Composition for reinforcing binding power and use thereof

A technology of composition and cohesion, applied in the direction of non-macromolecular adhesive additives, non-macromolecular organic compound adhesives, adhesives, etc., can solve the problem of high-grade energy-saving wooden doors and windows that cannot meet the high toxicity of vinyl acetate , poor environmental protection performance and other problems, to achieve excellent curing time, excellent bonding strength, and improve the effect of environmental protection

Inactive Publication Date: 2015-05-13

NANTONG HONGRUI CHEM

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AI-Extracted Technical Summary

Problems solved by technology

The vinyl acetate used in this glue is highly toxic and not environmentally friendly

[0006] Chinese invention patent application 201410004735.1 (public date: April 16, 2014) discloses an environmentally friendly white latex, the glue includes: polyvinyl alcohol PVA, vinyl acetate VAC, acrylic acid AA, acrylamide AM, persulfuric acid Ammonium, anionic emulsifier A-102, alkyl polyoxyethylene ether LCN-287 nonionic emulsifier; corn starch, trans...

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Method used

Dibutyl phthalate and diethylene glycol dibenzoate are plasticizers, and the present invention adopts adding dibutyl phthalate and diethylene glycol simultaneously for the reaction system of adapting composite raw materials The practice of dibenzoate; octanol and isopropanol can not only be used to dissolve dibutyl phthalate and diethylene glycol dibenzoate, which is beneficial to improve the adhesion of glue; it can also play a part The effect of antifoaming agent is conducive to the smoothness of glue preparation of the present invention; The applicant thinks that dibutyl phthalate, diethylene glycol dibenzoate and octanol, four components of isopropanol are together Constitutes a micro-system of synergy, which can specifically meet the special requirements of polyvinyl acetate and vinyl acetate as composite raw materials combined with polyvinyl alcohol. It not only achieves a stable reaction system without the use of defoamers. Improving the adhesive performance of the glue has a direct effect on improving the final glue's bond strength and curing time.

Table 1 is the experimental effect of each embodiment and comparative example, as can be seen from table 1, the glue environmental performance of the embodiment of the present invention 1-5 is all better than comparative example 1, and the glue prepared by each embodiment is tasteless, and production And user's subjective feeling is better, analyze reason, glue of the present invention reduces the consumption of vinyl acetate in a large amount in the component, replaces vinyl acetate with nontoxic polyvinyl acetate, significantly improved the environmental performance of glue; Because the properties of polyvinyl acetate and vinyl acet...

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Abstract

The invention provides a composition for reinforcing binding power and use thereof. The composition for reinforcing binding power comprises the following components in parts by weight: 10-25 parts of allyl methacrylate, 5-10 parts of glycol dimethacrylate and 3-7 parts of toluene diisocynate. The invention further relates to use of the composition for reinforcing binding power in preparation of glue for connecting wood components. The composition for reinforcing binding power provided by the invention can be used for greatly improving the comprehensive performance of the glue for connecting wood components and ensuring that the glue has excellent performance and excellent comprehensive performance on such indexes as thermal stability, initial drying time, water resistance, bonding strength and curing time.

Application Domain

Non-macromolecular adhesive additivesOrganic non-macromolecular adhesive

Technology Topic

GLYCOL DIMETHACRYLATEToluene +8

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Examples

Experimental program(5)
Comparison scheme(1)
Effect test(1)

Example Embodiment

[0017] Example 1

[0018] This embodiment relates to a composition for enhancing adhesion, which can be used to prepare glue for connecting wooden parts, and the glue includes the following components by weight:

[0019] Polyvinyl acetate 700,

[0020] Vinyl acetate 300,

[0021] Polyvinyl alcohol 120,

[0022] Dibutyl phthalate 60,

[0023] Diethylene glycol dibenzoate 20,

[0024] Octanol 10,

[0025] Isopropyl alcohol 30,

[0026] Allyl methacrylate 10,

[0027] Diethylene glycol methacrylate 5,

[0028] Toluene diisocyanate 3,

[0029] Sodium bicarbonate 35,

[0030] Water 1400,

[0031] Emulsifier 40, the emulsifier is sodium oleate (ie sodium octadecenoate);

[0032] Initiator 5, the initiator is ammonium persulfate.

[0033] All components involved in this embodiment can be obtained through publicly available commercial channels. The steps of the method for preparing glue for connecting wooden parts in wooden windows in this embodiment are as follows:

[0034] Step 1. Under stirring conditions, take 50-73% by weight of water and polyvinyl alcohol, mix, heat up to 88-95 degrees, so that the polyvinyl alcohol is completely dissolved, keep at 70-80 degrees for 1 hour, adjust the pH to 8 -9, get solution A;

[0035] Step 2: Take 30-40% by weight of emulsifier, add the emulsifier and the remaining water to solution A under stirring conditions, and then slowly add 40-50% by weight of vinyl acetate and 40- 50% by weight of the initiator, heat up to 88-95 degrees, keep for 0.3-0.5 hours; cool to 60-70 degrees; then slowly add the remaining vinyl acetate and the remaining initiator; heat up to 88-95 degrees (℃), keep for 0.2-0.4 hours;

[0036] Step 3: Add 30-40% by weight of emulsifier and polyvinyl acetate, keep at 88-95 degrees for 0.2-0.4 hours, and then cool to 40-50 degrees (°C);

[0037] Step 4. Under stirring conditions, add sodium bicarbonate, dibutyl phthalate, diethylene glycol dibenzoate, octanol, and isopropanol, and mix well to obtain solution B;

[0038] Step 5. Add the remaining emulsifier, allyl methacrylate, ethylene glycol dimethacrylate, and toluene diisocyanate to solution B, mix well, keep at 40-50 degrees (℃) for 0.1-0.3 hours, and cool When it reaches room temperature, glue for connecting the wooden window pieces is obtained.

Example Embodiment

[0039] Example 2

[0040] This embodiment relates to a composition for enhancing adhesion, which can be used to prepare glue for connecting wooden parts, and the glue includes the following components by weight:

[0041] Polyvinyl acetate 1050,

[0042] Vinyl acetate 350,

[0043] Polyvinyl alcohol 145,

[0044] Dibutyl phthalate 100,

[0045] Diethylene glycol dibenzoate 40,

[0046] Octanol 15,

[0047] Isopropyl alcohol 45,

[0048] Allyl methacrylate 25,

[0049] Diethylene glycol methacrylate 10,

[0050] Toluene diisocyanate 7,

[0051] Sodium bicarbonate 50,

[0052] Water 1500,

[0053] Emulsifier 50, emulsifier is sodium dodecylbenzene sulfonate;

[0054] Initiator 10, the initiator is ammonium persulfate.

Example Embodiment

[0055] Example 3

[0056] This embodiment relates to a composition for enhancing adhesion, which can be used to prepare glue for connecting wooden parts, and the glue includes the following components by weight:

[0057] Polyvinyl acetate 800,

[0058] Vinyl acetate 315,

[0059] Polyvinyl alcohol 125,

[0060] Dibutyl phthalate 80,

[0061] Diethylene glycol dibenzoate 25,

[0062] Octanol 12,

[0063] Isopropyl alcohol 35,

[0064] Allyl methacrylate 15,

[0065] Diethylene glycol methacrylate 7,

[0066] Toluene diisocyanate 4,

[0067] Sodium bicarbonate 39,

[0068] Water 1450,

[0069] Emulsifier 45, emulsifier is sodium dodecylbenzene sulfonate;

[0070] Initiator 6, the initiator is potassium persulfate.

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Description & Claims & Application Information

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the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine

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Classification and recommendation of technical efficacy words

Improve overall performance
Improve environmental protection

Composition for reinforcing binding power and use thereof

AI-Extracted Technical Summary

Problems solved by technology

Method used

Abstract

Image

Examples

Example Embodiment

Example Embodiment

Example Embodiment

PUM

Description & Claims & Application Information

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