 混合材料中的氨酯黑料、 聚氨酯白料、 硅藻基颗粒以 60:100:20的重量比例混合。
实施方式四： 混合材料中的氨酯黑料、 聚氨酯白料、 硅藻基颗粒以 70:100:20的重量比例混合。
以上显示和描述了本发明的基本原理和主要特 ίΕ和本发明的优点。本行业 的技术人员应该了解，本发明不受上述实施例的限制， 上述实施例和说明书中 描述的只是说明本发明的原理，在不脱离本发明精神和范围的前提下，本发明 还会有各种变化和改进，这些变化和改进都落入要求保护的本发明范围内。本 发明要求保护范围由所附的权利要求书及其等效物界定。

Claims

綱
1. 含有硅藻基的聚氨酯发泡复合材料， 包括一聚氨酯基体， 其特征在于， 所述聚氨酯基体为采用聚氨酯材料发泡制成的聚氨酯基体，所述聚氨酯材料包 括聚氨酯黑料、 聚氨酯白料、 硅藻基颗粒的混合材料。
2. 根据权利要求 1 所述的含有硅藻基的聚氨酯发泡复合材料， 其特征在 于： 所述硅藻基颗粒釆用硅藻健康日用品填充材料制成的硅藻基颗粒。
3. 根据权利要求 2所述的含有硅藻基的聚氨酯发泡复合材料， 其特征在 于： 所述聚氨酯黑料、 聚氨酯白料、 硅藻基颗粒以 40-70: 100： 20的重量比 列进行混合形成所述混合材料。
4. 根据权利要求 3所述的含有硅藻基的聚氨酯发泡复合材料， 其特征在 于： 所述硅藻基颗粒占所述混合材料总重量的 10-50%。
5. 根据权利要求 4所述的含有硅藻基的聚氨酯发泡复合材料， 其特征在 于- 所述硅藻基颗粒包含如下重量分配比列的原料： 75-90%硅藻土、 3-15%电 气石、 膨润土 7-12%。
6. 根据权利要求 5所述的含有硅藻基的聚氨酯发泡复合材料， 其特征在 于： 所述聚氨酯白料包括聚酯型多元醇、 催化剂、 泡沫稳定剂。
7. 所述含有硅藻基的聚氨酯发泡复合材料的生产工艺， 其特征在于， 包 括如下步骤：
1 ) 将聚氨酯黑料、 聚氨酯白料、 硅藻基颗粒进行充分混合， 形成一混合 材料；
2) 将所述混合材料进行发泡成型， 形成聚氨酯基体；
3) 将所述聚氨酯基体进行冷却熟化， 形成所述含有硅藻基的聚氨酯发泡 复合材料。
8. 根据权利要求 7所述的所述含有硅藻基的聚氨酯发泡复合材料的生产 工艺， 其特征在于： 步骤 1 )中， 所述聚氨酯黑料、聚氨酯白料、硅藻基颗粒， 过高压发泡机的注射枪头进行混合时，所述聚氨酯黑料、聚氨酯白的温度始终 控制在 18-25°C， 所述混合材料的混合时间为 5-7秒。
9. 根据权利要求 8所述的所述含有硅藻基的聚氨酯发泡复合材料的生产 工艺， 其特征在于： 步骤 2) 中， 发泡成型工艺采用如下步骤： 将混合材料倒 入模具中， 随后将混合材料注射入发泡炉内进行发泡成型；
混合材料的注射压力控制在 13-16MPa。
10. 根据权利要求 7所述的所述含有硅藻基的聚氨酯发泡复合材料的生产 工艺， 其特征在于： 步骤 3 ) 中， 聚氨酯基体的熟化时间大于等于 6分钟。
PCT/CN2013/000412 2012-02-15 2013-04-10 含有硅藻基的聚氨酯发泡复合材料及其生产工艺 WO2013120398A1 (zh)

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