CN110204856A - A kind of coffee grounds melamine resin and preparation method thereof - Google Patents
A kind of coffee grounds melamine resin and preparation method thereof Download PDFInfo
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- CN110204856A CN110204856A CN201910607754.6A CN201910607754A CN110204856A CN 110204856 A CN110204856 A CN 110204856A CN 201910607754 A CN201910607754 A CN 201910607754A CN 110204856 A CN110204856 A CN 110204856A
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- coffee grounds
- melamine resin
- melamine
- coffee
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L61/00—Compositions of condensation polymers of aldehydes or ketones; Compositions of derivatives of such polymers
- C08L61/20—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
- C08L61/26—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with heterocyclic compounds
- C08L61/28—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with heterocyclic compounds with melamine
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/06—Biodegradable
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
- C08L2205/16—Fibres; Fibrils
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a kind of coffee grounds melamine resins, belong to melamine resin field of material technology.It includes the melamine-formaldehyde resin performed polymer that mass percent is 40-50%, the coffee grounds of 20-30%, the bamboo powder of 10-30%, the curing agent of 0.5-1.0%, the binder of 0.1-1.0%, the soybean lecithin of 1-2% and the wool fiber of 3-5%.The invention also discloses a kind of preparation methods of coffee grounds melamine resin, comprising: coffee grounds pretreatment, coffee grounds oil removing, mixing, whole stirring and the mixing, molding of soybean lecithin and wool fiber.The present invention has shock resistance strong using the product of coffee grounds melamine resin material of said ratio ingredient and preparation method thereof preparation, the high advantage of degradability.Toughness using mentioned component proportion and the product of preparation method production is greater than 9.5KJ/m2, degradability is 70% or more.
Description
Technical field
The invention belongs to melamine resin field of material technology more particularly to a kind of melamine resins and its system containing coffee grounds
Preparation Method.
Background technique
Melamine resin have the advantages that it is non-toxic and tasteless, resistance to collide with, be corrosion-resistant, high temperature resistant and low temperature, close structure have
Stronger hardness is not easy to break, and durability is good, therefore frequently as the materials'use of production tableware.Melamine resin is macromolecule friendship
It is coupled the thermosetting plastics of structure, brittleness is relatively large, exists in use using tableware made of melamine resin larger
Breakage rate.In addition, the degradability of melamine resin is poor, it is easy to pollute the environment.
Coffee is one of big drink in the world three, and with the change of people's living habit, the dosage of coffee is in average annual growth
Trend.For the coffee of every 1 kilogram of production by 0.9 kilogram of generation of coffee grounds, coffee grounds Yield comparison is big.It is common to handle coffee grounds
Method is exactly burning and landfill, causes the waste of resource and the energy.Coffee grounds have preferable adsorptivity, deodorization properties, every
Heat and heat insulating ability, and it with preferable degradability, coffee grounds, which is added in melamine resin, can be improved melamine resin
Degradability and heat insulation, coffee grounds, which is added in melamine resin, can also reduce material cost.
Summary of the invention
The object of the present invention is to provide a kind of coffee grounds melamine resins, can reduce material cost, with higher to drop
Xie Xing.
To achieve the above object, the present invention provides a kind of coffee grounds melamine resin, the original including following mass percent
Expect melamine-formaldehyde resin performed polymer 40-50%, coffee grounds 20-30%, bamboo powder 10-30%, curing agent 0.5-1.0%, binder
0.1-1.0%, soybean lecithin 1-2% and wool fiber 3-5%.
Preferably, the raw material including following mass percent: melamine-formaldehyde resin performed polymer 40.5-49.8%, coffee grounds
21-29%, bamboo powder 15-25%, curing agent 0.55-0.98%, binder 0.2-0.9%, soybean lecithin 1.1-1.9% and wool
Fiber 3.2-4.8%.
Preferably, the curing agent is phthalic anhydride, sulfamic acid ammonia or sulfuric acid ethanol amine.
Preferably, the binder is polyethylene glycol of the molecular weight between 4000-8000.
Preferably, the partial size of the coffee grounds is 100-150 mesh.
The preparation method of above-mentioned coffee grounds melamine resin, comprising the following steps:
S1, ingredient weigh each raw material according to composition proportion；
Coffee grounds, is placed in dismembyator grinds first, and be sieved, obtaining partial size is by S2, coffee grounds pretreatment
The coffee grounds of 100-150 mesh；Ground coffee grounds is cleaned in distilled water, removes the ash content on coffee grounds surface and miscellaneous
Matter, and the coffee grounds after washing is placed in drying box and is dried, the coffee grounds water content after drying is 35-40%；
S3, coffee grounds oil removing, the coffee grounds after drying is placed in vacuum furnace, carries out carbonization oil removing, vacuum degree
For 0.02-0.08MPa；
S4, soybean lecithin and wool fiber mixing, by soybean lecithin and wool fiber be added distilled water carry out it is uniformly mixed,
And sodium peroxydisulfate stirring is added, it is filtered after the completion of stirring；
S5, mixing, will by step S4 treated soybean lecithin and wool fiber mixture, after step S3 processing
Coffee grounds, melamine-formaldehyde resin performed polymer, curing agent, bonding agent be put into kneader and mediate 30-60 minutes, be then placed in
It is dried in 70-80 DEG C of drying box；The mixture of drying and bamboo powder are put into ball mill ball milling 5-6 hours, coffee grounds is obtained
Melamine resin powder；
Coffee grounds melamine resin powder is put into injection molding machine or extruder and forms by S6, molding.
Preferably, in the step S2, the drying temperature of coffee grounds is 70-80 DEG C, and drying time is 10-12 hours.
Preferably, in the step S3, temperature is increased to 150-200 DEG C with the heating rate of 10-15 DEG C/min first,
Heat preservation 20-30 minutes；Then temperature is increased to 400-450 DEG C with the heating rate of 5-10 DEG C/min, keeps the temperature 30-40 minutes.
Preferably, in the step S4, the quality of the Solute mass of sodium peroxydisulfate and soybean lecithin and wool fiber and it
Than for 1:20-30, stirring rate 300-400r/min, mixing time is 5-6 hour, whipping temp is 40-50 DEG C.
The advantages and positive effects of the present invention are:
(1) bamboo powder and coffee grounds are added in melamine-formaldehyde resin performed polymer, the usage amount of melamine resin can be reduced,
Reduce material cost.The deodorizing effect of melamine resin can be improved in the good adsorptivity of coffee grounds.Coffee grounds and bamboo powder are can
Degradability substance increases the degradability of melamine resin.
(2) pyrolysis carbonization is carried out to coffee grounds, can effectively remove the grease contained in coffee grounds, improve coffee grounds with
Bond strength between melamine resin.Grease at pyrolysis can also industrially carry out using.
(3) one layer of clad can be formed on the surface of coffee grounds after soybean lecithin and wool fiber crosslinking, to make coffee
Good connection is formed between coffee slag and melamine-formaldehyde resin performed polymer.And the toughness of material can be improved in wool fiber, drop
Its low brittleness.
Below by embodiment, technical scheme of the present invention will be described in further detail.
Specific embodiment
Below with reference to embodiment, the invention will be further described, it should be noted that the present embodiment is with this technology
Premised on scheme, the detailed implementation method and specific operation process are given, but protection scope of the present invention is not limited to this
Embodiment.
Embodiment
A kind of coffee grounds melamine resin, the raw material including following mass percent: melamine-formaldehyde resin performed polymer 40.5-
49.8%, coffee grounds 21-29%, bamboo powder 15-25%, curing agent 0.55-0.98%, bonding agent 0.2-0.9%, soybean lecithin
1.1-1.9% and wool fiber 3.2-4.8%.
Curing agent is one or more of phthalic anhydride, sulfamic acid ammonia or sulfuric acid ethanol amine mixture.
Binder is polyethylene glycol of the molecular weight between 4000-8000.The polyethylene glycol of liquid, paste or solid all may be used
To meet needs.Polyethylene glycol have good lubricity, moisture retention, dispersibility and caking property, can be improved coffee grounds with
Bonding strength between melamine-formaldehyde resin performed polymer.
The partial size of coffee grounds is 100-150 mesh.
The preparation method of above-mentioned coffee grounds melamine resin, comprising the following steps:
S1, ingredient weigh each raw material according to composition proportion.
Coffee grounds, is placed in dismembyator grinds first, and be sieved, obtaining partial size is by S2, coffee grounds pretreatment
The coffee grounds of 100-150 mesh.Ground coffee grounds is cleaned in distilled water, removes the ash content on coffee grounds surface and miscellaneous
Matter.Cleaned coffee grounds draining and being put into drying box is dried, the coffee grounds water content after drying is 35-40%.
The drying temperature of coffee grounds is 70-80 DEG C, and drying time is 10-12 hours.
S3, coffee grounds oil removing, the coffee grounds after drying is placed in vacuum furnace, carries out carbonization oil removing, vacuum degree
For 0.02-0.08MPa.Temperature is increased to 150-200 DEG C, 20-30 points of heat preservation with the heating rate of 10-15 DEG C/min first
Clock adequately evaporates moisture remaining in coffee grounds in this stage.Then with the heating rate of 5-10 DEG C/min by temperature liter
Height arrives 400-450 DEG C, keeps the temperature 30-40 minutes.The volatilization of organic principle is carried out in this stage, removes the oil contained in coffee grounds
Rouge.The non-carbon components of organic matter is removed in pyrolytic process, and is rearranged by thermal polycondensation reaction.Pyrolysis carbonization is completed
Afterwards, room temperature is naturally cooled to, prefabricated coffee grounds is obtained.In coffee grounds dissociate fatty acid be greater than 60%, in grease include
Coffee grounds and melamine-formaldehyde resin can be improved in grease removal in coffee grounds by palmitinic acid, linoleic acid, oleic acid and stearic acid
The bond strength of performed polymer.
S4, soybean lecithin and wool fiber mixing, by soybean lecithin and wool fiber be added distilled water carry out it is uniformly mixed,
And sodium peroxydisulfate stirring is added, it is filtered after the completion of stirring.The Solute mass and soybean lecithin and wool fiber of sodium peroxydisulfate
Quality and the ratio between be 1:20-30, stirring rate 300-400r/min, mixing time be 5-6 hours, whipping temp 40-
50℃。
S5, mixing, will by step S4 treated soybean lecithin and wool fiber mixture, after step S3 processing
Coffee grounds, melamine-formaldehyde resin performed polymer, curing agent, bonding agent be put into kneader and mediate 30-60 minutes, be then placed in
It is dried in 70-80 DEG C of drying box；The mixture of drying and bamboo powder are put into ball mill ball milling 5-6 hours, coffee grounds is obtained
Melamine resin powder.One layer of clad can be formed on the surface of coffee grounds after soybean lecithin and wool fiber crosslinking, to make coffee
Good connection is formed between coffee slag and melamine-formaldehyde resin performed polymer.And the toughness of material can be improved in wool fiber, drop
Its low brittleness.
Coffee grounds melamine resin powder is put into injection molding machine or extruder and forms by S6, molding.
Toughness using mentioned component proportion and the product of preparation method production is greater than 9.5KJ/m2, degradability
70% or more.
Therefore, the product that the present invention is prepared using coffee grounds melamine resin material of said ratio ingredient and preparation method thereof
It is strong with shock resistance, the high advantage of degradability.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention rather than is limited,
Although the present invention is described in detail with reference to preferred embodiments, those skilled in the art should understand that: its according to
So can be with modification or equivalent replacement of the technical solution of the present invention are made, and these modifications or equivalent replacement cannot also make to repair
Technical solution after changing is detached from the spirit and scope of technical solution of the present invention.
Claims (9)
1. a kind of coffee grounds melamine resin, which is characterized in that the raw material including following mass percent: melamine-formaldehyde resin is pre-
Aggressiveness 40-50%, coffee grounds 20-30%, bamboo powder 10-30%, curing agent 0.5-1.0%, binder 0.1-1.0%, soybean phosphorus
Rouge 1-2% and wool fiber 3-5%.
2. a kind of coffee grounds melamine resin according to claim 1, which is characterized in that the original including following mass percent
Material: melamine-formaldehyde resin performed polymer 40.5-49.8%, coffee grounds 21-29%, bamboo powder 15-25%, curing agent 0.55-
0.98%, binder 0.2-0.9%, soybean lecithin 1.1-1.9% and wool fiber 3.2-4.8%.
3. a kind of coffee grounds melamine resin according to claim 1, it is characterised in that: the curing agent is phthalic acid
Acid anhydride, sulfamic acid ammonia or sulfuric acid ethanol amine.
4. a kind of coffee grounds melamine resin according to claim 1, which is characterized in that the binder is that molecular weight exists
Polyethylene glycol between 4000-8000.
5. a kind of coffee grounds melamine resin according to claim 1, which is characterized in that the partial size of the coffee grounds is 100-
150 mesh.
6. a kind of preparation method of coffee grounds melamine resin according to claim 1-5, which is characterized in that including
Following steps:
S1, ingredient weigh each raw material according to composition proportion；
Coffee grounds, is placed in dismembyator grinds first, and be sieved by S2, coffee grounds pretreatment, and obtaining partial size is 100-150
Purpose coffee grounds；Ground coffee grounds is cleaned in distilled water, removes the ash content and impurity on coffee grounds surface, and will
Coffee grounds after washing, which is placed in drying box, is dried, and the coffee grounds water content after drying is 35-40%；
S3, coffee grounds oil removing, the coffee grounds after drying is placed in vacuum furnace, carries out carbonization oil removing, and vacuum degree is
0.02-0.08MPa；
Soybean lecithin and wool fiber are added distilled water and carry out uniformly mixed, and added by S4, soybean lecithin and wool fiber mixing
Enter sodium peroxydisulfate stirring, is filtered after the completion of stirring；
S5, mixing, will by step S4 treated soybean lecithin and wool fiber mixture, by step S3 treated coffee
Coffee slag, melamine-formaldehyde resin performed polymer, curing agent, bonding agent are put into kneader and mediate 30-60 minutes, are then placed in 70-80
DEG C drying box in dry；The mixture of drying and bamboo powder are put into ball mill ball milling 5-6 hours, coffee grounds melamine tree is obtained
Cosmetics；
Coffee grounds melamine resin powder is put into injection molding machine or extruder and forms by S6, molding.
7. a kind of preparation method of coffee grounds melamine resin according to claim 6, it is characterised in that: the step S2
In, the drying temperature of coffee grounds is 70-80 DEG C, and drying time is 10-12 hours.
8. a kind of preparation method of coffee grounds melamine resin according to claim 6, it is characterised in that: the step S3
In, temperature is increased to 150-200 DEG C with the heating rate of 10-15 DEG C/min first, keeps the temperature 20-30 minutes；Then with 5-10
DEG C/temperature is increased to 400-450 DEG C by the heating rate of min, keep the temperature 30-40 minutes.
9. a kind of preparation method of coffee grounds melamine resin according to claim 6, it is characterised in that: the step S4
In, the quality of the Solute mass of sodium peroxydisulfate and soybean lecithin and wool fiber and the ratio between be 1: 20-30, stirring rate 300-
400r/min, mixing time are 5-6 hours, and whipping temp is 40-50 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910607754.6A CN110204856A (en) | 2019-07-05 | 2019-07-05 | A kind of coffee grounds melamine resin and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910607754.6A CN110204856A (en) | 2019-07-05 | 2019-07-05 | A kind of coffee grounds melamine resin and preparation method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111534045A (en) * | 2020-06-06 | 2020-08-14 | 深圳市科思飞科技有限公司 | Ceramic powder melamine resin and preparation method thereof |
| CN112724595A (en) * | 2021-01-29 | 2021-04-30 | 佛山市至佳餐具有限公司 | Melamine resin based on recycled renewable resources and preparation method and application thereof |
| CN113304645A (en) * | 2021-05-24 | 2021-08-27 | 石狮市乔洋密胺材料有限公司 | Production device and preparation method of coffee-grounds-modified melamine resin powder |
| CN114752181A (en) * | 2022-04-08 | 2022-07-15 | 安徽易科环保科技集团有限公司 | Coffee grounds formula for dinner plate production and preparation method thereof |
| CN115433407A (en) * | 2021-06-04 | 2022-12-06 | 科劲发展有限公司 | Composite plastic containing plant fiber, preparation method and application thereof |
| CN115466484A (en) * | 2022-03-16 | 2022-12-13 | 深圳市德艺科技实业有限公司 | Melamine resin product containing natural fibers and preparation method thereof |
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|---|---|---|---|---|
| CA858490A (en) * | 1970-12-15 | General Foods Corporation | Process for grinding coffee and upgrading same | |
| CN101704987A (en) * | 2009-11-26 | 2010-05-12 | 常州华中集团有限责任公司 | Macromolecular vessel prepared by adopting coffee grounds as stuffing and preparation method thereof |
| CN105217629A (en) * | 2015-10-30 | 2016-01-06 | 广东工业大学 | The preparation method of coffee grounds gac |
-
2019
- 2019-07-05 CN CN201910607754.6A patent/CN110204856A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA858490A (en) * | 1970-12-15 | General Foods Corporation | Process for grinding coffee and upgrading same | |
| CN101704987A (en) * | 2009-11-26 | 2010-05-12 | 常州华中集团有限责任公司 | Macromolecular vessel prepared by adopting coffee grounds as stuffing and preparation method thereof |
| CN105217629A (en) * | 2015-10-30 | 2016-01-06 | 广东工业大学 | The preparation method of coffee grounds gac |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111534045A (en) * | 2020-06-06 | 2020-08-14 | 深圳市科思飞科技有限公司 | Ceramic powder melamine resin and preparation method thereof |
| CN112724595A (en) * | 2021-01-29 | 2021-04-30 | 佛山市至佳餐具有限公司 | Melamine resin based on recycled renewable resources and preparation method and application thereof |
| CN113304645A (en) * | 2021-05-24 | 2021-08-27 | 石狮市乔洋密胺材料有限公司 | Production device and preparation method of coffee-grounds-modified melamine resin powder |
| CN115433407A (en) * | 2021-06-04 | 2022-12-06 | 科劲发展有限公司 | Composite plastic containing plant fiber, preparation method and application thereof |
| CN115466484A (en) * | 2022-03-16 | 2022-12-13 | 深圳市德艺科技实业有限公司 | Melamine resin product containing natural fibers and preparation method thereof |
| CN114752181A (en) * | 2022-04-08 | 2022-07-15 | 安徽易科环保科技集团有限公司 | Coffee grounds formula for dinner plate production and preparation method thereof |
| CN114752181B (en) * | 2022-04-08 | 2023-08-22 | 安徽易科环保科技集团有限公司 | Coffee grounds modified melamine tableware material and preparation method thereof |
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