Eureka AIR delivers breakthrough ideas for toughest innovation challenges, trusted by R&D personnel around the world.

High-damping composite foam and preparation method thereof

A composite foam, high damping technology, applied in the field of composite foam, can solve the problems of composite foam vibration damage, reduce service life, etc., achieve the effect of reducing water pressure shock resistance, improving service life, and simple molding process

Inactive Publication Date: 2020-05-22
GONG YI VAN-RES INNOVATION COMPOSITE MATERIAL CO LTD
View PDF9 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The technical problem to be solved by the present invention is: in view of the fact that the current resin-based composite foam is used in the deep sea field, it is easy to cause vibration damage to the composite foam due to strong impact force and reduce its service life. The purpose of the present invention is to provide a high damping Composite foam and its preparation method, improving its impact resistance and shock absorption characteristics

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
  • High-damping composite foam and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] Embodiment 1: see figure 1 , a high damping composite foam, comprising a first hollow microbead foam layer 1, a second hollow microbead foam layer 2, a rubber damping layer arranged in the middle of the first hollow microbead foam layer 1 and the second hollow microbead foam layer 2 The support layer 3, the rubber damping support layer 3 is zigzag, and the elastic body 4 is filled in the zigzag gap, and the first hollow microbead foam layer 1, the second hollow microbead foam layer 2 and the rubber damping support layer 3 are integrally cured forming.

[0029] The first hollow microsphere foam layer 1 and the second hollow microsphere foam layer 2 are prepared by resin, hollow glass microspheres, curing agent, accelerator, and diluent in a mass ratio of 100:20:50:3:12. become.

[0030] The resin is one or more of epoxy resin system, phenolic resin system, unsaturated resin system and other resins with bonding effect, and the density of the hollow glass microspheres is...

Embodiment 2

[0032] Embodiment 2: the preparation method of the high damping composite foam described in embodiment 1 may further comprise the steps:

[0033] ① Mix resin, hollow glass microspheres, curing agent, accelerator, and diluent in a mass ratio of 100:20:50:3:12 to obtain mixed slurry A;

[0034] ② Spread the mixed slurry A in the mold, and then lay a layer of rubber damping support layer B on its surface;

[0035] ③Fill the elastic body C in the zigzag gap of the rubber damping support layer B;

[0036] ④ Then continue to coat the mixed slurry A on the surface of the rubber damping support layer B;

[0037] ⑤ Lay in the manner of A-B-C-A in turn until the composite foam D of the required thickness is obtained.

[0038] ⑥Put the mold in an oven to heat up and cure to obtain a high-damping composite foam.

[0039] In step ⑥, the curing process is firstly curing at 50°C for 1 hour, then holding at 110°C for 1.5 hours, and finally holding at 150°C for 2 hours.

Embodiment 3

[0040] Embodiment 3: a kind of preparation method of high damping composite foam, comprises the following steps:

[0041] ① Mix resin, hollow glass microspheres, curing agent, accelerator, and diluent in a mass ratio of 100:10:10:1:10 to obtain mixed slurry A;

[0042] ② Spread the mixed slurry A in the mold, and then lay a layer of rubber damping support layer B on its surface;

[0043] ③Fill the elastic body C in the zigzag gap of the rubber damping support layer B;

[0044] ④ Then continue to coat the mixed slurry A on the surface of the rubber damping support layer B;

[0045]⑤ Lay in the manner of A-B-C-A in turn until the composite foam D of the required thickness is obtained.

[0046] ⑥Put the mold in an oven to heat up and cure to obtain a high-damping composite foam.

[0047] In step ⑥, the curing process is to firstly cure at 40°C for 1.5 h, then hold at 100°C for 2 h, and finally hold at 140°C for 3 h.

[0048] Among them, the resin is an epoxy resin system, and...

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

PropertyMeasurementUnit
densityaaaaaaaaaa
Login to View More

Abstract

The invention discloses high-damping composite foam, which comprises a first hollow micro-bead foam layer, a second hollow micro-bead foam layer and a rubber damping support layer, wherein the saw-toothed gaps of the rubber damping support layer are filled with elastomers. The preparation method comprises the following steps: mixing a resin, hollow glass micro-beads, a curing agent, an accelerantand a diluent according to a ratio of 100:(10-50):(10-80):(0-5):(10-15), flatly paving in a mold, paving a rubber damping support layer on the surface of the mixture, filling the sawtooth-shaped gapsof the rubber damping support layer with elastomers, coating the surface of the rubber damping support layer with a mixed slurry, sequentially laying until the required thickness is obtained, placingthe mold in a drying oven, and heating and curing to obtain the high-damping composite foam. According to the invention, a rubber damping layer and a hollow micro-bead foam layer are integrally formed, and the rubber layer is packaged between the hollow micro-bead foam layers, so that the water pressure impact resistance of the hollow micro-bead composite foam in deep sea is reduced, and the damping characteristic of the composite foam in water is improved.

Description

technical field [0001] The invention belongs to the technical field of composite foam, and in particular relates to a high-damping composite foam and a preparation method thereof. Background technique [0002] Since the beginning of the 21st century, countries around the world have carried out large-scale exploration and exploitation of mineral resources such as oil and gas products in the marine field to meet the growing energy demand. In the face of vast ocean resources, especially the deep sea domain, compared with land resources, the deep sea domain has more resources. At the same time, the deep sea field is also an important field of national defense construction. Deep-sea exploration has become a necessary subject for human beings. In this process, solid buoyant materials, as a high-performance composite material with low density, high strength, low water absorption and high buoyancy, are indispensable for modern offshore oil, natural gas and deep diving technologies....

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
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): C08L63/00C08K7/28C08L9/06C08L23/22C08L61/06C08L101/00C08J9/32
CPCC08K7/28C08L9/06C08L23/22C08J9/32C08J9/0066C08J2363/00C08J2461/06C08J2300/00C08L63/00C08L61/06C08L101/00
Inventor 姚栋嘉吕多军董会娜袁利娟张东生吴恒牛利伟潘广镇
Owner GONG YI VAN-RES INNOVATION COMPOSITE MATERIAL CO LTD
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com