Artificial stone for raised pieces and preparation method of artificial stone for raised pieces

Abstract

The invention discloses an artificial stone for raised pieces. The artificial stone comprises the followingcomponents: 80-120 parts of unsaturated polyester resin, 120-400 parts of calcium carbonate or aluminium hydroxide, 10-30 parts of perlite, 0-3 parts of active carbon, 0-3 parts of radiation protection lead powder, 1-5 parts of polyester fibre or glass fibre, 1-3 parts of accelerator, and 0.5-2 parts of a curing agent. The invention discloses a preparation method of the artificial stone for the raised pieces, and the preparation method comprises the following steps: mixing the materials proportionally and blending uniformly; heating the mixture to be 30-50 DEG C; adding the heated mixture into a mould with skeletons; vibrating; vacuuming; curing; and demoulding. Compared with the raised pieces made of other natural stone materials or other artificial stones, the raised pieces made of the artificial stone provided by the invention are lighter, and have higher hardness (Barcol hardness more than or equal to 55), better toughness (impact toughness more than or equal to 3.5kJ / sq.m<2>), stronger shock resistance (flexural strength more than or equal to 40MPa). Compared with other raised pieces, the raised pieces made of the artificial stone provided by the invention have the characteristics of firmness, durability, twist resistance, and unlikeness to deform, crack and break.

Description

technical field [0001] The invention relates to a material component of an artificial stone sculpture craft product and a preparation method thereof, in particular to a material component of an artificial stone relief craft product and a preparation method thereof. Background technique [0002] With the development of the architectural decoration market and the improvement of people's quality of life, the market demand for embossed decorative handicrafts is increasing day by day, and people's technological requirements and quality requirements for such products are also constantly improving. At present, the relief crafts on the market mainly include gypsum relief products, ordinary cement relief products, glass fiber reinforced plastic relief products, copper relief products, natural stone relief products and artificial sandstone relief products. Among them: gypsum relief products have low strength, short life, and are easily deformed and damaged; ordinary cement relief prod...

AI Technical Summary

Problems solved by technology

Among them: gypsum relief products have low strength, short life, and are easily deformed and damaged; ordinary cement relief products are overweight, rough in craftsmanship, and low in quality; glass fiber reinforced plastic relief products are not resistant to high temperatures, easy to deform, and easy to age

Copper relief products are divided into two types. Due to the limitation of copper metal properties and forging copper process, wrought copper relief products are mainly suitable for shallow relief technology, but not suitable for high relief technology; while cast copper relief products are too expensive and the production conditions are too high. Restricted, it is only suitable for making small craft ornaments; whether it is wrought copper or cast copper relief products, the cost is too expensive

Natural stone relief products are carved from natural stone, which has low stain resistance, low toughness, and heavy weight. At the same time, affected by the limitations of stone properties and the level of carving skills, it is difficult to make high-relief crafts and fine details. In addition, natural stone relief crafts with relatively good craftsmanship and quality are also extremely expensive.

Artificial sandstone relief products are also artificial stone relief products, which are mainly made by crushing natural sandstone into fine sandstone powder, and then adding a variety of cementitious materials to composite injection molding. Color, its style is distinct, simple and elegant, but the style is too single. At the same time, due to the limitation of its material components, artificial sandstone relief is mainly suitable for shallow relief technology, and it is mainly rough in style. It is difficult to achieve fine high relief technology. It is also extremely limited in the implementation of the material effect expansion process

In addition, the artificial sandstone relief has a rough surface and is not easy to clean

[0003] In contrast, although the existing artificial material technology widely used in the field of decorative building materials can also produce artificial stone products with extremely high hardness and toughness, it is mainly Plate products, such as artificial stone countertops used in kitchen and bathroom products, most of them are not suitable for the production of relief crafts, especially for the production of medium and large relief crafts. Production experiments have proved that these existing artificial stone technologies can be used to make large or medium reliefs When making handicrafts, most of them will inevitably be twisted and cracked. In the experiment, it was found that the effect of making relief crafts with pure acrylic artificial stone is better than that of other ordinary artificial stones, but the cost is several times higher. distortion occurs

The existing artificial stone technology is most suitable for the production of relief handicrafts, mainly artificial sandstone technology, which has been widely used in the production of relief and round carving handicrafts, but its products are affected by their materials, with limited artistic expression ability and poor style. It is relatively simple, especially when making large and medium-sized reliefs, the larger the size, the rougher the craft. At present, there are basically no large and medium-sized sandstone high-relief crafts with high fineness on the market. Even small-scale relief crafts made of artificial sandstone are mostly shallow. Embossing is the main technique, and the fineness of details is not high