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公开(公告)号：US20210371337A1
公开(公告)日：2021-12-02
申请号：US17050099
申请日：2018-05-11
Applicant: GCP Applied Technologies Inc.
IPC: C04B18/02
Abstract: Method and composition for producing aggregates from cement and concrete, including residual or returned concrete. Exemplary methods involve the use of an aggregate-forming inducer that provides a surface anchoring site for cement paste to bond/adhere, such as shredded news print, cardboard, or mixtures thereof, and also including fiber materials such as polymers, glass, and other material fibers. The aggregate-forming inducer is mixed with fresh concrete until aggregates are formed.
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