CN111117543A - Hot melt adhesive with far infrared function and preparation method thereof - Google Patents
Hot melt adhesive with far infrared function and preparation method thereof Download PDFInfo
- Publication number
- CN111117543A CN111117543A CN201911201389.5A CN201911201389A CN111117543A CN 111117543 A CN111117543 A CN 111117543A CN 201911201389 A CN201911201389 A CN 201911201389A CN 111117543 A CN111117543 A CN 111117543A
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- Prior art keywords
- hot melt
- melt adhesive
- far infrared
- infrared function
- antioxidant
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J167/00—Adhesives based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Adhesives based on derivatives of such polymers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/08—Processes
- C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
- C08G18/4236—Polycondensates having carboxylic or carbonic ester groups in the main chain containing only aliphatic groups
- C08G18/4238—Polycondensates having carboxylic or carbonic ester groups in the main chain containing only aliphatic groups derived from dicarboxylic acids and dialcohols
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
- C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
- C08G18/6633—Compounds of group C08G18/42
- C08G18/6637—Compounds of group C08G18/42 with compounds of group C08G18/32 or polyamines of C08G18/38
- C08G18/664—Compounds of group C08G18/42 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/3203
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/04—Non-macromolecular additives inorganic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J171/00—Adhesives based on polyethers obtained by reactions forming an ether link in the main chain; Adhesives based on derivatives of such polymers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/38—Boron-containing compounds
- C08K2003/387—Borates
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
Abstract
The invention discloses a hot melt adhesive with a far infrared function, which comprises the following components in parts by weight: 15% -30% of polyester polyol; diisocyanate MDI15% -30%; 2% -5% of hydroxyl silicone oil; 15% -30% of a chain extender; 25% -40% of thermoplastic resin; 0.2% -0.8% of antioxidant; 1% -2% of a catalyst; 1% -3% of modified tourmaline powder. The preparation method adopts the prepolymer-chain extension method for bulk synthesis, so that the hot melt adhesive has good water resistance, heat resistance and far infrared function.
Description
Technical Field
The invention belongs to the field of development of ecological functional hot melt adhesives, and particularly relates to a hot melt adhesive with a far infrared function and a preparation method thereof.
Background
Since the 80 s in the 20 th century, the world adhesive industry has developed towards the goals of energy conservation, no toxicity, low cost, high performance and the like, and the solvent-free environment-friendly adhesive has become the mainstream of the current adhesive industry development. The Hot Melt Adhesive (HMA) is a solid adhesive, is an environment-friendly adhesive taking thermoplastic polymers (resin and rubber) as base materials, and has the characteristics of quick bonding, no toxicity, no pollution, wide application range and the like.
With the enhancement of environmental awareness and the requirement of human health of people, the development trend of the hot melt adhesive is to develop towards a non-organic solvent which is adaptive to the environmental requirement, improves the comprehensive bonding performance and has functional bonding; the main component of the fabric is fiber, and the fiber usually contains polar bonds such as ether bond, ester bond, amido bond and the like, and carboxyl, hydroxyl and the like, and has strong moisture absorption rate, so the hot melt adhesive for the fabric has certain water resistance.
Meanwhile, tourmaline is a self-generating polar mineral substance, has the functions of emitting far infrared rays, releasing negative ions and the like, and is widely applied to the fields of environmental protection, chemical engineering, light industry, building materials and the like, the far infrared ray function has the effect on the health of people, can accelerate blood circulation, improve the microcirculation condition of brain tissues, supply sufficient oxygen and nutrients to brain cells, strengthen metabolism, change the unbalance condition of cerebral cortex, deepen the inhibition process and play the roles of calming and sleeping, how to combine tourmaline and hot melt adhesive, and adjusting the preparation method of the tourmaline and the hot melt adhesive to prepare the functional hot melt adhesive, and the hot melt adhesive with functionality is used on lining cloth, so that the function and the application range of the lining cloth are improved, and the life quality of people is improved.
Disclosure of Invention
The purpose of the invention is as follows: the invention provides a hot melt adhesive with a far infrared function and a preparation method thereof, aiming at solving the defects in the prior art, and the hot melt adhesive has a certain health care function and improves the life quality of people by utilizing the function of releasing far infrared rays by tourmaline powder.
The technical scheme is as follows: in order to achieve the purpose, the invention provides a hot melt adhesive with a far infrared function, wherein a metal formula of the hot melt adhesive with the far infrared function comprises the following components in parts by weight: 15% -30% of polyester polyol; diisocyanate MDI15% -30%; 2% -5% of hydroxyl silicone oil; 15% -30% of a chain extender; 25% -40% of thermoplastic resin; 0.2% -0.8% of antioxidant; 1% -2% of a catalyst; 1% -3% of modified tourmaline powder.
Preferably, the polyester polyol has a molecular weight of 2000 PBA-2000.
Preferably, the chain extender is one of ethylene glycol, butanediol and diethylene glycol.
Preferably, the thermoplastic resin is a polyester type or a polyether type.
Preferably, the antioxidant is antioxidant 1010.
Preferably, the catalyst is a tertiary amine or an organic tin compound.
Preferably, the modified tourmaline powder is tourmaline powder modified by titanate coupling agent NDZ 130.
A preparation method of a hot melt adhesive with a far infrared function adopts a prepolymer-chain extension method and specifically comprises the following steps:
step one, synthesizing a polyurethane prepolymer: putting polyester polyol dried for 1-2 h in a vacuum environment at the temperature of 95-110 ℃ into a reaction kettle, and introducing N2Discharging the air in the reaction kettle in the presence of N2Under protection, adding molten diisocyanate, controlling the temperature of the reaction kettle to slowly rise to 80-90 ℃, and reacting for 1.5-2.5 h;
step two, synthesizing a chain extension method body: after the reaction in the first step is finished, adding 1, 4-butanediol, stirring for 2.5-4min, sequentially adding hydroxyl silicone oil, dried thermoplastic resin, an antioxidant, a catalyst and modified tourmaline powder, uniformly stirring to obtain a mixture, and discharging;
step three, curing: and (3) curing the mixture stirred in the second step for 3.5-4.5h under the vacuum condition at the temperature of 95-110 ℃ to obtain the hot melt adhesive with the far infrared function.
Has the advantages that: the invention discloses a hot melt adhesive with far infrared function and preparing method,
(1) the hot melt adhesive prepared by the formula has high bonding strength, good water resistance and heat resistance, high far infrared ray generating capacity, high far infrared ray emissivity of 75 percent and good far infrared emission performance, improves the grade of the hot melt adhesive and has a health care function.
(2) The method adopts a one-step synthesis of a prepolymer-chain extension method body, has the advantages of simple preparation method, shortened production period, low requirement on equipment, convenient and accurate operation and control, green and environment-friendly raw materials, stable product quality and reduced production cost.
Detailed Description
Example one
The metal formula of the hot melt adhesive with the far infrared function comprises the following components in parts by weight: the polyester polyol PBA200016 percent, diisocyanate (MDI) 16 percent, hydroxyl silicone oil 2 percent, 1, 4-butanediol 16 percent, thermoplastic resin 30 percent, antioxidant 10100.3 percent, stannous octoate T91 percent and modified tourmaline powder 1 percent.
A preparation method of a hot melt adhesive with a far infrared function adopts a prepolymer-chain extension method and specifically comprises the following steps:
step one, synthesizing a polyurethane prepolymer: putting polyester polyol dried for 1 hour in a vacuum environment at 100 ℃ into a reaction kettle, introducing N2, discharging air in the reaction kettle, adding molten diisocyanate under the protection of N2, controlling the temperature of the reaction kettle to slowly rise to 85 ℃, and reacting for 2 hours;
step two, synthesizing a chain extension method body: after the reaction in the first step is finished, adding 1, 4-butanediol, stirring for 3min, sequentially adding hydroxyl silicone oil, dried thermoplastic resin, an antioxidant, a catalyst and modified tourmaline powder, uniformly stirring to obtain a mixture, and discharging;
step three, curing: and (4) curing the mixture stirred in the second step for 4 hours at the temperature of 100 ℃ under a vacuum condition to obtain the hot melt adhesive with the far infrared function.
Example two
The metal formula of the hot melt adhesive with the far infrared function comprises the following components in parts by weight: 200020% of polyester polyol PBA, 20% of diisocyanate (MDI), 3% of hydroxyl silicone oil, 20% of 1, 4-butanediol, 25% of thermoplastic resin, 10100.2% of antioxidant, T91% of stannous octoate and 1.5% of modified tourmaline powder.
A preparation method of a hot melt adhesive with a far infrared function adopts a prepolymer-chain extension method and specifically comprises the following steps:
step one, synthesizing a polyurethane prepolymer: putting polyester polyol dried for 1 hour in a vacuum environment at 100 ℃ into a reaction kettle, introducing N2, discharging air in the reaction kettle, adding molten diisocyanate under the protection of N2, controlling the temperature of the reaction kettle to slowly rise to 85 ℃, and reacting for 2 hours;
step two, synthesizing a chain extension method body: after the reaction in the first step is finished, adding 1, 4-butanediol, stirring for 3min, sequentially adding hydroxyl silicone oil, dried thermoplastic resin, an antioxidant, a catalyst and modified tourmaline powder, uniformly stirring to obtain a mixture, and discharging;
step three, curing: and (4) curing the mixture stirred in the second step for 4 hours at the temperature of 100 ℃ under a vacuum condition to obtain the hot melt adhesive with the far infrared function.
Performance testing
The products of the above examples were subjected to measurements of adhesive strength, water absorption, heat resistance and far infrared emissivity, and the results are shown in table 1:
the results show that the above examples have good water and heat resistance, and high far infrared ray generation ability.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (8)
1. The utility model provides a hot melt adhesive with far infrared function which characterized in that: the metal formula of the hot melt adhesive with the far infrared function comprises the following components in parts by weight: 15% -30% of polyester polyol; diisocyanate MDI15% -30%; 2% -5% of hydroxyl silicone oil; 15% -30% of a chain extender; 25% -40% of thermoplastic resin; 0.2% -0.8% of antioxidant; 1% -2% of a catalyst; 1% -3% of modified tourmaline powder.
2. The hot melt adhesive with far infrared function as claimed in claim 1, wherein: the molecular weight of the polyester polyol is PBA-2000 of 2000.
3. The hot melt adhesive with far infrared function as claimed in claim 1, wherein: the chain extender is one of ethylene glycol, butanediol and diethylene glycol.
4. The hot melt adhesive with far infrared function as claimed in claim 1, wherein: the thermoplastic resin is polyester type or polyether type.
5. The hot melt adhesive with far infrared function as claimed in claim 1, wherein: the antioxidant is antioxidant 1010.
6. The hot melt adhesive with far infrared function as claimed in claim 1, wherein: the catalyst is tertiary amine or organic tin compound.
7. The hot melt adhesive with far infrared function as claimed in claim 1, wherein: the modified tourmaline powder is tourmaline powder modified by titanate coupling agent NDZ 130.
8. The preparation method of the hot melt adhesive with the far infrared function according to claim 1, characterized by comprising the following steps: the preparation method adopts a prepolymer-chain extension method and specifically comprises the following steps:
step one, synthesizing a polyurethane prepolymer: putting polyester polyol dried for 1-2 h in a vacuum environment at the temperature of 95-110 ℃ into a reaction kettle, and introducing N2Discharging the air in the reaction kettle in the presence of N2Under protection, adding molten diisocyanate, controlling the temperature of the reaction kettle to slowly rise to 80-90 ℃, and reacting for 1.5-2.5 h;
step two, synthesizing a chain extension method body: after the reaction in the first step is finished, adding 1, 4-butanediol, stirring for 2.5-4min, sequentially adding hydroxyl silicone oil, dried thermoplastic resin, an antioxidant, a catalyst and modified tourmaline powder, uniformly stirring to obtain a mixture, and discharging;
step three, curing: and (3) curing the mixture stirred in the second step for 3.5-4.5h under the vacuum condition at the temperature of 95-110 ℃ to obtain the hot melt adhesive with the far infrared function.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911201389.5A CN111117543A (en) | 2019-11-29 | 2019-11-29 | Hot melt adhesive with far infrared function and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911201389.5A CN111117543A (en) | 2019-11-29 | 2019-11-29 | Hot melt adhesive with far infrared function and preparation method thereof |
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| Publication Number | Publication Date |
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| CN111117543A true CN111117543A (en) | 2020-05-08 |
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| CN201911201389.5A Pending CN111117543A (en) | 2019-11-29 | 2019-11-29 | Hot melt adhesive with far infrared function and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112322242A (en) * | 2020-11-06 | 2021-02-05 | 广东泰强化工实业有限公司 | Hydroxyl silicone oil modified polyurethane hot melt adhesive and preparation method thereof |
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Application publication date: 20200508 |