CN114561088A - Reinforced foam material - Google Patents
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Abstract
Description
技术领域technical field
本发明属于发泡材料领域，具体地说是一种增强发泡材料，应用于风电、船舶、航空航天、建筑工业等。The invention belongs to the field of foamed materials, in particular to a reinforced foamed material, which is applied to wind power, ships, aerospace, construction industries and the like.
背景技术Background technique
随着社会的发展和进步，各行各业对塑料性能的要求也越来越高，人们越来越青睐于环保、安全、质轻、性价比高的材料。聚合物发泡材料是一种以树脂为基体，在材料内部有大量气泡，可以看作以气体为填充材料的固/气复合材料。发泡材料质量轻，比强度高且具备缓冲、吸声、保温等功能，在游艇、高铁、汽车、包装、航空航天、家电、风电叶片等领域应用广泛。With the development and progress of society, all walks of life have higher and higher requirements for plastic performance, and people are increasingly favoring materials that are environmentally friendly, safe, lightweight and cost-effective. The polymer foam material is a resin-based material with a large number of air bubbles inside the material, which can be regarded as a solid/gas composite material with gas as the filling material. Foamed materials are light in weight, high in specific strength and have functions such as buffering, sound absorption, and heat preservation. They are widely used in yachts, high-speed rail, automobiles, packaging, aerospace, home appliances, wind power blades and other fields.
在一些情况下，聚合物发泡基体材料虽然能够做到缓冲、保温等要求，材料的比强度较高，但是材料的整体强度低，影响了材料的广泛应用，聚合物材料的增强是一种提高材料强度手段，一般是用具有一定长径比的无机材料增强塑料，无机长径比材料含量越高，复合材料强度越高，由于复合材料比重高，限制其在要求轻量化的场合应用。In some cases, although the polymer foam matrix material can meet the requirements of buffering and heat preservation, and the specific strength of the material is high, the overall strength of the material is low, which affects the wide application of the material. The reinforcement of the polymer material is a kind of The method to improve the strength of the material is generally to use inorganic materials with a certain aspect ratio to reinforced plastics. The higher the inorganic aspect ratio material content, the higher the strength of the composite material. Due to the high specific gravity of the composite material, it is limited in applications requiring lightweight.
发明内容SUMMARY OF THE INVENTION
本发明提供一种增强发泡材料，用以解决现有技术中的缺陷。The present invention provides a reinforced foam material to solve the defects in the prior art.
本发明通过以下技术方案予以实现：The present invention is achieved through the following technical solutions:
一种增强发泡材料，包括发泡基体和增强柱，所述的增强柱按照与发泡基体1：0.1-20的比例均匀的分布在发泡基体中。A reinforced foaming material includes a foamed matrix and a reinforcement column, and the reinforcement column is uniformly distributed in the foamed matrix according to the ratio of 1:0.1-20 of the foamed matrix.
如上所述的一种增强发泡材料，所述的发泡基体和增强柱复合的发泡材料的密度为50-400kg/m3。In the above-mentioned reinforced foamed material, the density of the foamed material compounded by the foamed matrix and the reinforcing column is 50-400 kg/m 3 .
如上所述的一种增强发泡材料，所述的发泡基体为PET、PETG、PLA、PA、PPS其中的任意一种在加入发泡剂制备而成，所述的发泡基体的发泡倍率为4-30。A kind of reinforced foaming material as mentioned above, the foaming matrix is prepared from any one of PET, PETG, PLA, PA, PPS by adding a foaming agent, and the foaming of the foaming matrix is prepared by adding a foaming agent. The magnification is 4-30.
如上所述的一种增强发泡材料，所述的发泡剂为烷烃、超临界二氧化碳、超临界氮气、氟利昂其中的任意一种或任意两种以上以任意比例混合的混合物。In the above-mentioned reinforced foaming material, the foaming agent is any one of alkane, supercritical carbon dioxide, supercritical nitrogen, and freon, or a mixture of any two or more of them mixed in any proportion.
如上所述的一种增强发泡材料，所述的增强柱为基材添加增强改性剂制备而成。In the above-mentioned reinforced foaming material, the reinforced column is prepared by adding a reinforced modifier to the base material.
如上所述的一种增强发泡材料，所述的所述的增强改性剂的添加量占增强柱总重量的0-50％。In the above-mentioned reinforcing foam material, the added amount of the reinforcing modifier accounts for 0-50% of the total weight of the reinforcing column.
如上所述的一种增强发泡材料，所述的基材为PET、PETG、PLA、PA其中的任意一种或任意两种以上以任意比例混合的混合物。In the above-mentioned reinforced foaming material, the base material is any one of PET, PETG, PLA, PA, or a mixture of any two or more mixed in any proportion.
如上所述的一种增强发泡材料，所述的增强改性剂为玻璃纤维、碳纤维、硅灰石其中的任意一种或任意两种以上以任意比例混合的混合物。In the above-mentioned reinforced foaming material, the reinforcing modifier is any one of glass fiber, carbon fiber and wollastonite, or a mixture of any two or more mixed in any proportion.
本发明的优点是：本发明与现有发泡材料相比，增强柱在发泡基质中起到重要的结构支撑作用；发泡基质起到减轻重量和一定抗冲击作用，且本发明制备的发泡材料的压缩强度调控范围为0.5-20MPa，压缩模量范围为60-950MPa；拉伸强度调控范围为0.5-20MPa，拉伸模量调控范围为50-1000MPa；剪切强度调控范围为0.1-10MPa，剪切模量调控范围为10-220MPa，本发明的制备的发泡材料具有强度高、比重低的优势，便于广泛推广和应用。The advantages of the present invention are: compared with the existing foamed material, the reinforcing column plays an important structural support role in the foamed matrix; the foamed matrix plays a role of reducing weight and certain impact resistance, and the The control range of compressive strength of foamed material is 0.5-20MPa, the range of compressive modulus is 60-950MPa; the control range of tensile strength is 0.5-20MPa, the control range of tensile modulus is 50-1000MPa; the control range of shear strength is 0.1 -10MPa, the shear modulus control range is 10-220MPa, the foamed material prepared by the invention has the advantages of high strength and low specific gravity, and is convenient for wide popularization and application.
附图说明Description of drawings
为了更清楚地说明本发明实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作一简单地介绍，显而易见地，下面描述中的附图是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动性的前提下，还可以根据这些附图获得其他的附图。In order to illustrate the embodiments of the present invention or the technical solutions in the prior art more clearly, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are some embodiments of the present invention, and for those of ordinary skill in the art, other drawings can also be obtained from these drawings without any creative effort.
图1是本发明制备发泡材料的性能检测报告。Fig. 1 is the performance test report of the foamed material prepared by the present invention.
具体实施方式Detailed ways
为使本发明实施例的目的、技术方案和优点更加清楚，下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。In order to make the purposes, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments These are some embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.
实施案例1：增强发泡材料的发泡基体材质为PET，发泡剂为环戊烷，发泡倍率为4，增强柱材质为PET，增强柱的增强改性剂为玻纤，玻纤含量为10％。所组成的复合材料的密度为400kg/m3。Example 1: The foaming matrix of the reinforced foaming material is PET, the foaming agent is cyclopentane, the foaming ratio is 4, the material of the reinforcing column is PET, the reinforcing modifier of the reinforcing column is glass fiber, and the glass fiber content is 10%. The density of the composed composite material was 400 kg/m 3 .
经过测试，发泡增强复合材料的强度为：压缩强度为15.4MPa，拉伸强度为11.3MPa，剪切强度为8.3MPa。After testing, the strength of the foamed reinforced composite material is: compressive strength is 15.4MPa, tensile strength is 11.3MPa, shear strength is 8.3MPa.
实施案例2：增强发泡材料的发泡基体材质为PET，发泡剂为环戊烷和二氧化碳(3:1)，发泡倍率为30，增强柱材质为PET，增强柱的增强改性剂为玻纤，玻纤含量为30％。所组成的复合材料的密度为150kg/m3。Example 2: The foaming matrix of the reinforced foaming material is PET, the foaming agent is cyclopentane and carbon dioxide (3:1), the foaming ratio is 30, the material of the reinforcing column is PET, and the reinforcing modifier of the reinforcing column is It is glass fiber, and the glass fiber content is 30%. The density of the composed composite material was 150 kg/m 3 .
经过测试，发泡增强复合材料的强度为：压缩强度为5.2MPa，拉伸强度为7.3MPa，剪切强度为3.5MPa。After testing, the strength of the foamed reinforced composite material is: compressive strength is 5.2MPa, tensile strength is 7.3MPa, shear strength is 3.5MPa.
实施案例3：增强发泡材料的发泡基体材质为PET，发泡剂为环戊烷，发泡倍率为30，增强柱材质为PET，增强柱的增强改性剂为玻纤，玻纤含量为20％。所组成的复合材料的密度为100kg/m3。Example 3: The foaming matrix of the reinforced foaming material is PET, the foaming agent is cyclopentane, the foaming ratio is 30, the material of the reinforcing column is PET, the reinforcing modifier of the reinforcing column is glass fiber, and the glass fiber content 20%. The density of the composed composite material was 100 kg/m 3 .
经过测试，发泡增强复合材料的强度为：压缩强度为3.5MPa，拉伸强度为6.9MPa，剪切强度为3.7MPa。After testing, the strength of the foamed reinforced composite material is: the compressive strength is 3.5MPa, the tensile strength is 6.9MPa, and the shear strength is 3.7MPa.
实施案例4：增强发泡材料的发泡基体材质为PET，发泡剂为环戊烷，发泡倍率为20，增强柱材质为PET，增强柱的增强改性剂为玻纤，玻纤含量为20％。所组成的复合材料的密度为150kg/m3。Example 4: The foaming matrix of the reinforced foaming material is PET, the foaming agent is cyclopentane, the foaming ratio is 20, the material of the reinforcing column is PET, the reinforcing modifier of the reinforcing column is glass fiber, and the glass fiber content 20%. The density of the composed composite material was 150 kg/m 3 .
经过测试，发泡增强复合材料的强度为：压缩强度为5.0MPa，拉伸强度为7.1MPa，剪切强度为3.2MPa。After testing, the strength of the foam-reinforced composite material is: compressive strength of 5.0 MPa, tensile strength of 7.1 MPa, and shear strength of 3.2 MPa.
实施案例5：增强发泡材料的发泡基体材质为PET，发泡剂为环戊烷，发泡倍率为10，增强柱材质为PET，增强柱的增强改性剂为玻纤，玻纤含量为5％。Example 5: The foaming matrix material of the reinforced foaming material is PET, the foaming agent is cyclopentane, the foaming ratio is 10, the material of the reinforcing column is PET, the reinforcing modifier of the reinforcing column is glass fiber, and the glass fiber content is 5%.
所组成的复合材料的密度为200kg/m3。The density of the composed composite material was 200 kg/m 3 .
经过测试，发泡增强复合材料的强度为：压缩强度调控范围为5.2MPa，拉伸强度调控范围为12.3MPa，剪切强度调控范围为8.6MPa。After testing, the strength of the foamed reinforced composite material is: the control range of compressive strength is 5.2MPa, the control range of tensile strength is 12.3MPa, and the control range of shear strength is 8.6MPa.
实施案例6：增强发泡材料的发泡基体材质为PET，发泡剂为环戊烷，发泡倍率为10，增强柱材质为PET，增强柱的增强改性剂为玻纤，玻纤含量为10％。所组成的复合材料的密度为200kg/m3。Example 6: The foaming matrix material of the reinforced foaming material is PET, the foaming agent is cyclopentane, the foaming ratio is 10, the material of the reinforcing column is PET, the reinforcing modifier of the reinforcing column is glass fiber, and the glass fiber content is 10%. The density of the composed composite material was 200 kg/m 3 .
经过测试，发泡增强复合材料的强度为：压缩强度为6.3MPa，拉伸强度为14.2MPa，剪切强度为8.3MPa。After testing, the strength of the foamed reinforced composite material is: compressive strength is 6.3MPa, tensile strength is 14.2MPa, shear strength is 8.3MPa.
由实施例1-6可知本发明制备的发泡材料性能优异，且比重低，便于广泛推广和应用。It can be seen from Examples 1-6 that the foamed material prepared by the present invention has excellent performance and low specific gravity, which is convenient for wide popularization and application.
最后应说明的是：以上实施例仅用以说明本发明的技术方案，而非对其限制；尽管参照前述实施例对本发明进行了详细的说明，本领域的普通技术人员应当理解：其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分技术特征进行等同替换；而这些修改或者替换，并不使相应技术方案的本质脱离本发明各实施例技术方案的精神和范围。Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, but not to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand: it can still be Modifications are made to the technical solutions described in the foregoing embodiments, or some technical features thereof are equivalently replaced; and these modifications or replacements do not make the essence of the corresponding technical solutions depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
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| JPH07268192A (en) * | 1994-03-30 | 1995-10-17 | Mitsubishi Chem Corp | Glass fiber reinforced polyethylene terephthalate composition and injection molded article comprising the same |
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