CN113831722A - Breathable polyurethane seat sponge and preparation process thereof - Google Patents
Breathable polyurethane seat sponge and preparation process thereof Download PDFInfo
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- CN113831722A CN113831722A CN202111042413.2A CN202111042413A CN113831722A CN 113831722 A CN113831722 A CN 113831722A CN 202111042413 A CN202111042413 A CN 202111042413A CN 113831722 A CN113831722 A CN 113831722A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0061—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof characterized by the use of several polymeric components
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2375/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
- C08J2375/04—Polyurethanes
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2497/00—Characterised by the use of lignin-containing materials
- C08J2497/02—Lignocellulosic material, e.g. wood, straw or bagasse
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2499/00—Characterised by the use of natural macromolecular compounds or of derivatives thereof not provided for in groups C08J2401/00 - C08J2407/00 or C08J2489/00 - C08J2497/00
Abstract
The invention discloses a breathable polyurethane seat sponge and a preparation process thereof, relates to the technical field of automobile seat sponges, and discloses a breathable polyurethane seat sponge which comprises the following components in parts by weight: 100-120 parts of polyurethane, 10-20 parts of foaming auxiliary agent, 10-20 parts of adhesive, 5-7 parts of light stabilizer, 20-25 parts of plant fiber, 5-10 parts of catalyst, 2-6 parts of additive and 20-25 parts of solvent. According to the invention, the preparation process adopts the paper pulp waste liquid as the foaming auxiliary agent, so that the foaming effect of the sponge can be realized, the waste utilization effect is realized, the environment is protected, the dried orange peel is used as the additive, the fresh smell of the automobile seat sponge is increased, the air in the automobile is purified, the air permeability of the automobile seat sponge is good, the air permeability is 67.6% at the lowest, and when the mass part ratio of the foaming auxiliary agent to the catalyst is 2, the air permeability reaches the maximum and is 75.3%.
Description
Technical Field
The invention relates to the technical field of automobile seat sponges, in particular to a breathable polyurethane seat sponge and a preparation process thereof.
Background
Sponges commonly used by people are made of wood cellulose fibers or foamed plastic polymers, in addition, natural sponges made of sponge animals are also available, most of which are used for body cleaning or painting, and in addition, synthetic sponges made of three types of other materials, respectively, low-density polyether (non-absorbent sponge), polyvinyl alcohol (highly absorbent material, without significant pores) and polyester. The latest national standard "nomenclature and definition of types of cars and trailers" (GB/T3730.1-2001) in China defines cars as follows: power-driven, non-rail-borne vehicles with 4 or more than 4 wheels, mainly used for: carrying personnel and/or goods; a vehicle for towing persons and/or goods; the application is special. The automobile seat is a main riding part for a driver and passengers in an automobile, the riding part of the automobile seat is generally designed by sponge, the comfort level of the automobile seat can be improved, the sponge of the automobile seat is shaped cotton, and the main raw material of the sponge is polyurethane.
However, in the prior art, most polyurethane seat sponges have insufficient air permeability, so that the use comfort is seriously reduced.
Disclosure of Invention
The invention aims to provide a breathable polyurethane seat sponge and a preparation process thereof, and aims to solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a ventilative polyurethane seat sponge, the seat sponge includes according to the part by mass:
100 portions of polyurethane
10-20 parts of foaming auxiliary agent
10-20 parts of adhesive
5-7 parts of light stabilizer
20-25 parts of plant fiber
5-10 parts of catalyst
2-6 parts of additive
20-25 parts of a solvent.
As a further scheme of the invention: the foaming auxiliary agent is paper pulp waste liquid.
As a still further scheme of the invention: the adhesive is one of synthetic resin, ethylene-vinyl acetate copolymer, polystyrene and polyacrylate.
As a still further scheme of the invention: the catalyst is a dipropylene glycol solution.
As a still further scheme of the invention: the additive is dried orange peel, and the solvent is distilled water.
A preparation process of a breathable polyurethane seat sponge comprises the following specific steps:
step S1: sequentially weighing polyurethane, a foaming auxiliary agent, an adhesive, a light stabilizer, plant fibers, a catalyst, an additive and a solvent according to parts by weight for later use;
step S2: crushing and grinding the additive and the plant fiber to obtain dried orange peel particles and plant fiber particles;
step S3: mixing and stirring polyurethane, a foaming auxiliary agent, an adhesive and a solvent to obtain a first mixture, then mixing and stirring a light stabilizer and a catalyst to obtain a second mixture, and then mixing and stirring the additive treated in the step S2 and plant fibers to obtain a third mixture;
step S4: and (5) transferring the mixture I, the mixture II and the mixture III in the step (S3) to a water bath kettle, stirring and heating in the water bath, transferring the mixture stirred and heated in the water bath to a melting furnace, melting and stirring to form a melt, and finally transferring the melt to a mold, cooling and molding to obtain the product.
As a still further scheme of the invention: the particle size of the dried orange peel particles in the step S2 is smaller than 30um, and the particle size of the plant fiber particles in the step S2 is smaller than 30 um.
As a still further scheme of the invention: the water bath stirring heating temperature in the step S4 is 75 ℃, the water bath stirring rotation speed is 300r/min, the water bath time is 2h, the melt stirring temperature in the step S4 is 300 ℃, the melt stirring rotation speed is 120r/min, and the melt stirring time is 4 h.
Compared with the prior art, the invention has the beneficial effects that: the preparation process disclosed by the invention adopts the paper pulp waste liquid as the foaming auxiliary agent, so that the foaming effect of the sponge can be realized, the waste utilization effect is realized, the environment is relatively protected, the dried orange peel is adopted as the additive, the fresh smell of the automobile seat sponge is increased, the air in an automobile is purified, the air permeability of the automobile seat sponge is better, the air permeability is 67.6% at the lowest, and when the mass part ratio of the foaming auxiliary agent to the catalyst is 2, the air permeability reaches the maximum and is 75.3%.
Drawings
Fig. 1 is a graph showing air permeability data of various examples of a breathable polyurethane seat sponge and a preparation process thereof.
FIG. 2 is a line graph of the relationship between the ratio of the mass parts of the foaming auxiliary agent and the catalyst and the air permeability in the preparation process of the breathable polyurethane seat sponge.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In embodiment 1 of the present invention, a breathable polyurethane seat sponge comprises, in parts by mass:
120 portions of polyurethane
10 portions of foaming auxiliary agent
20 portions of adhesive
Light stabilizer 7 parts
25 parts of plant fiber
Catalyst 5 parts
6 portions of additive
And 25 parts of a solvent.
The foaming auxiliary agent is pulp waste liquid; the adhesive is one of synthetic resin, ethylene-vinyl acetate copolymer, polystyrene and polyacrylate; the catalyst is a dipropylene glycol solution; the additive is dried orange peel, and the solvent is distilled water.
A preparation process of a breathable polyurethane seat sponge comprises the following specific steps:
step S1: sequentially weighing polyurethane, a foaming auxiliary agent, an adhesive, a light stabilizer, plant fibers, a catalyst, an additive and a solvent according to parts by weight for later use;
step S2: crushing and grinding the additive and the plant fiber to obtain dried orange peel particles and plant fiber particles;
step S3: mixing and stirring polyurethane, a foaming auxiliary agent, an adhesive and a solvent to obtain a first mixture, then mixing and stirring a light stabilizer and a catalyst to obtain a second mixture, and then mixing and stirring the additive treated in the step S2 and plant fibers to obtain a third mixture;
step S4: and (5) transferring the mixture I, the mixture II and the mixture III in the step (S3) to a water bath kettle, stirring and heating in the water bath, transferring the mixture stirred and heated in the water bath to a melting furnace, melting and stirring to form a melt, and finally transferring the melt to a mold, cooling and molding to obtain the product.
The particle size of the dried orange peel particles in the step S2 is smaller than 30um, and the particle size of the plant fiber particles in the step S2 is smaller than 30 um; in the step S4, the stirring and heating temperature of the water bath is 75 ℃, the stirring speed of the water bath is 300r/min, the time of the water bath is 2 hours, the melting and stirring temperature in the step S4 is 300 ℃, the melting and stirring speed is 120r/min, and the melting and stirring time is 4 hours.
In embodiment 2 of the present invention, a breathable polyurethane seat sponge comprises, in parts by mass:
120 portions of polyurethane
15 portions of foaming auxiliary agent
20 portions of adhesive
Light stabilizer 7 parts
25 parts of plant fiber
Catalyst 5 parts
6 portions of additive
And 25 parts of a solvent.
The foaming auxiliary agent is pulp waste liquid; the adhesive is one of synthetic resin, ethylene-vinyl acetate copolymer, polystyrene and polyacrylate; the catalyst is a dipropylene glycol solution; the additive is dried orange peel, and the solvent is distilled water.
A preparation process of a breathable polyurethane seat sponge comprises the following specific steps:
step S1: sequentially weighing polyurethane, a foaming auxiliary agent, an adhesive, a light stabilizer, plant fibers, a catalyst, an additive and a solvent according to parts by weight for later use;
step S2: crushing and grinding the additive and the plant fiber to obtain dried orange peel particles and plant fiber particles;
step S3: mixing and stirring polyurethane, a foaming auxiliary agent, an adhesive and a solvent to obtain a first mixture, then mixing and stirring a light stabilizer and a catalyst to obtain a second mixture, and then mixing and stirring the additive treated in the step S2 and plant fibers to obtain a third mixture;
step S4: and (5) transferring the mixture I, the mixture II and the mixture III in the step (S3) to a water bath kettle, stirring and heating in the water bath, transferring the mixture stirred and heated in the water bath to a melting furnace, melting and stirring to form a melt, and finally transferring the melt to a mold, cooling and molding to obtain the product.
The particle size of the dried orange peel particles in the step S2 is smaller than 30um, and the particle size of the plant fiber particles in the step S2 is smaller than 30 um; in the step S4, the stirring and heating temperature of the water bath is 75 ℃, the stirring speed of the water bath is 300r/min, the time of the water bath is 2 hours, the melting and stirring temperature in the step S4 is 300 ℃, the melting and stirring speed is 120r/min, and the melting and stirring time is 4 hours.
In embodiment 3 of the present invention, a breathable polyurethane seat sponge comprises, in parts by mass:
120 portions of polyurethane
20 portions of foaming auxiliary agent
20 portions of adhesive
Light stabilizer 7 parts
25 parts of plant fiber
Catalyst 5 parts
6 portions of additive
And 25 parts of a solvent.
The foaming auxiliary agent is pulp waste liquid; the adhesive is one of synthetic resin, ethylene-vinyl acetate copolymer, polystyrene and polyacrylate; the catalyst is a dipropylene glycol solution; the additive is dried orange peel, and the solvent is distilled water.
A preparation process of a breathable polyurethane seat sponge comprises the following specific steps:
step S1: sequentially weighing polyurethane, a foaming auxiliary agent, an adhesive, a light stabilizer, plant fibers, a catalyst, an additive and a solvent according to parts by weight for later use;
step S2: crushing and grinding the additive and the plant fiber to obtain dried orange peel particles and plant fiber particles;
step S3: mixing and stirring polyurethane, a foaming auxiliary agent, an adhesive and a solvent to obtain a first mixture, then mixing and stirring a light stabilizer and a catalyst to obtain a second mixture, and then mixing and stirring the additive treated in the step S2 and plant fibers to obtain a third mixture;
step S4: and (5) transferring the mixture I, the mixture II and the mixture III in the step (S3) to a water bath kettle, stirring and heating in the water bath, transferring the mixture stirred and heated in the water bath to a melting furnace, melting and stirring to form a melt, and finally transferring the melt to a mold, cooling and molding to obtain the product.
The particle size of the dried orange peel particles in the step S2 is smaller than 30um, and the particle size of the plant fiber particles in the step S2 is smaller than 30 um; in the step S4, the stirring and heating temperature of the water bath is 75 ℃, the stirring speed of the water bath is 300r/min, the time of the water bath is 2 hours, the melting and stirring temperature in the step S4 is 300 ℃, the melting and stirring speed is 120r/min, and the melting and stirring time is 4 hours.
In embodiment 4 of the present invention, a breathable polyurethane seat sponge comprises, in parts by mass:
120 portions of polyurethane
10 portions of foaming auxiliary agent
20 portions of adhesive
Light stabilizer 7 parts
25 parts of plant fiber
10 portions of catalyst
6 portions of additive
And 25 parts of a solvent.
The foaming auxiliary agent is pulp waste liquid; the adhesive is one of synthetic resin, ethylene-vinyl acetate copolymer, polystyrene and polyacrylate; the catalyst is a dipropylene glycol solution; the additive is dried orange peel, and the solvent is distilled water.
A preparation process of a breathable polyurethane seat sponge comprises the following specific steps:
step S1: sequentially weighing polyurethane, a foaming auxiliary agent, an adhesive, a light stabilizer, plant fibers, a catalyst, an additive and a solvent according to parts by weight for later use;
step S2: crushing and grinding the additive and the plant fiber to obtain dried orange peel particles and plant fiber particles;
step S3: mixing and stirring polyurethane, a foaming auxiliary agent, an adhesive and a solvent to obtain a first mixture, then mixing and stirring a light stabilizer and a catalyst to obtain a second mixture, and then mixing and stirring the additive treated in the step S2 and plant fibers to obtain a third mixture;
step S4: and (5) transferring the mixture I, the mixture II and the mixture III in the step (S3) to a water bath kettle, stirring and heating in the water bath, transferring the mixture stirred and heated in the water bath to a melting furnace, melting and stirring to form a melt, and finally transferring the melt to a mold, cooling and molding to obtain the product.
The particle size of the dried orange peel particles in the step S2 is smaller than 30um, and the particle size of the plant fiber particles in the step S2 is smaller than 30 um; in the step S4, the stirring and heating temperature of the water bath is 75 ℃, the stirring speed of the water bath is 300r/min, the time of the water bath is 2 hours, the melting and stirring temperature in the step S4 is 300 ℃, the melting and stirring speed is 120r/min, and the melting and stirring time is 4 hours.
In embodiment 5 of the present invention, a breathable polyurethane seat sponge comprises, in parts by mass:
120 portions of polyurethane
15 portions of foaming auxiliary agent
20 portions of adhesive
Light stabilizer 7 parts
25 parts of plant fiber
10 portions of catalyst
6 portions of additive
And 25 parts of a solvent.
The foaming auxiliary agent is pulp waste liquid; the adhesive is one of synthetic resin, ethylene-vinyl acetate copolymer, polystyrene and polyacrylate; the catalyst is a dipropylene glycol solution; the additive is dried orange peel, and the solvent is distilled water.
A preparation process of a breathable polyurethane seat sponge comprises the following specific steps:
step S1: sequentially weighing polyurethane, a foaming auxiliary agent, an adhesive, a light stabilizer, plant fibers, a catalyst, an additive and a solvent according to parts by weight for later use;
step S2: crushing and grinding the additive and the plant fiber to obtain dried orange peel particles and plant fiber particles;
step S3: mixing and stirring polyurethane, a foaming auxiliary agent, an adhesive and a solvent to obtain a first mixture, then mixing and stirring a light stabilizer and a catalyst to obtain a second mixture, and then mixing and stirring the additive treated in the step S2 and plant fibers to obtain a third mixture;
step S4: and (5) transferring the mixture I, the mixture II and the mixture III in the step (S3) to a water bath kettle, stirring and heating in the water bath, transferring the mixture stirred and heated in the water bath to a melting furnace, melting and stirring to form a melt, and finally transferring the melt to a mold, cooling and molding to obtain the product.
The particle size of the dried orange peel particles in the step S2 is smaller than 30um, and the particle size of the plant fiber particles in the step S2 is smaller than 30 um; in the step S4, the stirring and heating temperature of the water bath is 75 ℃, the stirring speed of the water bath is 300r/min, the time of the water bath is 2 hours, the melting and stirring temperature in the step S4 is 300 ℃, the melting and stirring speed is 120r/min, and the melting and stirring time is 4 hours.
In embodiment 6 of the present invention, a breathable polyurethane seat sponge comprises, in parts by mass:
120 portions of polyurethane
20 portions of foaming auxiliary agent
20 portions of adhesive
Light stabilizer 7 parts
25 parts of plant fiber
10 portions of catalyst
6 portions of additive
And 25 parts of a solvent.
The foaming auxiliary agent is pulp waste liquid; the adhesive is one of synthetic resin, ethylene-vinyl acetate copolymer, polystyrene and polyacrylate; the catalyst is a dipropylene glycol solution; the additive is dried orange peel, and the solvent is distilled water.
A preparation process of a breathable polyurethane seat sponge comprises the following specific steps:
step S1: sequentially weighing polyurethane, a foaming auxiliary agent, an adhesive, a light stabilizer, plant fibers, a catalyst, an additive and a solvent according to parts by weight for later use;
step S2: crushing and grinding the additive and the plant fiber to obtain dried orange peel particles and plant fiber particles;
step S3: mixing and stirring polyurethane, a foaming auxiliary agent, an adhesive and a solvent to obtain a first mixture, then mixing and stirring a light stabilizer and a catalyst to obtain a second mixture, and then mixing and stirring the additive treated in the step S2 and plant fibers to obtain a third mixture;
step S4: and (5) transferring the mixture I, the mixture II and the mixture III in the step (S3) to a water bath kettle, stirring and heating in the water bath, transferring the mixture stirred and heated in the water bath to a melting furnace, melting and stirring to form a melt, and finally transferring the melt to a mold, cooling and molding to obtain the product.
The particle size of the dried orange peel particles in the step S2 is smaller than 30um, and the particle size of the plant fiber particles in the step S2 is smaller than 30 um; in the step S4, the stirring and heating temperature of the water bath is 75 ℃, the stirring speed of the water bath is 300r/min, the time of the water bath is 2 hours, the melting and stirring temperature in the step S4 is 300 ℃, the melting and stirring speed is 120r/min, and the melting and stirring time is 4 hours.
The automobile seat sponge adopts the paper pulp waste liquid as the foaming auxiliary agent, not only can the effect of foaming the sponge be realized, but also the utilization of wastes is realized, the automobile seat sponge is environment-friendly, and the fresh smell of the automobile seat sponge is increased by adopting the dried orange peel as the additive, so that the automobile seat sponge has the function of purifying the air in the automobile.
As can be seen from fig. 1 and 2, the air permeability of the sponge for the automobile seat in the present invention is good, the air permeability is 67.6% at the lowest, and when the ratio of the foaming aid to the catalyst in parts by mass is 2, the air permeability is 75.3% at the highest.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (8)
1. A ventilative polyurethane seat sponge which characterized in that: the seat sponge comprises the following components in parts by mass:
100 portions of polyurethane
10-20 parts of foaming auxiliary agent
10-20 parts of adhesive
5-7 parts of light stabilizer
20-25 parts of plant fiber
5-10 parts of catalyst
2-6 parts of additive
20-25 parts of a solvent.
2. A breathable polyurethane seat sponge according to claim 1, wherein: the foaming auxiliary agent is paper pulp waste liquid.
3. A breathable polyurethane seat sponge according to claim 1, wherein: the adhesive is one of synthetic resin, ethylene-vinyl acetate copolymer, polystyrene and polyacrylate.
4. A breathable polyurethane seat sponge according to claim 1, wherein: the catalyst is a dipropylene glycol solution.
5. A breathable polyurethane seat sponge according to claim 1, wherein: the additive is dried orange peel, and the solvent is distilled water.
6. A preparation process of a breathable polyurethane seat sponge is characterized by comprising the following steps: the preparation process comprises the following specific steps:
step S1: sequentially weighing polyurethane, a foaming auxiliary agent, an adhesive, a light stabilizer, plant fibers, a catalyst, an additive and a solvent according to parts by weight for later use;
step S2: crushing and grinding the additive and the plant fiber to obtain dried orange peel particles and plant fiber particles;
step S3: mixing and stirring polyurethane, a foaming auxiliary agent, an adhesive and a solvent to obtain a first mixture, then mixing and stirring a light stabilizer and a catalyst to obtain a second mixture, and then mixing and stirring the additive treated in the step S2 and plant fibers to obtain a third mixture;
step S4: and (5) transferring the mixture I, the mixture II and the mixture III in the step (S3) to a water bath kettle, stirring and heating in the water bath, transferring the mixture stirred and heated in the water bath to a melting furnace, melting and stirring to form a melt, and finally transferring the melt to a mold, cooling and molding to obtain the product.
7. The preparation process of the breathable polyurethane seat sponge as claimed in claim 6, wherein the preparation process comprises the following steps: the particle size of the dried orange peel particles in the step S2 is smaller than 30um, and the particle size of the plant fiber particles in the step S2 is smaller than 30 um.
8. The preparation process of the breathable polyurethane seat sponge as claimed in claim 6, wherein the preparation process comprises the following steps: the water bath stirring heating temperature in the step S4 is 75 ℃, the water bath stirring rotation speed is 300r/min, the water bath time is 2h, the melt stirring temperature in the step S4 is 300 ℃, the melt stirring rotation speed is 120r/min, and the melt stirring time is 4 h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111042413.2A CN113831722A (en) | 2021-09-07 | 2021-09-07 | Breathable polyurethane seat sponge and preparation process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111042413.2A CN113831722A (en) | 2021-09-07 | 2021-09-07 | Breathable polyurethane seat sponge and preparation process thereof |
Publications (1)
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| CN113831722A true CN113831722A (en) | 2021-12-24 |
Family
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| CN202111042413.2A Withdrawn CN113831722A (en) | 2021-09-07 | 2021-09-07 | Breathable polyurethane seat sponge and preparation process thereof |
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2021
- 2021-09-07 CN CN202111042413.2A patent/CN113831722A/en not_active Withdrawn
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Application publication date: 20211224 |