Polyurethane foaming material and preparation method
What is Al technical title?
Al technical title is built by PatSnap Al team. It summarizes the technical point description of the patent document.
A foaming material and polyurethane technology, applied in the field of polyurethane foaming materials and preparation, can solve the problems of lack of toughness, influence on service life and performance, and achieve the effects of enhancing shockproof performance, improving service life and enhancing toughness
Inactive Publication Date: 2020-09-11
SHANGHAI KEDUN MEDICAL INSTR SCI & TECH
View PDF3 Cites 4 Cited by
Summary
Abstract
Description
Claims
Application Information
AI Technical Summary
This helps you quickly interpret patents by identifying the three key elements:
Problems solved by technology
Method used
Benefits of technology
Problems solved by technology
[0003] Polyurethane foaming materials are characterized by variable polymer structures, which can meet a wide range of application needs. However, due to the limitations of traditional foaming materials and processes, polyester amine foaming materials, especially hard foams, are closed-cell structures. It is lacking in toughness, but this kind of foaming material is mostly used in building materials, and the level of toughness also affects its service life and performance, so improving the toughness of this kind of foaming material is a hot spot at this stage
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more
Image
Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
Click on the blue label to locate the original text in one second.
Reading with bidirectional positioning of images and text.
Smart Image
Examples
Experimental program
Comparison scheme
Effect test
Embodiment 1
[0018] Example 1: A polyurethane foam material comprises the following raw materials in parts by weight: 50 parts of polyether polyol, 15 parts of isocyanate, 5 parts of low-temperature resistant silicone rubber, 8 parts of modified attapulgite, 3 parts of flame retardant, antioxidant 1 part, 1 part of foaming agent, 5 parts of chain extender, 1 part of benzotriazole anti-ultraviolet agent, 0.5 part of pigment, 5 parts of filler, 2 parts of plasticizer.
[0019] A method for preparing a polyurethane foam material is as follows: according to the proportion of raw materials by weight of the polyurethane foam material in Example 1, adding polyether polyol into a stirring tank and heating it up to 85°C, mixing it with low-temperature-resistant silicone rubber, and using ultrasonic vibration to evenly For mixture A, add modified attapulgite, flame retardant, antioxidant, foaming agent, chain extender, benzotriazole anti-ultraviolet agent, pigment, filler, plasticizer to mixture A an...
Embodiment 2
[0021] Example 2: A polyurethane foam material comprises the following raw materials in parts by weight: 65 parts of polyether polyol, 20 parts of isocyanate, 10 parts of low temperature resistant silicone rubber, 12 parts of modified attapulgite, 6 parts of flame retardant, antioxidant 3 parts, 3 parts of foaming agent, 8 parts of chain extender, 3 parts of benzotriazole anti-ultraviolet agent, 3 parts of pigment, 10 parts of filler, 4 parts of plasticizer, the preparation method of embodiment 2 is the same as that of embodiment 1 .
Embodiment 3
[0022] Example 3: A polyurethane foam material comprises the following raw materials in parts by weight: 60 parts of polyether polyol, 18 parts of isocyanate, 8 parts of low-temperature resistant silicone rubber, 10 parts of modified attapulgite, 5 parts of flame retardant, antioxidant 2 parts, foaming agent 2 parts, chain extender 6 parts, benzotriazole anti-ultraviolet agent 2 parts, pigment 1 part, filler 6 parts, plasticizer 3 parts. The preparation method of embodiment 3 is the same as that of embodiment 1.
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more
PUM
Login to view more
Abstract
The invention discloses a polyurethane foaming material which comprises the following raw materials in parts by weight: 50-65 parts of polyether polyol, 15-20 parts of isocyanate, 5-10 parts of low-temperature-resistant silicone rubber, 8-12 parts of modified attapulgite, 3-6 parts of a flame retardant, 1-3 parts of an antioxidant, 1-3 parts of a foaming agent, 5-8 parts of a chain extender, 1-3 parts of a benzotriazole anti-ultraviolet agent, 0.5-3 parts of a pigment, 5-10 parts of a filler and 2-4 parts of a plasticizer. The nano silicon dioxide is added into the foaming agent, so that the modification of the foaming agent on polyurethane is effectively improved, the toughness of the foamed foaming material is enhanced, and the foaming material has high wear resistance and tensile resistance. The foaming material prepared by adding the low-temperature-resistant silicone rubber in the preparation process has a relatively good low-temperature-resistant effect, the application range ofthe foaming material is enlarged, the anti-ultraviolet agent and the flame retardant are also added in the preparation process, the foaming material has relatively good ultraviolet radiation resistance and flame-retardant effect, and the service life of the foaming material is prolonged.
Description
technical field [0001] The invention relates to a polyurethane foam material and a preparation method, and specifically belongs to the technical field of polyurethane material preparation. Background technique [0002] Polyurethane foam products refer to plastic products made of resin as the matrix with many tiny cells inside the material. Because of its many cells and full of air, it has light specific gravity, excellent heat insulation, sound insulation, shock absorption and other properties. At this stage, almost all polymer materials can be processed into foam materials, which broadens its application fields and reduces costs. [0003] Polyurethane foaming materials are characterized by variable polymer structures, which can meet a wide range of application needs. However, due to the limitations of traditional foaming materials and processes, polyester amine foaming materials, especially hard foams, are closed-cell structures. It is lacking in toughness, but this kind ...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more
Application Information
Patent Timeline
Application Date:The date an application was filed.
Publication Date:The date a patent or application was officially published.
First Publication Date:The earliest publication date of a patent with the same application number.
Issue Date:Publication date of the patent grant document.
PCT Entry Date:The Entry date of PCT National Phase.
Estimated Expiry Date:The statutory expiry date of a patent right according to the Patent Law, and it is the longest term of protection that the patent right can achieve without the termination of the patent right due to other reasons(Term extension factor has been taken into account ).
Invalid Date:Actual expiry date is based on effective date or publication date of legal transaction data of invalid patent.
Login to view more 
Login to view more