CN107793782A - Paper-plastic stick plastic filler and preparation method thereof - Google Patents
Paper-plastic stick plastic filler and preparation method thereof Download PDFInfo
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- CN107793782A CN107793782A CN201711131468.4A CN201711131468A CN107793782A CN 107793782 A CN107793782 A CN 107793782A CN 201711131468 A CN201711131468 A CN 201711131468A CN 107793782 A CN107793782 A CN 107793782A
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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
- C08L97/00—Compositions of lignin-containing materials
- C08L97/02—Lignocellulosic material, e.g. wood, straw or bagasse
-
- 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
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
-
- 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
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
-
- 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
Abstract
The present invention relates to paper-plastic stick field, specifically discloses a kind of paper-plastic stick plastic filler and preparation method thereof, including:Mixture M 1 is made after bark, herbaceous plant, chitosan, chitin fiber and diatomite are carried out into the first mixing, the first heat treatment;By calcium stearate, sodium alginate, hydrotalcite, ferric stearate and yttrium be added in mixture M 1 carry out second mixing, second heat treatment after, cool drying, ground sieve series obtain paper-plastic stick plastic filler;Wherein, the temperature of the second heat treatment is higher than 50 60 DEG C of the temperature of the first heat treatment.To achieve these goals, present invention also offers paper-plastic stick plastic filler made from a kind of above-mentioned preparation method.Each raw material sources of paper-plastic stick plastic filler are abundant, simple and easy to get, and degradation rate of the paper-plastic stick plastic filler for that can effectively improve plastic products when preparing various plastic products so that its is durable, environmentally friendly, suitable for widely using.
Description
Technical field
The present invention relates to paper-plastic stick arts, in particular it relates to a kind of paper-plastic stick plastic filler and its preparation
Method.
Background technology
Plastic products are rather common in daily life, such as:The plastic products such as polybag, plastic bottle.Such as polybag
Using frequently polybag etc. in daily life, in almost living everywhere can use obtain, but polybag is to people's
While life brings convenient, serious pollution problem is also brought to living environment.
It is well known that polybag has the advantages of protrusions such as light, mechanical performance is excellent, but it is difficult to degrade after discarding
It is a current technical problem for being badly in need of solving result in serious problem of environmental pollution.
And it is current, the preparation technology of most degradable product is complicated, and preparation cost is higher, therefore limits it and enter
One step is promoted the use of.
The content of the invention
It is an object of the invention to provide a kind of paper-plastic stick plastic filler and preparation method thereof, the paper-plastic stick plastics
Each raw material sources of filler are abundant, simple and easy to get, and can when the paper-plastic stick plastic filler is used to prepare various plastic products
Effectively improve the degradation rate of plastic products so that its is durable, environmentally friendly, suitable for widely using.
To achieve these goals, the invention provides a kind of preparation method of paper-plastic stick plastic filler, including:
Made after bark, herbaceous plant, chitosan, chitin fiber and diatomite are carried out into the first mixing, the first heat treatment
Obtain mixture M 1;
Calcium stearate, sodium alginate, hydrotalcite, ferric stearate and yttrium are added into progress second in the mixture M 1 to mix
Close, second heat treatment after, cool drying, ground sieve series obtain the paper-plastic stick plastic filler;
Wherein, the temperature of second heat treatment is higher than 50-60 DEG C of the temperature of the described first heat treatment.
To achieve these goals, present invention also offers paper-plastic stick made from a kind of above-mentioned preparation method to be filled out with plastics
Material.
Pass through above-mentioned technical proposal, present invention selection is first by bark, herbaceous plant, chitosan, chitin fiber and diatom
The components such as soil add the components such as calcium stearate, sodium alginate, hydrotalcite, ferric stearate and yttrium after carrying out the first heat treatment, enter
And further it is heat-treated so that being sufficiently mixed between each component to improve the mutual synergy between each raw material.Above-mentioned technical side
In case, add the components such as bark, herbaceous plant, chitosan, chitin fiber and diatomite and improving the same of its degradation rate
When also assures that it has excellent mechanical performance;The groups such as other calcium stearate, sodium alginate, hydrotalcite, ferric stearate and yttrium
Point further increase the readily degradable energy of plastic products so that plastic products environmental protection is made, being capable of extensive use.
Other features and advantages of the present invention will be described in detail in subsequent specific embodiment part.
Embodiment
The embodiment of the present invention is described in detail below.It is it should be appreciated that described herein specific
Embodiment is merely to illustrate and explain the present invention, and is not intended to limit the invention.
The end points of disclosed scope and any value are not limited to the accurate scope or value herein, these scopes or
Value should be understood to comprising the value close to these scopes or value.For number range, between the endpoint value of each scope, respectively
It can be combined with each other between the endpoint value of individual scope and single point value, and individually between point value and obtain one or more
New number range, these number ranges should be considered as specific open herein.
The invention provides a kind of preparation method of paper-plastic stick plastic filler, comprise the following steps:
Made after bark, herbaceous plant, chitosan, chitin fiber and diatomite are carried out into the first mixing, the first heat treatment
Obtain mixture M 1;
Calcium stearate, sodium alginate, hydrotalcite, ferric stearate and yttrium are added into progress second in the mixture M 1 to mix
Close, second heat treatment after, cool drying, ground sieve series obtain the paper-plastic stick plastic filler;
Wherein, the temperature of second heat treatment is higher than 50-60 DEG C of the temperature of the described first heat treatment.
In above-mentioned technical proposal, the temperature of first heat treatment can select in wide scope, but in order to improve
The effect of heat treatment and then improve promotes the interaction between each raw material, it is preferable that the temperature of first heat treatment is
110-120℃。
In above-mentioned technical proposal, first heat treatment, the time of the second heat treatment can select in wide scope,
But in order to improve the efficiency of obtained first heat treatment, the second heat treatment, it is preferable that the time of first heat treatment be for
4-6h;The time of second heat treatment is 1-2h.
In above-mentioned technical proposal, first mixing, the condition of the second mixing can select in wide scope, but be
Raising first mixing, the effect and efficiency of the second mixing, it is preferable that first mixing, the condition of the second mixing are each
From standing alone as:Rotating speed is 3000-5000rpm, time 1-2h.
In above-mentioned technical proposal, the herbal species can select in wide scope, but in order to improve use
The readily degradable energy of paper-plastic stick product made from the filler, it is preferable that the herbaceous plant is the tuber of dwarf lilyturf, folium isatidis, peppermint, five
One or more in taste, wormwood and American aloe.
In above-mentioned technical proposal, the specific dosage of each raw material can select in wide scope, but be somebody's turn to do to improve to use
The readily degradable energy of paper-plastic stick product made from filler, it is preferable that the bark, herbaceous plant, chitosan, chitin are fine
Dimension, diatomite, calcium stearate, sodium alginate, hydrotalcite, the weight ratio of ferric stearate and yttrium are 100:20-30:3-6:5-15:
3-5:1-3:3-5:5-10:3-6:0.5-1.5.
In addition, the bark used in the present invention can select in wide scope, but in order that obtain obtained film
With more preferable readily degradable energy, the bark can be pine bark, maple skin, peach bark, apple bark, poplar bark and cypress
One or more in skin.
In above-mentioned technical proposal, in order to improve the synergy between herbaceous plant and other components and then improve its paper
The compound readily degradable energy with plastic filler, it is preferable that also include before first mixing:By the bark, the draft
Plant is crushed, boiling and drying.
In above-mentioned technical proposal, the condition of the boiling can select in wide scope, but in order to improve boiling
Efficiency, it is preferable that the condition of the boiling is:Temperature is 95-105 DEG C, and/or the time is 3-5d.
Equally, the condition of the drying can select in wide scope, but in order to improve dry efficiency, preferably
Ground, the condition of the drying are:Temperature is 50-60 DEG C, and/or the time is 12-24h.
Paper-plastic stick plastic filler made from a kind of above-mentioned preparation method is additionally provided in the present invention.
The present invention will be described in detail by way of examples below.
Embodiment 1
Pine bark, the tuber of dwarf lilyturf, chitosan, chitin fiber and diatomite are stirred into 1.5h at 3,000 rpm, and at 110 DEG C
Mixture M 1 is made in 6h after heat treatment;
Calcium stearate, sodium alginate, hydrotalcite, ferric stearate and yttrium are added in the mixture M 1, in 3000rpm
After lower stirring 1.5h, cool drying, ground sieve series obtain the paper-plastic stick plastic filler after 160 DEG C of heat treatment 2h, remember
Make A1;
Wherein, the pine bark, tuber of dwarf lilyturf, chitosan, chitin fiber, diatomite, calcium stearate, sodium alginate, hydrotalcite, hard
The weight of resin acid iron and yttrium ratio is 100:20:3:5:3:1:3:5:3:0.5.
Tested according to the method for detection example 1, complex pocket prepared by obtained A1 compares more traditional polyvinyl chloride plastic pocket
The percentage that degradation speed is improved is 64%.
Embodiment 2
Peach bark, the fruit of Chinese magnoliavine, chitosan, chitin fiber and diatomite are stirred into 1.2h under 4000rpm, and 115
DEG C heat treatment after 5h be made mixture M 1;
Calcium stearate, sodium alginate, hydrotalcite, ferric stearate and yttrium are added in the mixture M 1, in 4000rpm
After lower stirring 1.2h, cool drying, ground sieve series obtain the paper-plastic stick plastic filler after 170 DEG C of heat treatment 1.5h,
It is denoted as A2;
Wherein, peach bark, the fruit of Chinese magnoliavine, chitosan, chitin fiber, diatomite, calcium stearate, sodium alginate, hydrotalcite,
The weight of ferric stearate and yttrium ratio is 100:25:5:10:4:2:4:7:5:1.2.
Tested according to the method for detection example 1, obtained A2 is carried compared to more traditional polyvinyl chloride plastic pocket degradation speed
High percentage is 63%.
Embodiment 3
Maple skin, American aloe, chitosan, chitin fiber and diatomite are stirred into 1h under 3500rpm, and at 120 DEG C
Mixture M 1 is made in 4h after heat treatment;
Calcium stearate, sodium alginate, hydrotalcite, ferric stearate and yttrium are added in the mixture M 1, in 5000rpm
After lower stirring 1h, cool drying, ground sieve series obtain the paper-plastic stick plastic filler after 180 DEG C of heat treatment 1h, are denoted as
A3;
Wherein, maple skin, American aloe, chitosan, chitin fiber, diatomite, calcium stearate, sodium alginate, hydrotalcite,
The weight of ferric stearate and yttrium ratio is 100:30:6:15:5:3:5:10:6:1.5.
Tested according to the method for detection example 1, obtained A3 is carried compared to more traditional polyvinyl chloride plastic pocket degradation speed
High percentage is 65%.
Embodiment 4
The paper-plastic stick plastic filler is prepared Following the procedure of Example 1, is denoted as A4;Unlike, described the
First the tuber of dwarf lilyturf draft is crushed and after 100 DEG C of boiling 5d before one mixing, in 60 DEG C of dry 20h.
Tested according to the method for detection example 1, obtained A4 is carried compared to more traditional polyvinyl chloride plastic pocket degradation speed
High percentage (%) is 66%.
Comparative example 1
Paper-plastic stick plastic filler is prepared Following the procedure of Example 1, is denoted as D1;The difference is that do not carry out at the second heat
Reason, directly by pine bark, the tuber of dwarf lilyturf, chitosan, chitin fiber, diatomite, calcium stearate, sodium alginate, hydrotalcite, stearic acid
Mixture M 1 is made in 8h after iron and yttrium are heat-treated after being mixed together at 110 DEG C.
Tested according to the method for detection example 1, obtained D1 is carried compared to more traditional polyvinyl chloride plastic pocket degradation speed
High percentage is 50%.
Comparative example 2
Paper-plastic stick plastic filler is prepared Following the procedure of Example 1, is denoted as D2;The difference is that do not carry out at the first heat
Reason, directly by pine bark, the tuber of dwarf lilyturf, chitosan, chitin fiber, diatomite, calcium stearate, sodium alginate, hydrotalcite, stearic acid
Mixture M 1 is made in 8h after iron and yttrium are heat-treated after being mixed together at 160 DEG C.
Tested according to the method for detection example 1, obtained D2 is carried compared to more traditional polyvinyl chloride plastic pocket degradation speed
High percentage is 49%.
Comparative example 3
Paper-plastic stick plastic filler is prepared Following the procedure of Example 1, is denoted as D3;The difference is that wheat is not added in raw material
Winter.
Tested according to the method for detection example 1, obtained D3 is carried compared to more traditional polyvinyl chloride plastic pocket degradation speed
High percentage is 39%.
Comparative example 4
Paper-plastic stick plastic filler is prepared Following the procedure of Example 1, is denoted as D4, the difference is that not adding shell in raw material
Glycan.
Tested according to the method for detection example 1, obtained D4 compares more traditional polyvinyl chloride plastic polybag degradation speed institute
The percentage of raising is 35%.
Comparative example 5
Paper-plastic stick plastic filler is prepared Following the procedure of Example 1, is denoted as D5, the difference is that not adding first in raw material
Shell cellulose fiber.
Tested according to the method for detection example 1, obtained D5 compares more traditional polyvinyl chloride plastic polybag degradation speed institute
The percentage of raising is 33%.
Comparative example 6
Paper-plastic stick plastic filler is prepared Following the procedure of Example 1, is denoted as D6, the difference is that not adding sea in raw material
Mosanom.
Tested according to the method for detection example 1, obtained D6 is carried compared to more traditional polyvinyl chloride plastic pocket degradation speed
High percentage is 32%.
Comparative example 7
Paper-plastic stick plastic filler is prepared Following the procedure of Example 1, is denoted as D7, the difference is that not added in raw material hard
Resin acid iron.
Tested according to the method for detection example 1, obtained D7 is carried compared to more traditional polyvinyl chloride plastic pocket degradation speed
High percentage is 30%.
Comparative example 8
Paper-plastic stick plastic filler is prepared Following the procedure of Example 1, is denoted as D8, the difference is that not added in raw material
Yttrium.
Tested according to the method for detection example 1, obtained D8 is carried compared to more traditional polyvinyl chloride plastic pocket degradation speed
High percentage is 31%.
Detect example 1
By plastic filler obtained above be prepared into corresponding to plastic sheeting so that with kraft compounded obtained paper-plastic stick
Bag, and its Biodegradation Times is tested according to ASTM-DT7475-11 method, and compare more traditional igelite
The percentage (%) that bag degradation speed is improved.
Learnt according to testing result:The paper-plastic stick provided in the present invention is respectively provided with excellent life with plastic filler A1-A4
Thing degradation property, and it at least improves more than 60% compared to the degradation speed of more traditional polyvinyl chloride plastic pocket, it is optimal
Degradation speed, which improves, reaches 66%.In addition, the degradation speed of polybag made of A4 is better than polybag made from A1-A3.Say
The mode that is preferably carried out that tuber of dwarf lilyturf herbaceous plant is first carried out to the pretreatments such as boiling provided in the bright present invention can be more effectively
Improve the degradation speed of plastics.
In addition, the degradation speed that polybag made from filler is made in comparative example 1-8 compares more traditional igelite
Bag degradation speed, which improves, is below 50%, i.e., substantially be not as high as A1-A4 degradation rate.The technology provided in the present invention is provided
Herbaceous plant, chitosan, chitin fiber, sodium alginate, ferric stearate and yttrium for being added in scheme etc. can effectively improve modeling
The degradation speed of material products.
The preferred embodiment of the present invention described in detail above, still, the present invention are not limited in above-mentioned embodiment
Detail, in the range of the technology design of the present invention, a variety of simple variants can be carried out to technical scheme, this
A little simple variants belong to protection scope of the present invention.
It is further to note that each particular technique feature described in above-mentioned embodiment, in not lance
In the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, the present invention to it is various can
The combination of energy no longer separately illustrates.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should equally be considered as content disclosed in this invention.
Claims (10)
- A kind of 1. preparation method of paper-plastic stick plastic filler, it is characterised in that including:It is made mixed after bark, herbaceous plant, chitosan, chitin fiber and diatomite are carried out into the first mixing, the first heat treatment Compound M1;By calcium stearate, sodium alginate, hydrotalcite, ferric stearate and yttrium be added in the mixture M 1 carry out second mixing, Second heat treatment after, cool drying, ground sieve series obtain the paper-plastic stick plastic filler;Wherein, the temperature of second heat treatment is higher than 50-60 DEG C of the temperature of the described first heat treatment.
- 2. preparation method according to claim 1, wherein, the temperature of first heat treatment is 110-120 DEG C.
- 3. preparation method according to claim 2, wherein, the time of first heat treatment is 4-6h;The time of second heat treatment is 1-2h.
- 4. preparation method according to claim 1, wherein, first mixing, the condition of the second mixing are each stood alone as: Rotating speed is 3000-5000rpm, time 1-2h.
- 5. according to the preparation method described in any one in claim 1-4, wherein, the herbaceous plant be the tuber of dwarf lilyturf, folium isatidis, One or more in peppermint, the fruit of Chinese magnoliavine, wormwood and American aloe.
- 6. preparation method according to claim 1, wherein, the bark, herbaceous plant, chitosan, chitin fiber, silicon Diatomaceous earth, calcium stearate, sodium alginate, hydrotalcite, the weight ratio of ferric stearate and yttrium are 100:20-30:3-6:5-15:3-5:1- 3:3-5:5-10:3-6:0.5-1.5.
- 7. according to the preparation method described in any one in claim 1-4 and 6, wherein, also include before first mixing: By the bark, the herbaceous plant crushed, boiling and drying.
- 8. preparation method according to claim 7, wherein, the condition of the boiling is:Temperature is 95-105 DEG C, and/or Time is 3-5d.
- 9. preparation method according to claim 7, wherein, the condition of the drying is:Temperature is 50-60 DEG C, and/or when Between be 12-24h.
- 10. paper-plastic stick plastic filler made from the preparation method in a kind of 1-9 as claim described in any one.
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CN201711131468.4A CN107793782A (en) | 2017-11-15 | 2017-11-15 | Paper-plastic stick plastic filler and preparation method thereof |
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Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104031302A (en) * | 2013-03-04 | 2014-09-10 | 中国科学院过程工程研究所 | Controllable oxidative-biological degradation plastic master batch and preparation method thereof |
CN104072953A (en) * | 2014-06-30 | 2014-10-01 | 浙江杭州鑫富药业股份有限公司 | Controlled degradation type full-biodegrade agricultural mulching film |
CN104987683A (en) * | 2015-07-30 | 2015-10-21 | 苏州荣昌复合材料有限公司 | Degradable modified plastic and preparation method of same |
CN105924740A (en) * | 2016-06-17 | 2016-09-07 | 铜陵方正塑业科技有限公司 | Moisture-resistant food bag and preparation method thereof |
CN106947179A (en) * | 2017-02-22 | 2017-07-14 | 阳光盛景(北京)生态科技股份有限公司 | A kind of degradative plastic film for filler of being degraded containing string |
CN107266819A (en) * | 2017-07-20 | 2017-10-20 | 芜湖乾凯材料科技有限公司 | High intensity antimicrobial preservative film and preparation method thereof |
CN107266820A (en) * | 2017-07-20 | 2017-10-20 | 芜湖乾凯材料科技有限公司 | A kind of high intensity food fresh keeping membrane and preparation method |
-
2017
- 2017-11-15 CN CN201711131468.4A patent/CN107793782A/en not_active Withdrawn
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104031302A (en) * | 2013-03-04 | 2014-09-10 | 中国科学院过程工程研究所 | Controllable oxidative-biological degradation plastic master batch and preparation method thereof |
CN104072953A (en) * | 2014-06-30 | 2014-10-01 | 浙江杭州鑫富药业股份有限公司 | Controlled degradation type full-biodegrade agricultural mulching film |
CN104987683A (en) * | 2015-07-30 | 2015-10-21 | 苏州荣昌复合材料有限公司 | Degradable modified plastic and preparation method of same |
CN105924740A (en) * | 2016-06-17 | 2016-09-07 | 铜陵方正塑业科技有限公司 | Moisture-resistant food bag and preparation method thereof |
CN106947179A (en) * | 2017-02-22 | 2017-07-14 | 阳光盛景(北京)生态科技股份有限公司 | A kind of degradative plastic film for filler of being degraded containing string |
CN107266819A (en) * | 2017-07-20 | 2017-10-20 | 芜湖乾凯材料科技有限公司 | High intensity antimicrobial preservative film and preparation method thereof |
CN107266820A (en) * | 2017-07-20 | 2017-10-20 | 芜湖乾凯材料科技有限公司 | A kind of high intensity food fresh keeping membrane and preparation method |
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