SILICATE PRODUCT AND STRENGTHENING METHOD THEREOF

Title:

SILICATE PRODUCT AND STRENGTHENING METHOD THEREOF

Document Type and Number:

WIPO Patent Application WO/2018/120846

Kind Code:

A1

Abstract:

A silicate product containing SiO2, Al2O3, Na2O, K2O, MgO, and ZrO2, wherein the contents thereof relative to 100 parts by weight of SiO2 are: 15-28 parts by weight of Al2O3, 13-25 parts by weight of Na2O, 6-15 parts by weight of K2O, 7-16 parts by weight of MgO, and 0.1-5 parts by weight of ZrO2. Further, M is 5-13 as calculated by following formula: M = P1 × wt(Na2O) + P2 × wt(K2O) + P3 × wt(MgO) + P4 × wt(ZrO2) - P5 × wt(Al2O3) × wt(Al2O3), in which P1 is 0.53, P2 is 0.153, P3 is 0.36, P4 is 0.67, and P5 is 0.018. A chemical strengthening method of the silicate product comprises using ultrasonic treatment during the process of chemical strengthening, or using ultrasonic and microwave treatment at the same time, and thus can further increase Young's modulus and a surface compressive stress value of the silicate product, and can also control the tendency of change of the compressive stress value with depth and the depth of the compressive stress layer, thus effectively preventing self-explosion or slow fracture after impact.

Inventors:

LI DEBAO (CN)
LI QING (CN)
SHEN ZIHAN (CN)
GUO FENG (CN)
GONG RUHUA (CN)
WANG ZHONGHUA (CN)
CHEN JIAJIA (CN)

Application Number:

PCT/CN2017/096879

Publication Date:

July 05, 2018

Filing Date:

August 10, 2017

Export Citation:

Click for automatic bibliography generation Help

Assignee:

TUNGHSU GROUP CO LTD (CN)

International Classes:

C03C3/085; C03C21/00

Domestic Patent References:

WO2015125584A1

2015-08-27

Foreign References:

CN106854037A	2017-06-16
CN105985018A	2016-10-05
CN106082704A	2016-11-09
CN103803786A	2014-05-21
CN104986954A	2015-10-21
CN105110636A	2015-12-02
CN105102394A	2015-11-25
CN102639457A	2012-08-15

Other References: