公开(公告)号：US3901720A

公开(公告)日：1975-08-26

申请号：US33158373

申请日：1973-02-12

Applicant: NAT RES DEV

Inventor： MAJUMDAR AMALENDU JYOTI

IPC: C03C3/04 ,  C03C3/076 ,  C03C3/078 ,  C03C3/083 ,  C03C3/087 ,  C03C3/095 ,  C03C3/112 ,  C03C13/00 ,  C04B14/42 ,  C04B26/10 ,  C04B28/04

CPC classification number: C03C3/076 ,  C03C3/04 ,  C03C3/078 ,  C03C3/083 ,  C03C3/087 ,  C03C3/095 ,  C03C3/112 ,  C03C13/00 ,  C03C13/001 ,  C03C13/002 ,  C04B14/42 ,  C04B26/10 ,  C04B28/04

Abstract: Fibre reinforced cementitious products are described comprising glass fibrous material distributed throughout a cement matrix, in which the glass is one having per se a degree of alkali resistance such that when tested in the form of an abraded fibre of length 2 1/2 inches and diameter of from 0.4 to 1.0 X 10 3 inches said fibre has a tensile strength of at least 100,000 p.s.i. after treatment with saturated aqueous Ca(OH)2 solution at 100*C. for 4 hours followed by successive washings at ambient temperature with water, then with aqueous hydrochloric acid (1%) for 1 minute, water, acetone, following by drying, said fibre experiencing not more than 10% reduction in diameter during said test. The reinforcement of Portland cement structures by fibres of diameter 0.4 to 1.0 X 10 3 and lengths of up to 4 inches is described. Alkali resistant glasses useful for production of these products comprise the CaO-MgO-Al2O3-SiO2 glasses including those in the anorthite field, silica zirconia glasses, and silica stannic oxide glasses. The products have outstanding durability and impact resistance.

公开(公告)号：US3887386A

公开(公告)日：1975-06-03

申请号：US38217373

申请日：1973-07-24

Applicant: NAT RES DEV

Inventor： MAJUMDAR AMALENDU JYOTI

IPC: C03C3/04 ,  C03C3/076 ,  C03C3/078 ,  C03C3/083 ,  C03C3/087 ,  C03C3/095 ,  C03C3/112 ,  C03C13/00 ,  C04B14/42 ,  C04B26/10 ,  C04B28/04 ,  C04B31/06

CPC classification number: C03C3/076 ,  C03C3/04 ,  C03C3/078 ,  C03C3/083 ,  C03C3/087 ,  C03C3/095 ,  C03C3/112 ,  C03C13/00 ,  C03C13/001 ,  C03C13/002 ,  C04B14/42 ,  C04B26/10 ,  C04B28/04

Abstract: Fibre reinforced cementitious products are described comprising glass fibrous material distributed throughout a cement matrix, in which the glass is one having per se a degree of alkali resistance such that when tested in the form of an abraded fibre of length 2 1/2 inches and diameter of from 0.4 to 1.0 X 10 3 inches said fibre has a tensile strength of at least 100,000 p.s.i. after treatment with saturated aqueous Ca(OH)2 solution at 100*C. for 4 hours followed by successive washings at ambient temperature with water, then with aqueous hydrochloric acid (1%) for 1 minute, water, acetone, following by drying, said fibre experiencing not more than 10% reduction in diameter during said test. The reinforcement of Portland cement structures by fibres of diameter 0.4 to 1.0 X 10 3 and lengths of up to 4 inches is described. Alkali resistant glasses useful for production of these products comprise the CaO-MgO-Al2O3-SiO2 glasses including those in the anorthite field, silica zirconia glasses, and silica stannic oxide glasses. The products have outstanding durability and impact resistance.

Abstract translation: 描述了纤维增强水泥质产品，其包括分布在整个水泥基质中的玻璃纤维材料，其中玻璃是本身具有一定程度的耐碱性的玻璃纤维材料，使得当以21/2英寸的磨损纤维的形式和直径为 从0.4至1.0×10 -3英寸，所述纤维的拉伸强度至少为100,000psi 在饱和Ca（OH）2水溶液中于100℃处理4小时，然后在环境温度下用水，然后用盐酸水溶液（1％）连续洗涤1分钟，然后用水，丙酮干燥， 所述纤维在所述测试期间经历直径减少不超过10％。

公开(公告)号：US3859106A

公开(公告)日：1975-01-07

申请号：US27542072

申请日：1972-07-26

Applicant: NAT RES DEV

Inventor： MAJUMDAR AMALENDU JYOTI

IPC: C03C13/00 ,  C04B14/42 ,  C04B7/34

CPC classification number: C04B14/42 ,  C03C13/002

Abstract: An autoclaved calcium silicate product comprises reinforcing fibres of an alkali-resistant glass containing zirconia.

Abstract translation: 高压灭菌的硅酸钙产品包括含氧化锆的耐碱玻璃的增强纤维。