阅读说明：本技术 一种古建筑大木修缮用木裂缝修补材料 (Wood crack repairing material for repairing ancient architecture big wood ) 是由 李双营 于 2020-07-22 设计创作，主要内容包括：本发明涉及古建筑修复领域,具体涉及一种古建筑大木修缮用木裂缝修补材料,由以下重量份的原料制备而成：ASA树脂40～50份；辛基酚醛增粘树脂16～20份；贝壳粉8～10份；全氟烷基的丙烯酸系添加剂3～5份；亚磷酸三壬基苯酯10～12份；弹性硅丙乳液3～6份；竹纤维2～4份；添加剂5～7份；颜料0～3份。本发明的古建筑大木修缮用木裂缝修补材料优良的粘性、耐候性、耐腐蚀性和强度,既能实现木裂缝的修补,又可以很好的避免木裂缝的再扩大,同时,修复后的古建筑整体美观度好,尽可能的减少了对古建筑的原貌造成的影响。(The invention relates to the field of ancient building restoration, in particular to a wood crack repairing material for repairing big trees of ancient buildings, which is prepared from the following raw materials in parts by weight: 40-50 parts of ASA resin; 16-20 parts of octyl phenolic tackifying resin; 8-10 parts of shell powder; 3-5 parts of perfluoroalkyl acrylic additive; 10-12 parts of trisnonylphenyl phosphite; 3-6 parts of elastic silicone-acrylate emulsion; 2-4 parts of bamboo fiber; 5-7 parts of an additive; 0-3 parts of pigment. The wood crack repairing material for repairing the big wood of the ancient building, disclosed by the invention, has excellent viscosity, weather resistance, corrosion resistance and strength, can realize the repairing of the wood crack, can well avoid the re-expansion of the wood crack, and meanwhile, the repaired ancient building has good integral aesthetic property, and the influence on the original appearance of the ancient building is reduced as much as possible.)

1. A wood crack repairing material for repairing ancient large wood buildings is characterized in that: the feed is prepared from the following raw materials in parts by weight:

40-50 parts of ASA resin; 16-20 parts of octyl phenolic tackifying resin; 8-10 parts of shell powder; 3-5 parts of perfluoroalkyl acrylic additive; 10-12 parts of trisnonylphenyl phosphite; 3-6 parts of elastic silicone-acrylate emulsion; 2-4 parts of bamboo fiber; 5-7 parts of an additive; 0-3 parts of pigment.

2. The wood crack-repairing material for repairing the great woods of the ancient building as claimed in claim 1, wherein: the additive is prepared by mixing a flatting agent, a drier, a dispersing agent, a film-forming assistant PPH, a flame retardant and a defoaming agent according to the mass ratio of 0.3-0.6: 0.4-1: 0.3-0.6: 0.4-0.7: 0.3-0.5.

3. The wood crack-repairing material for repairing the great woods of the ancient building as claimed in claim 1, wherein: the feed is prepared from the following raw materials in parts by weight:

40 parts of ASA resin; 16 parts of octyl phenolic tackifying resin; 8 parts of shell powder; 3 parts of perfluoroalkyl acrylic additive; 10 parts of trisnonylphenyl phosphite; 3 parts of elastic silicone-acrylic emulsion; 2 parts of bamboo fiber; and 5 parts of an additive.

4. The wood crack-repairing material for repairing the great woods of the ancient building as claimed in claim 1, wherein: the feed is prepared from the following raw materials in parts by weight:

50 parts of ASA resin; 20 parts of octyl phenolic tackifying resin; 10 parts of shell powder; 5 parts of perfluoroalkyl acrylic additive; 12 parts of trisnonylphenyl phosphite; 6 parts of elastic silicone-acrylic emulsion; 4 parts of bamboo fiber; 7 parts of an additive; and 3 parts of pigment.

5. The wood crack-repairing material for repairing the great woods of the ancient building as claimed in claim 1, wherein: the feed is prepared from the following raw materials in parts by weight:

45 parts of ASA resin; 18 parts of octyl phenolic tackifying resin; 9 parts of shell powder; 4 parts of perfluoroalkyl acrylic additive; 11 parts of trisnonylphenyl phosphite; 4.5 parts of elastic silicone-acrylate emulsion; 3 parts of bamboo fiber; 6 parts of an additive; 1.5 parts of pigment.

6. The wood crack-repairing material for repairing the great woods of the ancient building as claimed in claim 1, wherein: the feed is prepared from the following raw materials in parts by weight:

45 parts of ASA resin; 18 parts of octyl phenolic tackifying resin; 9 parts of shell powder; 4 parts of perfluoroalkyl acrylic additive; 11 parts of trisnonylphenyl phosphite; 4.5 parts of elastic silicone-acrylate emulsion; 3 parts of bamboo fiber; 6 parts of an additive; 0.5 part of pigment.

7. The wood crack-repairing material for repairing the great woods of the ancient building as claimed in claim 1, wherein: the feed is prepared from the following raw materials in parts by weight:

45 parts of ASA resin; 18 parts of octyl phenolic tackifying resin; 9 parts of shell powder; 4 parts of perfluoroalkyl acrylic additive; 11 parts of trisnonylphenyl phosphite; 4.5 parts of elastic silicone-acrylate emulsion; 3 parts of bamboo fiber; 6 parts of an additive; 1 part of pigment.

8. The wood crack-repairing material for repairing the great woods of the ancient building as claimed in claim 1, wherein: when in use, the repairing agent is prepared in use, namely the ASA resin, the octyl phenolic tackifying resin, the shell powder, the perfluoroalkyl acrylic additive, the trisnonylphenyl phosphite, the elastic silicone acrylic emulsion, the bamboo fiber and the additive are weighed and placed in a high-speed shearing machine for shearing and mixing, and then the color of the repairing agent is prepared according to the color of the ancient building to be repaired.

Technical Field

The invention relates to the field of ancient building restoration, in particular to a wood crack repairing material for repairing big trees of ancient buildings.

Background

The principle in the repairing and protecting construction of the ancient architecture big trees is that the big tree body is not damaged, the construction reversibility and identifiability are realized, the big tree body is intervened to the minimum extent, and the original appearance and the original material of the big trees are protected to the maximum extent; the ancient buildings are long in construction duration, natural aging and wind and rain erosion occur, and the large trees are easy to crack due to building bearing, and lose the bearing function if the large trees are not repaired in time. Timely repair is needed, and a repair material and a repair process are needed so as to better protect the big wood members of the ancient buildings, prolong the service life of the big wood, and avoid the irreparable loss caused by greater damage caused by cracks.

Disclosure of Invention

In order to solve the problems, the invention provides a wood crack repairing material for repairing big trees of ancient buildings, which can repair the wood crack and simultaneously can well avoid the re-expansion of the wood crack.

In order to achieve the purpose, the invention adopts the technical scheme that:

a wood crack repairing material for repairing ancient large trees of an ancient building is prepared from the following raw materials in parts by weight:

40-50 parts of ASA resin; 16-20 parts of octyl phenolic tackifying resin; 8-10 parts of shell powder; 3-5 parts of perfluoroalkyl acrylic additive; 10-12 parts of trisnonylphenyl phosphite; 3-6 parts of elastic silicone-acrylate emulsion; 2-4 parts of bamboo fiber; 5-7 parts of an additive; 0-3 parts of pigment.

Further, the additive is prepared by mixing a flatting agent, a drier, a dispersing agent, a film-forming assistant PPH, a flame retardant and a defoaming agent according to the mass ratio of 0.3-0.6: 0.4-1: 0.3-0.6: 0.4-0.7: 0.3-0.5.

Preferably, the feed additive is prepared from the following raw materials in parts by weight:

40 parts of ASA resin; 16 parts of octyl phenolic tackifying resin; 8 parts of shell powder; 3 parts of perfluoroalkyl acrylic additive; 10 parts of trisnonylphenyl phosphite; 3 parts of elastic silicone-acrylic emulsion; 2 parts of bamboo fiber; and 5 parts of an additive.

Preferably, the feed additive is prepared from the following raw materials in parts by weight:

50 parts of ASA resin; 20 parts of octyl phenolic tackifying resin; 10 parts of shell powder; 5 parts of perfluoroalkyl acrylic additive; 12 parts of trisnonylphenyl phosphite; 6 parts of elastic silicone-acrylic emulsion; 4 parts of bamboo fiber; 7 parts of an additive; and 3 parts of pigment.

Preferably, the feed additive is prepared from the following raw materials in parts by weight:

45 parts of ASA resin; 18 parts of octyl phenolic tackifying resin; 9 parts of shell powder; 4 parts of perfluoroalkyl acrylic additive; 11 parts of trisnonylphenyl phosphite; 4.5 parts of elastic silicone-acrylate emulsion; 3 parts of bamboo fiber; 6 parts of an additive; 1.5 parts of pigment.

Preferably, the feed additive is prepared from the following raw materials in parts by weight:

45 parts of ASA resin; 18 parts of octyl phenolic tackifying resin; 9 parts of shell powder; 4 parts of perfluoroalkyl acrylic additive; 11 parts of trisnonylphenyl phosphite; 4.5 parts of elastic silicone-acrylate emulsion; 3 parts of bamboo fiber; 6 parts of an additive; 0.5 part of pigment.

Preferably, the feed additive is prepared from the following raw materials in parts by weight:

45 parts of ASA resin; 18 parts of octyl phenolic tackifying resin; 9 parts of shell powder; 4 parts of perfluoroalkyl acrylic additive; 11 parts of trisnonylphenyl phosphite; 4.5 parts of elastic silicone-acrylate emulsion; 3 parts of bamboo fiber; 6 parts of an additive; 1 part of pigment.

Further, when the repairing agent is used, the repairing agent is prepared by placing the weighed ASA resin, octyl phenolic tackifying resin, shell powder, perfluoroalkyl acrylic additive, trisnonylphenyl phosphite, elastic silicone-acrylic emulsion, bamboo fiber and additive into a high-speed shearing machine for shearing and mixing, and then preparing the color of the repairing agent according to the color of the ancient building to be repaired.

The invention has the following beneficial effects:

the wood crack repairing material for repairing the big wood of the ancient building, disclosed by the invention, has excellent viscosity, weather resistance, corrosion resistance and strength, can realize the repairing of the wood crack, can well avoid the re-expansion of the wood crack, and meanwhile, the repaired ancient building has good integral aesthetic property, and the influence on the original appearance of the ancient building is reduced as much as possible.

Detailed Description

The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the invention, but are not intended to limit the invention in any way. It should be noted that variations and modifications can be made by persons skilled in the art without departing from the spirit of the invention. All falling within the scope of the present invention.