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Glass pellets with a partitioned structure

A technology of glass granules and granules, which is applied in glass molding, glass manufacturing equipment, manufacturing tools, etc., and can solve the problem that white or light-colored sloping roofs are not acceptable

Inactive Publication Date: 2018-10-12
3M INNOVATIVE PROPERTIES CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, white or light pitched roofs are not accepted in the market for aesthetic reasons

Method used

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  • Glass pellets with a partitioned structure
  • Glass pellets with a partitioned structure
  • Glass pellets with a partitioned structure

Examples

Experimental program
Comparison scheme
Effect test

example

[0076] The following specific but non-limiting examples will illustrate the invention.

[0077] Three processing methods were used to produce pellet samples for testing of Examples 1-9: (1) the glass was wet ground, the slurry dried, fired and then crushed to a -12+40 grade (Examples 1-3); (2) the glass is wet ground, the slurry is shaped and dried in a mold, released from the mold and fired (Examples 4a-4e); (3) the glass is wet ground, the slurry is dried, crushed to a grade of -12+40, and Then roast. (Example 5-9). Results are shown in Table 3 for samples made using each of the three treatments.

[0078] For all examples, reflectance was measured using a SSR-ER v6 solar spectroreflectometer, purchased from Devices and Services Co. of Dallas, Texas, using a 1.5E air quality setpoint. Texas). For "cup" measurements, the pellets are loaded into the sample holder at a depth of about 5mm. The surface of the pellets was flattened using rollers. For the "flat" measurement, p...

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Abstract

The present invention provides pellets and building materials comprising pellets having an inner zone and an outer zone at least partially surrounding the inner zone and comprising greater than 10% of the total volume of the pellets.

Description

technical field [0001] This disclosure relates to building materials. More specifically, the present disclosure relates to pellets derived from fine glass particles comprising at least an inner region and an outer region. Background technique [0002] Reflecting solar energy from roofs and other exterior surfaces has recently become more desirable for energy saving purposes. Absorbed solar energy increases energy costs in buildings. Furthermore, in densely populated areas, such as metropolitan areas, the absorption of solar energy raises the ambient air temperature. The main absorbers of solar energy are building roofs. It is not uncommon for ambient air temperatures in metropolitan areas to be at least 10°F warmer than ambient air temperatures in surrounding rural areas. This phenomenon is often referred to as the urban heat island effect. Measures that reflect solar energy instead of absorbing it reduce cooling costs within buildings, thereby reducing energy costs. A...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C03C11/00E04B7/00C03C12/00C03B19/06C04B14/24C04B38/00C03C14/00C03C17/00
CPCC03B19/06C03C11/00C03C12/00C04B20/1074C04B38/0038C04B2111/00586E04D1/28C04B14/22C04B38/0074Y10T428/2982
Inventor 肯顿·D·巴德罗伯特·P·布朗丽贝卡·L·埃弗曼克雷格·W·林赛吉恩·A·唐格曼
Owner 3M INNOVATIVE PROPERTIES CO