Syntactic foam appeared in the 1960s, due to enhancement of hollow microspheres in the matrix are well known. Since the hollow microspheres in the material and lead material filling the cell appear, substantially no chemical foaming resin, so that the composite foam is a physical foam, syntactic foam density in the range of relatively large span. Syntactic foam matrix may be a polymer, metal or ceramic.

Hollow glass beads filled matrix resin prepared composite foam belong to a closed cell structure, compared to the open cell structure, which has higher strength and lower water absorption. Matrix resins used in the distribution of density between 1.0 ~ 1.2g / cm3, while lower density filled hollow glass microspheres, typically 0.1 ~ 0.6g / cm3, composite foam density plays a decisive role, but complex It will reduce the strength of the foam density material adverse effect, so the need to control the loading of hollow glass microspheres to balance density and strength of the material.
1969 I.Resuick other first filled with hollow glass beads bisphenol A type epoxy syntactic foam was prepared to study the influence of the material curing agent compression performance.

In recent years, researches on the chemical coating of glass and ceramic  glass microsphere findings could change their optical and electrical properties and thermodynamic properties. In particular, can improve absorption and near-infrared reflectance of the electromagnetic wave after nickel, cobalt coating has been applied to military security, as the civilian technology only strengthen the performance of thermal insulation coatings.Other studies have loved incense activation method using silver nitrate cenospheres coated Ni-Co-P, can be used for electromagnetic shielding and microwave absorbing, the civilian aspects of the material can be made anti-electromagnetic radiation, military aspects can be made invisible absorbing material.

Co-density metal powder layer preparation Ling Guoping such as the use of chemical plating method, hollow glass beads coated with magnetic table, Co plating layer having excellent soft and hard magnetic properties. Sung-Soo Kim studied in the hollow ceramic beads plated metal layer of Co Fe magnetic and microwave absorption properties.
Studies show that adding metallized hollow ceramic beads of rubber to high-frequency electromagnetic and microwave absorption properties have. S.Shukla in fly ash particles and other surface copper plating, copper plating after the fly ash particles can be used as the conductive filler, for use in the polymer can be applied to an electromagnetic shield.

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A certain amount of silver-plated hollow glass microspheres into the inner diameter of 2.1㎝ mold under pressure 5t pressed into a thin disk of uniform thickness sample, the four-probe resistivity tester.Consistent with resistivity and spectrum analysis results obtained by three processes silvered hollow glass microspheres.

After three Pretreatment results obtained silver-plated hollow glass microspheres of SME’s. It can be drawn from the experiment. After “three-step” spot coating surface obtained after pretreatment silvered hollow glass microspheres more explanation did not form a continuous coating.

The influence of glass beads for drilling fluid lubricity
Glass beads spherical structure, which has high hardness, smooth surface, such as features, rolling performance is good. Use it as drilling fluid additives, can play a role similar to the bearing in the ball, greatly reduce the frictional resistance of drill pipe, drilling fluid, fast bit drilling, improve the rate of penetration, and reduce the bit wear.In the experiment, the Caspian sea region with diameter less than 0.9 mm of glass beads, adding quantity is 5 ~ 20 kg/m3, the results make it required torque drill pipe reduced 30% ~ 60%.
Now, in the exploration and development is difficult, purpose layer under the condition of buried depth, low formation pressure with application of glass beads in underbalance drilling has many advantages, one of the biggest advantages is the glass beads can improve drilling speed; From the shaft to the differential fluid pressure of formation fluid in the range of 0 ~ 6.9 Mpa, the common drilling method in sandstone, limestone, shale drilling efficiency would lower 70 ~ 80%, and the glass beads can reduce wellbore pressure significantly improve drilling efficiency.

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Road with reflective glass beads, are used in normal type, hot melt road marking paint, a material used as a premix, can ensure marking in the lifetime of the long-term reflection; a surface-spreading when marking construction,You can play real-reflective effect.

Coated glass beads are divided into two types, one as reflective highway A screen with a reflective. Coated glass beads is the use of a high performance organic material on glass beads were outside treatment, making glass bead surface adsorption dust in the air blunts.Since the coating beads containing a specific coupler to improve the adhesion of the coating bead and can prevent some tiny beads deposited coatings. Because of its functionality can be floating, floating in the paint surface when used, it has the largest surface area can be increased by more than 30% utilization. Superior performance coated glass beads after treatment. Rain often foggy in humid environments, with better reflective function.

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Building energy conservation has become one of the important goals of energy conservation in China. Data show that China’s use of the process of building energy consumption accounted for 27.6% of total social energy consumption, and the economy more developed, the higher the standard of living, the greater the proportion will be. The rapid development of urbanization will lead to the rapid growth of urban population, combined with the development of the industry, the increase in automobile ownership and the increasing number of buildings, will make the city’s “heat island effect” become more and more obvious, which will make Building insulation, insulation requirements more urgent. Effectively reducing the surface temperature of buildings and various facilities, for the protection of the environment, energy conservation and improve the living environment and so have a very important significance. Therefore, with the increasing use of architectural coatings, building energy conservation has become a major problem affecting the overall socio-economic development.
In the past, the building insulation technology is mainly used to achieve low thermal conductivity of the material, commonly used polystyrene board material thickness of 30 ~ 50mm, the insulation structure is complex, the construction is very difficult. In contrast, the thermal insulation coating is through the building inside and outside the wall and the top coated with a layer of barrier, reflection, radiation and other effects of the coating to achieve energy saving and insulation purposes of the thin functional coatings. Now, thermal insulation coating has become a new material development and production of new hot spots.

Only through a high-powered electron microscope, you can see it’s “true face.” This is hugely magnified in “micro world”, it looks like a small hollow capsules crystal clear glass ball.It is a unique structure of this tiny scales, creating its unique properties, making it a “mainstream of the 21st century, new composite materials,” the eyes of many people. Its full name is called high-performance hollow glass microspheres, is Sinosteel Maanshan Institute of Mining Research Co., Ltd. introduced the CAS technology to carry out the outcome of industrialization, is one of the technological masterpiece of the world from Ma On Shan to.

Sinosteel Maanshan Mining Institute New Material Technology Co., Ltd. is specialized in the research and development of high-performance hollow glass microspheres, sales of integrated high-tech enterprise under Sinosteel Maanshan Institute of Mining Research Limited.The hospital is a national pilot innovative enterprises, the State Torch Program focused on high-tech enterprises, high-tech enterprises in Anhui Province. 2009 new materials technology company developing high-performance hollow glass microspheres products have comprehensive on the market.

Widely used in glass and steel products, composite foam, artificial marble, synthetic wood,
sound insulation materials, putty, deep-sea buoyancy material, bowling, low density adhesives,
sealants, lightweight resin crafts, mural wall picture frames, wall panels sandwich structure,
electronic light industrial packaging materials, absorbing materials, lightweight concrete,
emulsion explosives.

Hollow glass beads is a size small hollow glass spheres, is an inorganic non-metallic materials. A typical particle size range 10-180 microns, a bulk density of 0.1 to 0.25 g / cc, a lightweight, low thermal conductivity, sound insulation, high dispersion, electrical insulation and thermal stability, etc., is a development up to 2008 versatile, high-performance new lightweight materials. Can be used in any color appearance of the products required.

The pretreatment of hollow glass microspheres configured dope also added, adding an appropriate amount of dispersant, and then adding silver ammonia solution, the reaction was stirred 20min, deionized water to drink alcohol to clean the glass beads, and drying.
After Pretreatment with three silver-plated hollow glass microspheres were obtained spectrum detection, removal of a small atomic number elements and trace impurity elements.After analysis, the “three-step” Silver content obtained after pretreatment silvered hollow glass microspheres obtained the silver content is lower than after the other two pre-treatment process, the “silver ammonia solution activation method” and “colloidal palladium law “after pretreatment silver content obtained silvered hollow glass microspheres closer, respectively, 65.44% and 60.38%, have reached a high silver content, the silver content, the latter two pretreatment process better than the “three-step”, while in the “three-step” to use to hydrofluoric acid and other toxic substances .

Hollow glass beads on drilling fluid density
With the oilfield development, often faced with difficult exploration and development, purpose layer buried depth, low formation pressure, then use under-balanced drilling more. Therefore, more and more high to the requirement of drilling fluid.In order to reduce the leakage and reservoir protection, as well as oil and gas layers in time, need of drilling fluid density is lower than 1.0 g/cm3. With air drilling, foam drilling fluid, and water-in-oil emulsion drilling fluid, the realization of the oil-base drilling fluid is easy way, but there are many shortcomings, and drilling fluid performance itself control difficult, rheology and hydraulics calculation complex practical problems such as difficult to solve. Using high-performance glass beads in under-balanced drilling has many advantages. Adding glass beads of the drilling fluid density decreased significantly, and the added amount, the lower the density of drilling fluid.When the content of T60 type glass beads was 40%, 0.870 g/cm3 density of drilling fluid. Therefore, its biggest advantage is to adjust drilling fluid density within a certain scope. Instant in high pressure high, the drilling fluid density is more stable, this is because the hollow glass beads with low density high strength properties.

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