Phase-separated glass and preparation method thereof, tempered glass and preparation method thereof, housing of electronic device, display of electronic device, and electronic device

A method for preparing a phase-separated glass, comprising performing phase separation on basic glass to obtain the phase-separated glass, wherein the phase-separated glass comprises:

• 43~50 mol % of SiO2;
• 1~5 mol % of Al2O3;
• 32~50 mol % of B2O3;
• 8~15 mol % of Na2O;
• 2~3 mol % of P2O5;
• 0~7 mol % of Li2O;
• 0~5 mol % of K2O;
• 0~3 mol % of MgO;
• 0~3 mol % of CaO;
• 0~1 mol % of ZrO2;
• 0~1 mol % of GeO2;
• 0~1 mol % of MnO2;
• 0~1 mol % of CuO;
• 0~1 mol % of Re2O3;
• 45~50 mol % of SiO2+Al2O3;
• 35~50 mol % of B2O3+P2O5;
• 0~10 mol % of Li2O+K2O+MgO+CaO;
• 5 mol %~20 mol % of Na2O+Li2O+K2O+MgO+CaO;
• 0~3 mol % of ZrO2+GeO2+MnO2+CuO+Re2O3;
• and
• an alkali-boron-rich separated phase and a silicon-rich separated phase,
• wherein a surface of the phase-separated glass is provided with a compressive stress layer.

An electronic device, comprising a phase-separated glass that comprises:

• 43~50 mol % of SiO2;
• 1~5 mol % of Al2O3;
• 32~50 mol % of B2O3;
• 8~15 mol % of Na2O;
• 2~3 mol % of P2O5;
• 0~7 mol % of Li2O;
• 0~5 mol % of K2O;
• 0~3 mol % of MgO;
• 0~3 mol % of CaO;
• 0~1 mol % of ZrO2;
• 0~1 mol % of GeO2;
• 0~1 mol % of MnO2;
• 0~1 mol % of CuO;
• 0~1 mol % of Re2O3;
• 45~50 mol % of SiO2+Al2O3;
• 35~50 mol % of B2O3+P2O5;
• 0~10 mol % of Li2O+K2O+MgO+CaO;
• 5 mol %~20 mol % of Na2O+Li2O+K2O+MgO+CaO;
• 0~3 mol % of ZrO2+GeO2+MnO2+CuO+Re2O3;
• and
• an alkali-boron-rich separated phase and a silicon-rich separated phase.