CN115926539A - Biological polymer waterproof agent and preparation method thereof - Google Patents
Biological polymer waterproof agent and preparation method thereof Download PDFInfo
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Abstract
The invention discloses a biopolymer waterproofing agent and a preparation method thereof, belonging to the technical field of preparation of biological waterproofing materials. A biological polymer waterproof agent comprises the following raw materials in parts by weight: 26-43 parts of plant extract, 1-3 parts of tung oil, 0.8-1.2 parts of castor oil, 0.3-0.8 part of beeswax emulsion, 0.8-1.2 parts of palm wax emulsion, 1-3 parts of natural latex and 20-30 parts of water. The invention provides a biopolymer waterproofing agent and a preparation method thereof, the preparation method is simple, no special equipment is needed, and the obtained waterproofing agent has excellent waterproofing performance, is safe, nontoxic and environment-friendly; the product has biological activity, strong self-cleaning property, and can resist bacteria and mildew; meanwhile, the biological polymer waterproof agent is not easy to burn.
Description
Technical Field
The invention belongs to the technical field of preparation of biological waterproof materials, and particularly relates to a biological high-molecular waterproof agent and a preparation method thereof.
Background
The waterproof construction is to protect the building and prevent the building structure from being damaged due to the water permeating into some parts of the building, and is usually waterproof on the roof, the underground building, the underground part of the building, the inner chamber needing to be waterproof, the water storage structure and other parts.
The building waterproofing generally adopts structural waterproofing and material waterproofing, the material waterproofing is widely applied at present, the material waterproofing blocks the circulation of building water supply through materials to achieve waterproofing and impermeability, and waterproof coiled materials, paints, mortar and the like are most applied on the market at present. The waterproof roll is generally suitable for the waterproof treatment of the indoor floor and the wall surface of a house, is not suitable for the outer wall of a building and has limited applicability. The mortar waterproof agent is mainly an inorganic aluminum salt waterproof agent, has good permeability, but is acidic, corrosive to metal, can reduce mortar strength, is easy to crack, is easy to lose efficacy, and has short service life. The paint is a polymer cement waterproof paint, an acrylic waterproof paint, a polyurethane waterproof paint, a chloroprene rubber waterproof paint and the like, is greatly influenced by environmental factors, and has high requirements on environmental temperature. The solvent type waterproof agent (aluminum salt waterproof agent, organosilicon waterproof agent and potassium silicate waterproof agent) takes oil as a carrier, is easy to permeate into the deep layer of an object, has a certain waterproof and anti-permeability function, but has the permeability and the capability of blocking larger capillary holes which are difficult to meet the engineering requirements, and is expensive and environmentally-friendly. At present, few reports about biological waterproof agents exist, and based on the reports, the invention provides a biological polymer waterproof agent which adopts natural biomass materials as raw materials, effectively utilizes the natural biomass materials, has low preparation cost, excellent waterproof performance, safety, no toxicity and environmental protection, and is antibacterial and not easy to mildew.
Disclosure of Invention
Aiming at the existing problems, the invention provides a biopolymer waterproofing agent and a preparation method thereof, wherein the preparation method is simple, no special equipment is needed, and the obtained waterproofing agent has excellent waterproofing performance, is safe, nontoxic and environment-friendly.
The technical scheme for solving the technical problem is as follows:
a biological polymer waterproof agent comprises the following raw materials in parts by weight: 26-43 parts of plant extract, 1-3 parts of tung oil, 0.8-1.2 parts of castor oil, 0.3-0.8 part of beeswax emulsion, 0.8-1.2 parts of palm wax emulsion, 1-3 parts of natural latex and 20-30 parts of water.
Further, the biological polymer waterproof agent comprises the following raw materials in parts by weight: 28-38 parts of plant extract, 2-3 parts of tung oil, 1.0-1.2 parts of castor oil, 0.5-0.8 part of beeswax emulsion, 1.0-1.2 parts of palm wax emulsion, 2-3 parts of natural latex and 25-30 parts of water.
Further, the plant extract comprises alfalfa leaves, goldenrain leaves and gleditsia sinensis.
Further, the preparation process of the plant extract comprises the following steps: and (3) stacking the plants in a fermentation tank for aerobic fermentation for 15-20 days, then fishing the plant residues, and after fishing is finished, filtering and distilling the fermentation liquor under reduced pressure to obtain the plant extracting solution.
Further, the preparation method of the biological polymer waterproof agent comprises the steps of mixing the tung oil, the castor oil, the beeswax emulsion, the palm wax emulsion and the natural latex in parts by weight, stirring for 10-20min, adding the water in parts by weight, continuously stirring for 5-10min, then adding the plant extracting solution in parts by weight, and stirring for 1-2h to obtain the biological polymer waterproof agent.
Further, the fermentation temperature is 30-38 ℃; the reduced pressure distillation adopts a rotary evaporator, the temperature of the rotary evaporator is set to be 35-45 ℃, and the rotating speed is set to be 50-80 rpm.
Further, the stirring rate is 100-200rpm.
Further, the raw material also comprises a surfactant, and the surfactant is laureth.
Specifically, the vegetable alfalfa belongs to the family of Anacardiaceae, is a natural resin coating, the lacquer tree can take wax, the seeds can extract oil, the wood is solid, the growth is rapid, and the vegetable is a tree species used for natural coating, oil and wood.
Goldenrain tree, goldenrain plant, is deciduous arbor or shrub; bark is thick, grey brown to grey black, and longitudinal splitting in old age; the skin pores are small and gray to dark brown; the small branch has wart points, and is crinkled with short, soft or hairless with the leaf axis and the leaf stalk. Goldenrain tree grows in calcium-based soil generated by limestone weathering and is cold-resistant.
Specifically, the saponin belongs to Rosales, leguminous deciduous trees, and the saponin pod of the saponin contains abundant saponin which is a natural nonionic surfactant and is mild and non-irritant.
Specifically, the palm wax emulsion is prepared by adding pine oil into palm wax in parts by weight, heating and melting, adding hot water of 70-85 ℃ in the same parts by weight, and stirring, wherein the mass ratio of the pine oil to the palm wax is 1:1, the palm wax emulsion has good oil retention property.
Specifically, the beeswax emulsion is prepared by adding 2 times of beeswax by weight into 80-90 ℃ pine oil, and continuously stirring until the beeswax and the pine oil are fused into a whole. Pine oil is light yellow or dark brown liquid, has special smell of pine root oil, and has strong emulsifying effect, good wettability, permeability and leveling property.
Specifically, the tung oil is called tung oil, and the oil squeezed from the tung oil seeds has the characteristics of water impermeability, air impermeability, electricity impermeability, acid and alkali resistance, corrosion resistance, cold and heat resistance and the like.
The invention has the beneficial effects that:
(1) The biological polymer waterproof agent is prepared from plant extract, tung oil, castor oil, beeswax emulsion, palm wax emulsion, natural latex and water, and has excellent waterproof performance, and compared with a waterproof agent prepared from traditional chemical raw materials, the biological polymer waterproof agent is non-toxic, antibacterial, more environment-friendly and safer.
(2) The biopolymer waterproofing agent can penetrate into gaps of building materials to block capillary pores of leaked water to generate super-strong hydrophobic molecules, capillary pore channels form a shielded waterproof and anti-seepage layer, the biopolymer waterproofing agent forms a protective layer on the surface of the building materials to prevent water from entering the interior of the building materials, and the biopolymer waterproofing agent has good waterproof effect, has biological activity, strong self-cleaning property, and can resist bacteria and mildew; the biological polymer waterproof agent is not easy to burn.
(3) The preparation method of the biopolymer waterproofing agent is simple, the preparation process is safe, and special equipment is not needed; the used materials are all taken from natural biomass, so that the natural biomass is effectively utilized, and the preparation cost is low.
Drawings
FIG. 1 is a biological macromolecule waterproof agent provided by the invention.
Detailed Description
The embodiments of the present invention can be obtained by different substitutions in specific ranges based on the above technical solutions, and therefore, the following embodiments are only preferred embodiments of the embodiments, and any technical substitutions made by the above technical solutions are within the protection scope of the present invention.
Example 1
A biopolymer waterproofing agent comprises the following raw materials in parts by weight: 26 parts of plant extract, 1 part of tung oil, 0.8 part of castor oil, 0.3 part of beeswax emulsion, 0.8 part of palm wax emulsion, 1 part of natural latex and 20 parts of water.
The preparation process of the plant extract comprises the following steps: taking alfalfa leaves, goldenrain tree leaves and Chinese honeylocust pods (weight ratio is 1.
Mixing the tung oil, the castor oil, the beeswax emulsion, the carnauba wax emulsion and the natural latex in parts by weight, stirring for 10min at the stirring speed of 100rpm, adding the water in parts by weight, continuously stirring for 5min at the stirring speed of 100rpm, and then adding the plant extract in parts by weight, stirring for 1h at the stirring speed of 100rpm to obtain the biopolymer waterproofing agent.
Example 2
A biopolymer waterproofing agent comprises the following raw materials in parts by weight: 28 parts of plant extract, 2 parts of tung oil, 1.0 part of castor oil, 0.5 part of beeswax emulsion, 1.0 part of palm wax emulsion, 2 parts of natural latex and 25 parts of water.
The preparation process of the plant extract comprises the following steps: taking alfalfa leaves, goldenrain tree leaves and Chinese honeylocust pods (weight ratio is 1.
Mixing the tung oil, the castor oil, the beeswax emulsion, the carnauba wax emulsion and the natural latex in parts by weight, stirring for 10min at the stirring speed of 100rpm, adding the water in parts by weight, continuously stirring for 5min at the stirring speed of 100rpm, and then adding the plant extract in parts by weight, stirring for 1h at the stirring speed of 100rpm to obtain the biopolymer waterproofing agent.
Example 3
A biological polymer waterproof agent comprises the following raw materials in parts by weight: 35 parts of plant extract, 2.5 parts of tung oil, 1.1 parts of castor oil, 0.6 part of beeswax emulsion, 1.1 parts of palm wax emulsion, 2.5 parts of natural latex and 27 parts of water.
The preparation process of the plant extract comprises the following steps: taking alfalfa leaf, goldenrain tree leaf and chinese honey locust (weight ratio is 1.
Mixing the tung oil, the castor oil, the beeswax emulsion, the carnauba wax emulsion and the natural latex in parts by weight, stirring for 10min at the stirring speed of 100rpm, adding the water in parts by weight, continuously stirring for 5min at the stirring speed of 100rpm, and then adding the plant extract in parts by weight, stirring for 1h at the stirring speed of 100rpm to obtain the biopolymer waterproofing agent.
Example 4
A biopolymer waterproofing agent comprises the following raw materials in parts by weight: 38 parts of plant extract, 2.8 parts of tung oil, 1.16 parts of castor oil, 0.7 part of beeswax emulsion, 1.16 parts of palm wax emulsion, 2.7 parts of natural latex and 29 parts of water.
The preparation process of the plant extract comprises the following steps: taking alfalfa leaf, goldenrain tree leaf and chinese honey locust (weight ratio is 1.
Mixing the tung oil, the castor oil, the beeswax emulsion, the carnauba wax emulsion and the natural latex in parts by weight, stirring for 10min at the stirring speed of 100rpm, adding the water in parts by weight, continuously stirring for 5min at the stirring speed of 100rpm, and then adding the plant extract in parts by weight, stirring for 1h at the stirring speed of 100rpm to obtain the biopolymer waterproofing agent.
Example 5
A biological polymer waterproof agent comprises the following raw materials in parts by weight: 43 parts of plant extract, 3 parts of tung oil, 1.2 parts of castor oil, 0.8 part of beeswax emulsion, 1.2 parts of palm wax emulsion, 3 parts of natural latex and 30 parts of water.
The preparation process of the plant extract comprises the following steps: taking alfalfa leaf, goldenrain tree leaf and chinese honey locust (weight ratio is 1.
Mixing the tung oil, the castor oil, the beeswax emulsion, the carnauba wax emulsion and the natural latex in parts by weight, stirring for 10min at the stirring speed of 100rpm, adding the water in parts by weight, continuously stirring for 5min at the stirring speed of 100rpm, and then adding the plant extract in parts by weight, stirring for 1h at the stirring speed of 100rpm to obtain the biopolymer waterproofing agent.
Example 6
A biological polymer waterproof agent comprises the following raw materials in parts by weight: 43 parts of plant extract, 3 parts of tung oil, 1.2 parts of castor oil, 0.8 part of beeswax emulsion, 1.2 parts of palm wax emulsion, 3 parts of natural latex and 30 parts of water.
The preparation process of the plant extract comprises the following steps: taking alfalfa leaves, goldenrain tree leaves and Chinese honeylocust pods (weight ratio is 1.
Mixing the tung oil, the castor oil, the beeswax emulsion, the carnauba wax emulsion and the natural latex in parts by weight, stirring for 10min at the stirring speed of 100rpm, adding the water in parts by weight, continuously stirring for 5min at the stirring speed of 100rpm, and then adding the plant extract in parts by weight, stirring for 1h at the stirring speed of 100rpm to obtain the biopolymer waterproofing agent.
Example 7
A biological polymer waterproof agent comprises the following raw materials in parts by weight: 43 parts of plant extract, 3 parts of tung oil, 1.2 parts of castor oil, 0.8 part of beeswax emulsion, 1.2 parts of palm wax emulsion, 3 parts of natural latex and 30 parts of water.
The preparation process of the plant extract comprises the following steps: taking alfalfa leaf, goldenrain tree leaf and chinese honey locust (weight ratio is 1.
Mixing the tung oil, the castor oil, the beeswax emulsion, the palm wax emulsion and the natural latex in parts by weight, stirring for 10min at the stirring speed of 100rpm, adding the water in parts by weight, continuing stirring for 5min at the stirring speed of 100rpm, and then adding the plant extracting solution in parts by weight, and stirring for 1h at the stirring speed of 100rpm to obtain the biopolymer waterproof agent.
Example 8
A biological polymer waterproof agent comprises the following raw materials in parts by weight: 43 parts of plant extract, 3 parts of tung oil, 1.2 parts of castor oil, 0.8 part of beeswax emulsion, 1.2 parts of palm wax emulsion, 3 parts of natural latex and 30 parts of water.
The preparation process of the plant extract comprises the following steps: taking alfalfa leaf, goldenrain tree leaf and chinese honey locust (weight ratio is 1.
Mixing the tung oil, the castor oil, the beeswax emulsion, the carnauba wax emulsion and the natural latex in parts by weight, stirring for 10min at the stirring speed of 100rpm, adding the water in parts by weight, continuously stirring for 5min at the stirring speed of 100rpm, and then adding the plant extract in parts by weight, stirring for 1h at the stirring speed of 100rpm to obtain the biopolymer waterproofing agent.
Example 9
A biopolymer waterproofing agent comprises the following raw materials in parts by weight: 43 parts of plant extract, 3 parts of tung oil, 1.2 parts of castor oil, 0.8 part of beeswax emulsion, 1.2 parts of palm wax emulsion, 3 parts of natural latex and 30 parts of water.
The preparation process of the plant extract comprises the following steps: taking alfalfa leaf, goldenrain tree leaf and chinese honey locust (weight ratio is 1.
Mixing the tung oil, the castor oil, the beeswax emulsion, the carnauba wax emulsion and the natural latex in parts by weight, stirring for 10min at the stirring speed of 200rpm, adding the water in parts by weight, continuously stirring for 5min at the stirring speed of 200rpm, and then adding the plant extract in parts by weight, stirring for 1h at the stirring speed of 200rpm to obtain the biopolymer waterproofing agent.
Example 10
A biological polymer waterproof agent comprises the following raw materials in parts by weight: 43 parts of plant extract, 3 parts of tung oil, 1.2 parts of castor oil, 0.8 part of beeswax emulsion, 1.2 parts of palm wax emulsion, 3 parts of natural latex and 30 parts of water.
The preparation process of the plant extract comprises the following steps: taking alfalfa leaf, goldenrain tree leaf and chinese honey locust (weight ratio is 1.
Mixing the tung oil, the castor oil, the beeswax emulsion, the carnauba wax emulsion and the natural latex in parts by weight, stirring for 10min at the stirring speed of 200rpm, adding the water in parts by weight, continuously stirring for 5min at the stirring speed of 200rpm, and then adding the plant extract in parts by weight, stirring for 1h at the stirring speed of 200rpm to obtain the biopolymer waterproofing agent.
Example 11
A biological polymer waterproof agent comprises the following raw materials in parts by weight: 43 parts of plant extract, 3 parts of tung oil, 1.2 parts of castor oil, 0.8 part of beeswax emulsion, 1.2 parts of palm wax emulsion, 3 parts of natural latex and 30 parts of water.
The preparation process of the plant extract comprises the following steps: taking alfalfa leaves, goldenrain tree leaves and Chinese honeylocust (the weight ratio is 1.
Mixing the tung oil, the castor oil, the beeswax emulsion, the carnauba wax emulsion and the natural latex in parts by weight, stirring for 10min at the stirring speed of 200rpm, adding the water in parts by weight, continuously stirring for 5min at the stirring speed of 200rpm, and then adding the plant extract in parts by weight, stirring for 1h at the stirring speed of 200rpm to obtain the biopolymer waterproofing agent.
Example 12
A biological polymer waterproof agent comprises the following raw materials in parts by weight: 43 parts of plant extract, 3 parts of tung oil, 1.2 parts of castor oil, 0.8 part of beeswax emulsion, 1.2 parts of palm wax emulsion, 3 parts of natural latex and 30 parts of water.
The preparation process of the plant extract comprises the following steps: taking alfalfa leaves, goldenrain tree leaves and Chinese honeylocust (weight ratio is 2.
Mixing the tung oil, the castor oil, the beeswax emulsion, the carnauba wax emulsion and the natural latex in parts by weight, stirring for 10min at the stirring speed of 200rpm, adding the water in parts by weight, continuously stirring for 5min at the stirring speed of 200rpm, and then adding the plant extract in parts by weight, stirring for 1h at the stirring speed of 200rpm to obtain the biopolymer waterproofing agent.
Example 13
A biopolymer waterproofing agent comprises the following raw materials in parts by weight: 43 parts of plant extract, 3 parts of tung oil, 1.2 parts of castor oil, 0.8 part of beeswax emulsion, 1.2 parts of palm wax emulsion, 3 parts of natural latex and 30 parts of water.
The preparation process of the plant extract comprises the following steps: taking alfalfa leaf, goldenrain tree leaf and chinese honey locust (weight ratio is 2 1) to pile and locate and carry out 20 days aerobic fermentation (contact air natural fermentation) under 38 ℃ in the fermentation vat, carry out the plant residue afterwards and salvage, salvage the completion after, filter the zymotic fluid, adopt rotary evaporator to set up 45 ℃, the rotational speed sets up to decompress distillation under 50rpm, namely plant extract.
Mixing the tung oil, the castor oil, the beeswax emulsion, the palm wax emulsion and the natural latex in parts by weight, stirring for 20min at the stirring speed of 200rpm, adding the water in parts by weight, continuing stirring for 10min at 200rpm, and then adding the plant extracting solution in parts by weight, stirring for 2h at 200rpm to obtain the biopolymer waterproof agent.
Example 14
A biological polymer waterproof agent comprises the following raw materials in parts by weight: 43 parts of plant extract, 3 parts of tung oil, 1.2 parts of castor oil, 0.8 part of beeswax emulsion, 1.2 parts of palm wax emulsion, 3 parts of natural latex, 30 parts of water and 3 parts of laureth.
The preparation process of the plant extract comprises the following steps: taking alfalfa leaf, goldenrain tree leaf and chinese honey locust (weight ratio is 2 1) to pile and locate and carry out 20 days aerobic fermentation (contact air natural fermentation) under 38 ℃ in the fermentation vat, carry out the plant residue afterwards and salvage, salvage the completion after, filter the zymotic fluid, adopt rotary evaporator to set up 45 ℃, the rotational speed sets up to decompress distillation under 50rpm, namely plant extract.
Mixing the tung oil, the castor oil, the beeswax emulsion, the palm wax emulsion and the natural latex in parts by weight, stirring for 20min at the stirring speed of 200rpm, adding the water in parts by weight and the laureth in parts by weight, continuing stirring for 10min at 200rpm, and then adding the plant extract in parts by weight, and stirring for 2h at 200rpm to obtain the biopolymer waterproofing agent.
Comparative example 1
A biological polymer waterproof agent comprises the following raw materials in parts by weight: 26 parts of plant extract, 1 part of tung oil, 0.8 part of castor oil, 0.3 part of beeswax emulsion, 0.8 part of palm wax emulsion, 1 part of natural latex and 20 parts of water.
The preparation process of the plant extract comprises the following steps: piling goldenrain tree leaves and Chinese honey locust (weight ratio is 1).
Mixing the tung oil, the castor oil, the beeswax emulsion, the carnauba wax emulsion and the natural latex in parts by weight, stirring for 10min at the stirring speed of 100rpm, adding the water in parts by weight, continuously stirring for 5min at the stirring speed of 100rpm, and then adding the plant extract in parts by weight, stirring for 1h at the stirring speed of 100rpm to obtain the biopolymer waterproofing agent.
Comparative example 2
A biological polymer waterproof agent comprises the following raw materials in parts by weight: 26 parts of plant extract, 1 part of tung oil, 0.8 part of castor oil, 0.3 part of beeswax emulsion, 0.8 part of palm wax emulsion, 1 part of natural latex and 20 parts of water.
The preparation process of the plant extract comprises the following steps: taking alfalfa leaves and Chinese honey locust (weight ratio is 1.
Mixing the tung oil, the castor oil, the beeswax emulsion, the carnauba wax emulsion and the natural latex in parts by weight, stirring for 10min at the stirring speed of 100rpm, adding the water in parts by weight, continuously stirring for 5min at the stirring speed of 100rpm, and then adding the plant extract in parts by weight, stirring for 1h at the stirring speed of 100rpm to obtain the biopolymer waterproofing agent.
Comparative example 3
A biological polymer waterproof agent comprises the following raw materials in parts by weight: 26 parts of plant extract, 1 part of tung oil, 0.8 part of castor oil, 0.3 part of beeswax emulsion, 0.8 part of palm wax emulsion, 1 part of natural latex and 20 parts of water.
The preparation process of the plant extract comprises the following steps: taking alfalfa leaves and goldenrain tree leaves (weight ratio is 1) to pile in a fermentation tank and carrying out aerobic fermentation (natural fermentation in contact with air) for 15 days at 30 ℃, then carrying out plant residue salvage, after the salvage is finished, filtering the fermentation liquor, and carrying out reduced pressure distillation by adopting a rotary evaporator at the temperature of 35 ℃ and the rotating speed of 50rpm to obtain the plant extracting solution.
Mixing the tung oil, the castor oil, the beeswax emulsion, the carnauba wax emulsion and the natural latex in parts by weight, stirring for 10min at the stirring speed of 100rpm, adding the water in parts by weight, continuously stirring for 5min at the stirring speed of 100rpm, and then adding the plant extract in parts by weight, stirring for 1h at the stirring speed of 100rpm to obtain the biopolymer waterproofing agent.
Comparative example 4
A biopolymer waterproofing agent comprises the following raw materials in parts by weight: 26 parts of plant extract, 1 part of tung oil, 0.8 part of castor oil, 0.3 part of beeswax emulsion, 0.8 part of palm wax emulsion, 1 part of natural latex and 20 parts of water.
The preparation process of the plant extract comprises the following steps: and (2) stacking the alfalfa leaves in parts by weight in a fermentation tank, performing aerobic fermentation (natural fermentation in contact with air) for 15 days at 30 ℃, then salvaging plant residues, filtering fermentation liquor after completing salvaging, and performing reduced pressure distillation by adopting a rotary evaporator at the temperature of 35 ℃ and the rotating speed of 50rpm to obtain the plant extract.
Mixing the tung oil, the castor oil, the beeswax emulsion, the carnauba wax emulsion and the natural latex in parts by weight, stirring for 10min at the stirring speed of 100rpm, adding the water in parts by weight, continuously stirring for 5min at the stirring speed of 100rpm, and then adding the plant extract in parts by weight, stirring for 1h at the stirring speed of 100rpm to obtain the biopolymer waterproofing agent.
Comparative example 5
A biopolymer waterproofing agent comprises the following raw materials in parts by weight: 26 parts of plant extract, 1 part of tung oil, 0.8 part of castor oil, 0.3 part of beeswax emulsion, 0.8 part of palm wax emulsion, 1 part of natural latex and 20 parts of water.
The preparation process of the plant extract comprises the following steps: piling the goldenrain tree leaves in parts by weight in a fermentation tank, performing aerobic fermentation (natural fermentation in contact with air) at 30 ℃ for 15 days, then salvaging plant residues, filtering the fermentation liquor after completing salvaging, and performing reduced pressure distillation by using a rotary evaporator at the temperature of 35 ℃ and the rotating speed of 50rpm to obtain the plant extract.
Mixing the tung oil, the castor oil, the beeswax emulsion, the palm wax emulsion and the natural latex in parts by weight, stirring for 10min at the stirring speed of 100rpm, adding the water in parts by weight, continuing stirring for 5min at the stirring speed of 100rpm, and then adding the plant extracting solution in parts by weight, and stirring for 1h at the stirring speed of 100rpm to obtain the biopolymer waterproof agent.
Comparative example 6
A biological polymer waterproof agent comprises the following raw materials in parts by weight: 26 parts of plant extract, 1 part of tung oil, 0.8 part of castor oil, 0.3 part of beeswax emulsion, 0.8 part of palm wax emulsion, 1 part of natural latex and 20 parts of water.
The preparation process of the plant extract comprises the following steps: and (2) piling the Chinese honeylocust pods in parts by weight in a fermentation tank, performing aerobic fermentation (natural fermentation in contact with air) for 15 days at 30 ℃, then fishing out plant residues, filtering fermentation liquor after fishing out, and performing reduced pressure distillation by adopting a rotary evaporator at the temperature of 35 ℃ and the rotating speed of 50rpm to obtain the plant extract.
Mixing the tung oil, the castor oil, the beeswax emulsion, the carnauba wax emulsion and the natural latex in parts by weight, stirring for 10min at the stirring speed of 100rpm, adding the water in parts by weight, continuously stirring for 5min at the stirring speed of 100rpm, and then adding the plant extract in parts by weight, stirring for 1h at the stirring speed of 100rpm to obtain the biopolymer waterproofing agent.
Comparative example 7
A biological polymer waterproof agent comprises the following raw materials in parts by weight: 1 part of tung oil, 0.8 part of castor oil, 0.3 part of beeswax emulsion, 0.8 part of palm wax emulsion, 1 part of natural latex and 20 parts of water.
A preparation method of a biopolymer waterproofing agent comprises the steps of mixing the tung oil, the castor oil, the beeswax emulsion, the palm wax emulsion and the natural latex in parts by weight, stirring for 10min at the stirring speed of 100rpm, adding the water in parts by weight, and continuing to stir at the stirring speed of 100rpm for 5min to obtain the biopolymer waterproofing agent.
Comparative example 8
A biological polymer waterproof agent comprises the following raw materials in parts by weight: 26 parts of plant extract, 1 part of tung oil, 0.8 part of castor oil, 1 part of natural latex and 20 parts of water.
The preparation process of the plant extract comprises the following steps: mixing the components in a weight ratio of 1:1:1, piling alfalfa leaves, goldenrain leaves and gleditsia sinensis in a fermentation tank, carrying out aerobic fermentation (natural fermentation in contact with air) for 15 days at 30 ℃, then salvaging plant residues, filtering fermentation liquor after completing salvaging, and carrying out reduced pressure distillation by adopting a rotary evaporator at the temperature of 35 ℃ and the rotating speed of 50rpm to obtain the plant extract.
A preparation method of a biopolymer waterproofing agent comprises the steps of mixing the tung oil, the castor oil and the natural latex in parts by weight, stirring for 10min at a stirring speed of 100rpm, adding the water in parts by weight, continuously stirring for 5min at 100rpm, then adding the plant extracting solution in parts by weight, and stirring for 1h at 100rpm to obtain the biopolymer waterproofing agent.
Comparative example 9
A biological polymer waterproof agent comprises the following raw materials in parts by weight: 26 parts of plant extract, 1 part of tung oil, 0.8 part of castor oil, 0.3 part of beeswax emulsion, 0.8 part of palm wax emulsion and 20 parts of water.
The preparation process of the plant extract comprises the following steps: mixing the components in a weight ratio of 1:1:1, piling alfalfa leaves, goldenrain leaves and gleditsia sinensis in a fermentation tank, carrying out aerobic fermentation (natural fermentation in contact with air) for 15 days at 30 ℃, then salvaging plant residues, filtering fermentation liquor after completing salvaging, and carrying out reduced pressure distillation by adopting a rotary evaporator at the temperature of 35 ℃ and the rotating speed of 50rpm to obtain the plant extract.
A preparation method of a biological polymer waterproof agent comprises the steps of mixing tung oil, castor oil, beeswax emulsion and carnauba wax emulsion in parts by weight, stirring for 10min at a stirring speed of 100rpm, adding water in parts by weight, continuously stirring for 5min at 100rpm, and then adding plant extract in parts by weight, stirring for 1h at 100rpm to obtain the biological polymer waterproof agent.
The biological high-molecular waterproof agent is detected, and the table 1 shows the result of detecting the liquid medium resistance of the biological high-molecular waterproof agent according to GB/T9274-1988.
TABLE 1 detection results of liquid-resistant medium performance of the biopolymer waterproofing agent of the present invention
According to GB18582-2020, the total amount (mg/kg) of benzene, toluene, ethylbenzene and xylene in the examples and comparative examples of the present invention is not detected.
The biopolymer waterproofing agent obtained in the examples and comparative examples of the present invention was tested and produced according to DBJ01-54-2001, standard for quality control of interface permeation type waterproofing paint, and the tests are shown in Table 2 below. As shown in Table 2, the biopolymer waterproofing agent disclosed by the invention has excellent waterproofing performance, and the preparation method is simple, safe in preparation process, environment-friendly in material, low in cost, wide in application and good in application prospect.
TABLE 2 test piece performance test results of the biopolymer waterproofing agent of the present invention
The biological polymer waterproof material has small molecules, strong permeability and good weather resistance, and the molecular weight of the waterproof agent is less than 4 multiplied by 10 -10 m, the molecular structure of the waterproof agent is smaller than the size of water molecules, when the waterproof agent permeates into the base material, the invisible gaps are filled, and the water molecules are difficult to penetrate due to the large size; meanwhile, the waterproof agent can form a protective layer on the surface of the base material, so that water-blocking, waterproof and hydrophobic effects are formed, and the base material is realizedAnd (4) waterproof effect. The biopolymer waterproofing agent is sprayed on the surface of a dry cement substrate, the permeable depth is more than 2mm, and the thick substrate has super-strong waterproofing effect after the cement substrate is naturally dried; this water-repellent effect is present as long as the substrate is not destroyed.
The biological polymer waterproof material is semitransparent, does not change the color of a base material when used, and has wide applicability. The biological high molecular waterproof material has biological activity and strong self-cleaning property, and can resist bacteria and mildew. The biological polymer waterproof agent is not easy to burn.
The above description is intended only to illustrate the present invention and should not be construed as limiting the present invention, and any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the present invention. The invention extends to any novel feature or any novel combination of features disclosed in this specification and any novel method or process steps or any novel combination of features disclosed.
Claims (8)
1. The biological polymer waterproof agent is characterized by comprising the following raw materials in parts by weight: 26-43 parts of plant extract, 1-3 parts of tung oil, 0.8-1.2 parts of castor oil, 0.3-0.8 part of beeswax emulsion, 0.8-1.2 part of palm wax emulsion, 1-3 parts of natural latex and 20-30 parts of water.
2. A biopolymer waterproofing agent according to claim 1 comprising the following raw materials in parts by weight: 28-38 parts of plant extract, 2-3 parts of tung oil, 1.0-1.2 parts of castor oil, 0.5-0.8 part of beeswax emulsion, 1.0-1.2 parts of palm wax emulsion, 2-3 parts of natural latex and 25-30 parts of water.
3. A biopolymer waterproofing agent according to any of claims 1 or 2 wherein the plant used for the plant extract includes alfalfa leaves, goldenrain leaves and gleditsia sinensis.
4. A biopolymer waterproofing agent according to claim 3 wherein the plant extract is prepared by a process comprising: and (3) stacking the plants in a fermentation tank for aerobic fermentation for 15-20 days, then fishing the plant residues, and after fishing is finished, filtering and distilling the fermentation liquor under reduced pressure to obtain the plant extracting solution.
5. The method for preparing a biopolymer waterproofing agent according to claim 4, wherein the biopolymer waterproofing agent is obtained by mixing the tung oil, castor oil, beeswax emulsion, carnauba wax emulsion and natural latex in parts by weight, stirring for 10-20min, adding the water in parts by weight, continuing stirring for 5-10min, and then adding the plant extract in parts by weight, and stirring for 1-2 h.
6. A method for preparing a biopolymer waterproofing agent according to claim 4 wherein the fermentation temperature is 30-38 ℃; the reduced pressure distillation adopts a rotary evaporator, the temperature of the rotary evaporator is set to be 35-45 ℃, and the rotating speed is set to be 50-80 rpm.
7. A method for producing a biopolymer waterproofing agent according to claim 5 wherein the stirring rate is 100-200rpm.
8. The method for preparing a biopolymer waterproofing agent according to claim 1, wherein the raw materials further comprise a surfactant, and the surfactant is laureth.
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| CN202211562078.3A CN115926539A (en) | 2022-12-07 | 2022-12-07 | Biological polymer waterproof agent and preparation method thereof |
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| CN202211562078.3A CN115926539A (en) | 2022-12-07 | 2022-12-07 | Biological polymer waterproof agent and preparation method thereof |
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