Now, hollow glass glass microspheres are widely used in aerospace, 5G communications, military marine, lightweight vehicles, energy-conservative building, oilfield cementing, rubber and plastic elastomers, and many other fields.

In 5G communications, hollow glass microspheres can help improve the transmittance due to their hollow glass material with a low dielectric constant of 1.0~2.0. It can be used to make 5G base station and radome materials, 5G mobile phone frame and backplane, Internet of things equipment, etc.

In rubber, elastomer, and lightweight vehicles, hollow glass microspheres have a good role in reducing the specific gravity, rubber plastic, and other composite materials can reduce weight by 8%~10%. In addition, hollow glass microspheres can also effectively improve the processing performance of materials, increase rigidity and resilience, improve the material heat insulation, sound insulation, noise reduction, flame retardant, and a series of special functions, widely used in shoes, elastic pillows, car shell, special parts, and other products.

In the coating industry, the micron particle size of hollow glass microspheres and hollow microspheres effect give the paint a better heat insulation effect. Therefore, it could be used for military and aerospace equipment, oil pipeline, oil tank, communication base stations, large storage silos, etc.

As an anti-corrosion coating, the addition of hollow beads makes the product has more excellent anti-fouling, anti-corrosion, anti-ultraviolet, anti-yellowing, and anti-scratch effect, so it can be used for weatherproof sunscreen and heat insulation outdoor coatings, automotive coatings, anti-fouling coatings, anti-corrosion coatings, etc.

In the adhesive industry, the addition of hollow beads can reduce the density of the adhesive, reduce the volume cost, improve the rheological properties of the adhesive, improve the thixotropy and chemical corrosion resistance, and give the product better sound insulation, heat insulation, low thermal conductivity, and dielectric properties, more excellent anti-warping, anti-cracking properties. Hollow beads are widely used in silicone, epoxy resin, acrylic acid, polyurethane, synthetic rubber, and other adhesives.

Highly versatile and highly powerful, TheraSphere has been proven at downsizing and destroying tumors* in patients with HCC.1 The treatment consists of precisely formulated hollow glass microspheres, infused with high-dose Y-90, delivered with targeted accuracy into HCC tumors improving tumor* response and longer overall patient survival.

Highly Powerful Y-90 Radiation Embedded Within Each Hollow Glass Microsphere.

Arrives in a custom sealed source vial with an easy and safe set-up.

Infusion does not require contrast to evaluate flow due to minimally embolic properties and takes less than five minutes.

Minimal opportunities for residual and no concern over stasis or reflux.

Defining Precise Dosing and Why It Matters

So when we can really do precise dosing and a personalized dose to a specific patient, that means that we can target a very small amount of normal liver tissue. Explain the importance of precise dosing.

This article comes from boston edit released

The client of Zhong’an Online and Zhong’an News has opened up the territory of China. The Yangtze River Delta in the east is the region with the most active economic development, the highest degree of openness and the strongest innovation ability in China. Since the regional integration of the Yangtze River Delta has become a national strategy, Anhui has accumulated the internal strength of innovation in this hot land, unleashed the strong momentum of industry, and strove to stir up a surging wave of development in the scientific and technological innovation of the Yangtze River Delta integration.
Mechanism: “Take the lead” to overcome technical problems
Innovation is independent of origin, and heroes are independent of origin.
In 2021, our province will explore the mechanism of “unveiling the title and taking the lead” for the first time, spread hero posts at home and abroad, and sincerely invite talents from all walks of life to come to Anhui to take the lead and tackle the technical problem of “sticking the neck”.
“Let whoever can do it” is an important principle in the mechanism of “unveiling the list and taking the lead”. By selecting leaders and vanguards, focusing on the key areas of Anhui Province, we will work together to break through the key common technical bottlenecks, strengthen a number of advantageous enterprises, cultivate a number of advantageous products, and improve the modernization level of the industrial chain.
“We organized and implemented 9 provincial major projects in the way of ‘unveiling the list and taking the lead’, including 3 cooperation projects between our province and the Yangtze River Delta.” According to the relevant person in charge of the Planning Office of the Provincial Science and Technology Department, through the “unveiling and leading” mechanism, the barriers between “technology” and “market” can be broken through, which is more conducive to using sufficient resources, selecting the best among the best, improving the transformation efficiency of scientific research achievements, and stimulating the innovation vitality of the Yangtze River Delta region.
On the road of innovation,  Sinosteel Maanshan Institute of Mining Research, together with Hehai University and China University of Science and Technology, achieved seamless connection between technology “supply and demand”, became a solid partner, undertook the project of “Research and Development of Key Technologies for High Softening Point Hollow Glass Beads for Spacecraft Thermal Protection System”, made efforts to improve the key preparation technologies for industrialization of high-performance hollow glass beads, and realized the localization of high softening point hollow glass beads for spacecraft thermal protection system, Go to the “sea of stars” of scientific and technological innovation.

[Source: China Security Online

A novel epoxy resin (EP)/hollow glass microsphere modified composite was successfully prepared.

Studies showed that the water absorption rate of the g-hollow glass microspheres/EP composite is lower than pure hollow glass microspheres/EP and hollow glass microspheres-KH550/EP composites, while the compressive strength of g-hollow glass microspheres/EP composites could be increased.

The enhanced interfacial adhesion between EP and g-hollow glass microspheres played an important role to improve the compatibility of the two components. The g-hollow glass microspheres show little effect on density (relative to hollow glass microspheres) on the g-hollow glass microspheres/EP composites, which can perform better than the hollow glass microspheres/EP composites being used in marine environments.

It was found that the optimal content of 4,4’-diphenylmethane diisocyanate in the epoxy component was 20 wt%.

Hollow glass microspheres have many attractive features as a hydrogen storage medium.

Optically-induced outgassing of hydrogen from glass is significantly faster than conventional heating.

Current work seeks to demonstrate feasibility using hollow glass microspheres.

Glass microspheres are divided into hollow glass microspheres and solid glass microspheres

1. The main application fields of solid glass microbeads are:
1. Road reflective glass beads:


Road reflective glass beads are divided into internal mixing type and surface scattering type. The internal mixing type is mixed in the paint during the production of road reflective paint, which can ensure the long-term reflection of road markings within the life period.
The surface sprinkler type is used in road marking construction to spread on the surface of the marking line to achieve an instant reflective effect. Road marking glass beads are divided into two specifications: coated and non-coated. Surface-treated coated glass beads are used in road marking construction, which can greatly improve the adhesion between the glass beads and the road marking paint. , Water resistance, enhance the reflectivity of road markings, and have self-cleaning, anti-fouling, moisture-proof and other uses.

 

2. Shot peening glass beads:


Shot peening glass beads Glass beads used for industrial shot peening and additives can be used on metal surfaces and mold surfaces without damaging the surface of the workpiece and improving the accuracy of the workpiece. It is used for cleaning and polishing of metal metal, plastic, jewelry, precision casting and other objects. It is a high-grade finishing material commonly used at home and abroad.

 

 

 

 

3. Grinding glass beads:


Grinding glass beads have the advantages of good chemical stability, mechanical strength and hardness, surface finish, good fluidity, low abrasion, easy industrial and mining control, etc. As abrasive materials, they are widely used in chemical materials, coatings, pigments, food, medicine and other fields.

 

 

 

 

 

4. Glass beads for decoration:


Glass microbeads, glass sand and colored glass microbeads for handicrafts are ideal materials for garment printing, garment heat transfer, Christmas tree surface decoration, artificial fruit, artificial flower crafts surface decoration, and hourglass quicksand manufacturing.

 

 

 

 

 

5. Filling:


Glass beads are also widely used as a new type of material in various fields such as medical equipment and nylon, rubber, engineering plastics, and aviation. Such as additives, enhancers and so on.

 

 

2. The main application fields of hollow glass microspheres are:


1. The color is pure white, which can be widely used in any products that have requirements on the appearance color.
2. The specific gravity is light, and the density of hollow glass microspheres is about one tenth of the density of traditional filler particles. After filling, the basis weight of the product can be greatly reduced, more production resins can be replaced and saved, and the product cost can be reduced.
3. Lipophilic, hollow glass microspheres are easy to wet and disperse, and can be filled in most thermosetting thermoplastic resins, such as polyester, epoxy resin, polyurethane, etc.
4. Good fluidity. Since hollow glass microspheres are tiny spheres, they have better fluidity in liquid resins than flake, needle or irregular fillers, so they have excellent mold filling performance. More importantly, the small microbeads are isotropic, so there is no disadvantage of inconsistent shrinkage rates in different parts due to orientation, which ensures the dimensional stability of the product and will not warp.
5. Heat and sound insulation, the hollow glass beads are thin gas inside, so it has the characteristics of sound insulation and heat insulation, and it is an excellent filler for various thermal insulation and sound insulation products. The insulating properties of hollow glass microspheres can also be used to protect products from thermal shock caused by alternating between rapid heating and rapid cooling conditions. High specific resistance and extremely low water absorption make it widely used in the production of cable insulation materials.
6. The oil absorption rate is low. The particles of the sphere determine that it has the smallest specific surface area and low oil absorption rate. During use, the amount of resin can be greatly reduced. Even under the premise of high addition amount, the viscosity will not increase a lot, which is greatly improved. The production operating conditions can be improved, and the production efficiency can be increased by 10% to 20%.

Article Source:HS glass beads

To improve the safety of handling and storing complex metal hydrides on board of automobiles, complex hydrides encapsulation in hollow glass microspheres was proposed and researched.

Formation of intact hollow glass microspheres with an open through wall porosity following phase separation and acid leaching of the boron oxide rich phase was demonstrated.

Encapsulation of sodium alanate within the prepared hollow glass microspheres by diffusion through wall porosity was illustrated. The observation of unusual alanate structures in the form of needle bundles on the interior and exterior surfaces of the spheres following the encapsulation was obtained.

Glass fifiber fabrics/hollow glass microspheres–waterborne polyurethane (WPU) textile composites were prepared using glass fifiber, WPU, and hollow glass microspheres as skeleton material, binder, and insulation fifiller, respectively, to study the effect of hollow glass microspheres on the thermal insulation performance of glass fifiber fabrics.

Scanning electron microscopy, Instron 3367 tensile test instrument, thermal constant analysis, and infrared thermal imaging were used to determine the cross-sectional morphology, mechanical property, thermal conductivity, and thermal insulation property, respectively, of the developed materials.

The results show that the addition of hollow glass microsphere mixed in WPU signifificantly enhanced thermal insulation performance of the textile composite with the reduction of thermal conductivity of 45.2% when the volume ratio of hollow glass microspheres to WPU is 0.8 compared with that of material without hollow glass microsphere.

The composite can achieve the thermal insulation effect with a temperature difference of 17.74 ◦C at the temperature fifield of 70 ◦C. Meanwhile, the tensile strength of the composite is improved from 14.16 to 22.14 MPa. With these results, it is confifirmed that designing hollow glass microspheres is an effective way to develop and enhance the high performance of insulation materials with an obvious lightweight of the bulk density reaching about 50%.

RTP Company announces the availability of specialty compounds containing hollow glass microspheres which reduce part weight, enhance properties and lower part costs in demanding applications.

High loadings of these microspheres, which are manufactured by 3M and known as ScotchliteTM Glass Bubbles, can be added to thermoplastics to reduce overall part weight, and thus per part material costs. Additionally, they can modify polymer characteristics, achieving lower viscosity, improved flow, and reduced shrinkage and warpage.

For example, some compounds containing ScotchliteTM Glass Bubbles can have their specific gravity reduced by as much as 30 percent. The use of glass bubbles also provides more uniform control and reproducibility than other methods typically used for weight reduction, such as foaming agents.

ScotchliteTM Glass Bubbles reduce thermal conductivity and lower dielectric constants of most thermoplastics. Non-combustible and non-porous, the glass bubbles do not absorb moisture. Compounds containing ScotchliteTM Glass Bubbles are available in most engineering resins and easily adapt to common processing methods, including injection molding and extrusion. Applications that can benefit from this weight saving technology exist in the aerospace, automotive, marine, electronic, and medical industries.

FROM:RTP Company

In this work, hollow glass microsphere reinforced triglycidyl-p-aminophenol (TGPAP) epoxy composites was prepared and the influence of hollow glass microsphere on mechanical and thermal properties of the composites was investigated.

Mechanical behaviors of the composites with various weight fractions of hollow glass microsphere from 0 to 9% were investigated in terms of impact property at both room temperature (RT) and liquid nitrogen temperature (77 K). The fracture surfaces of undoped epoxy and the composites were examined by scanning electron microscopy (SEM).

The results show that both the impact strength at room temperature and 77 K are all enhanced by the addition of hollow glass microsphere with appropriate contents.

Furthermore, the thermal conductivity and coefficients of thermal expansion of undoped epoxy and hollow glass microsphere/epoxy composites were also investigated from 77 K to room temperature.

It is found that the composites show lower thermal conductivity and coefficient of thermal expansion than undoped epoxy. The results indicate that hollow glass microsphere/epoxy composites are promising cryogenic materials.