CN111117177A - Biodegradable urinal incense box funnel and preparation method thereof - Google Patents
Biodegradable urinal incense box funnel and preparation method thereof Download PDFInfo
- Publication number
- CN111117177A CN111117177A CN201911382027.0A CN201911382027A CN111117177A CN 111117177 A CN111117177 A CN 111117177A CN 201911382027 A CN201911382027 A CN 201911382027A CN 111117177 A CN111117177 A CN 111117177A
- Authority
- CN
- China
- Prior art keywords
- biodegradable
- urinal
- funnel
- parts
- degradable
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
- C08L67/04—Polyesters derived from hydroxycarboxylic acids, e.g. lactones
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L69/00—Compositions of polycarbonates; Compositions of derivatives of polycarbonates
-
- 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
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
-
- 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
-
- 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
-
- 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
-
- 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
Landscapes
- 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)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The invention provides a biodegradable urinal incense box funnel on one hand, which comprises the following components in parts by weight: the composite material comprises, by weight, 20-70 parts of degradable resin PLA, 0-40 parts of degradable tough resin, 0-50 parts of papermaking waste, 0-50 parts of inorganic filler and 2-15 parts of auxiliary agent. The invention also provides a preparation method of the biodegradable urinal incense box funnel. According to the biodegradable urinal incense box funnel prepared by adding the degradable flexible resin, the papermaking waste and the inorganic filler into the degradable resin PLA, on the basis of keeping the degradable property, the toughness of the material is improved, the material cost is greatly reduced, and the popularization and the use of the degradable material are facilitated. In addition, the preparation method provided by the invention is simple to operate, effectively utilizes papermaking waste, improves the resource utilization rate, has low cost and is suitable for large-scale popularization.
Description
Technical Field
The invention relates to the field of degradable composite materials, in particular to a biodegradable urinal perfume box funnel and a preparation method thereof.
Background
Plastics have great contribution to the progress of society and science and technology, and some problems are gradually highlighted along with the increase of the demand of society for plastics. Most of urinal funnels used in the market are polyolefin resins such as ABS (acrylonitrile-butadiene-styrene terpolymer), PE, PP, etc., and most of such resins are synthesized from non-renewable fossil energy, and these non-renewable resources are being exhausted day by day. In order to reduce the dependence of human on fossil energy, the development of renewable polymer materials is required; after being used, the composite material is finally treated in a landfill mode, so that the problem of white pollution is more and more serious, and the development of renewable and degradable materials is particularly important.
The development of degradable materials is late, the industrialization process is slow, the synthesis and processing cost is high, and the commercial application of the degradable materials is limited. Therefore, a degradable material with low cost is needed to be applied to the preparation of the urinal funnel.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a biodegradable urinal perfume box funnel and a preparation method thereof.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention provides a biodegradable urinal perfume box funnel, which comprises the following components in parts by weight:
further, the degradable tough resin is one or more of PBAT (poly (butylene terephthalate)/adipate), PPC (poly (propylene carbonate)), PCL (polycaprolactone) and PBS (poly (butylene succinate)).
Further, the papermaking waste is one or more of rotten pulp, pulp residue, wood bark, pulping waste liquid extract and siliceous white mud.
Further, the inorganic filler is one or more of calcium carbonate, silicon dioxide, kaolin and talcum powder.
Further, the auxiliary agent comprises the following components in parts by weight: 1-10 parts of plasticizer, 0.2-3 parts of cross-linking agent and 0.5-5 parts of lubricant.
Further, the plasticizer is one or more of glycerol, tributyl citrate, acetyl tributyl citrate, epoxidized soybean oil, and DOP (dioctyl phthalate).
Further, the crosslinking agent is one or more of DCP (dicumyl peroxide), BPO (benzoyl peroxide) and BIPB (di-tert-butylperoxy dicumyl peroxide).
Further, the lubricant is one or more of stearic acid, EBS (ethylene bis stearamide) and polyethylene wax.
The second aspect of the present invention provides a method for preparing the biodegradable urinal perfume box funnel, comprising the following steps:
placing degradable resin PLA, degradable tough resin, papermaking waste, inorganic filler and auxiliary agent in a high-speed mixer according to specified parts, and mixing for 5-60min at the rotating speed of 50-600rpm to obtain a primary mixed material;
step two, adding the primary mixed material obtained in the step one into a double-screw extruder bin, and extruding and granulating to obtain master batches;
and step three, placing the master batches obtained in the step two into a storage bin of an injection molding machine, and preparing the biodegradable urinal incense box funnel through injection molding.
Further, the temperature of each temperature region of the twin-screw extruder in the step two is 130-.
Further, the injection temperature in the third step is 170-190 ℃, the injection pressure is 40-70bar, the holding pressure is 50-60bar, and the cooling time is 20-40 s.
By adopting the technical scheme, compared with the prior art, the invention has the following technical effects:
according to the invention, the degradable tough resin, the papermaking waste and the inorganic filler are added into the degradable resin PLA, so that the toughness of the material is improved on the basis of keeping the degradable property, the material cost is greatly reduced, and the popularization and the use of the degradable material are facilitated. In addition, the preparation method provided by the invention is simple to operate, effectively utilizes papermaking waste, is low in cost and is suitable for large-scale popularization.
Detailed Description
The present invention provides a biodegradable urinal cartridge funnel and a method for preparing the same, which will be described in detail and specifically by way of specific examples to better understand the present invention, but the following examples do not limit the scope of the present invention.
Example 1
The embodiment provides a preferred biodegradable urinal perfume cartridge funnel, and this biodegradable urinal perfume cartridge funnel includes the following weight parts's components:
the preparation method of the biodegradable urinal perfume box funnel provided by the embodiment comprises the following steps:
step one, drying, crushing and sieving the pulping waste liquid extract to obtain 200-mesh papermaking waste powder.
And step two, placing the degradable resins PLA, PBAT, papermaking waste powder, calcium carbonate, glycerol, EBS and DCP in a high-speed mixer, and mixing for 30min at room temperature and at the rotating speed of 200rpm to obtain a primary mixed material.
And step three, placing the primary mixture into a double-screw extruder for extrusion granulation, wherein the temperatures of a first zone to a sixth zone of the double-screw extruder are respectively 140 ℃, 150 ℃, 180 ℃, 190 ℃ and 190 ℃, the head temperature is 190 ℃, and the screw rotating speed is 300rpm, so as to prepare the biodegradable master batch.
And step four, placing the master batch obtained in the step three into a storage bin of an injection molding machine, wherein the injection molding temperature is 190 ℃, the injection pressure is 55bar, the pressure maintaining pressure is 60bar, and the cooling time is 25s, and obtaining the biodegradable urinal perfume box funnel through injection molding.
Example 2
The embodiment provides a preferred biodegradable urinal perfume cartridge funnel, and this biodegradable urinal perfume cartridge funnel includes the following weight parts's components:
the preparation method of the biodegradable urinal perfume box funnel provided by the embodiment comprises the following steps:
step one, drying, crushing and sieving the pulping waste liquid extract to obtain 200-mesh papermaking waste powder.
And step two, placing the degradable resins PLA, PBAT, papermaking waste powder, calcium carbonate, glycerol, EBS and DCP in a high-speed mixer, and mixing for 30min at room temperature and at the rotating speed of 200rpm to obtain a primary mixed material.
And step three, placing the primary mixture into a double-screw extruder for extrusion granulation, wherein the temperatures of a first zone to a sixth zone of the double-screw extruder are respectively 140 ℃, 150 ℃, 180 ℃, 190 ℃ and 190 ℃, the head temperature is 190 ℃, and the screw rotating speed is 300rpm, so as to prepare the biodegradable master batch.
And step four, placing the master batch obtained in the step three into a storage bin of an injection molding machine, wherein the injection molding temperature is 190 ℃, the injection pressure is 55bar, the pressure maintaining pressure is 60bar, and the cooling time is 25s, and obtaining the biodegradable urinal perfume box funnel through injection molding.
Example 3
The embodiment provides a preferred biodegradable urinal perfume cartridge funnel, and this biodegradable urinal perfume cartridge funnel includes the following weight parts's components:
the preparation method of the biodegradable urinal perfume box funnel provided by the embodiment comprises the following steps:
step one, drying, crushing and sieving papermaking waste (silicon-containing white mud) to obtain 200-mesh papermaking waste powder.
And step two, placing the degradable resin PLA, the PPC, the papermaking waste powder, the silicon dioxide, the glycerol, the polyethylene wax and the BIPB into a high-speed mixer, and mixing for 30min at room temperature and at the rotating speed of 200rpm to obtain a primary mixed material.
And step three, placing the primary mixture into a double-screw extruder for extrusion granulation, wherein the temperatures of a first zone to a sixth zone of the double-screw extruder are respectively 140 ℃, 150 ℃, 180 ℃, 190 ℃ and 190 ℃, the head temperature is 190 ℃, and the screw rotating speed is 300rpm, so as to prepare the biodegradable master batch.
And step four, placing the master batch obtained in the step three into a storage bin of an injection molding machine, wherein the injection molding temperature is 190 ℃, the injection pressure is 55bar, the pressure maintaining pressure is 60bar, and the cooling time is 25s, and obtaining the biodegradable urinal perfume box funnel through injection molding.
Example 4
The embodiment provides a preferred biodegradable urinal perfume cartridge funnel, and this biodegradable urinal perfume cartridge funnel includes the following weight parts's components:
the preparation method of the biodegradable urinal perfume box funnel provided by the embodiment comprises the following steps:
step one, drying, crushing and sieving papermaking waste (silicon-containing white mud) to obtain 200-mesh papermaking waste powder.
And step two, placing the degradable resins PLA, PPC, papermaking waste powder, silicon dioxide, tributyl citrate, polyethylene wax and BIPB into a high-speed mixer, and mixing for 30min at room temperature and at the rotating speed of 200rpm to obtain a primary mixed material.
And step three, placing the primary mixture into a double-screw extruder for extrusion granulation, wherein the temperatures of a first zone to a sixth zone of the double-screw extruder are respectively 140 ℃, 150 ℃, 180 ℃, 190 ℃ and 190 ℃, the head temperature is 190 ℃, and the screw rotating speed is 300rpm, so as to prepare the biodegradable master batch.
And step four, placing the master batch obtained in the step three into a storage bin of an injection molding machine, wherein the injection molding temperature is 190 ℃, the injection pressure is 55bar, the pressure maintaining pressure is 60bar, and the cooling time is 25s, and obtaining the biodegradable urinal perfume box funnel through injection molding.
Example 5
The embodiment provides a preferred biodegradable urinal perfume cartridge funnel, and this biodegradable urinal perfume cartridge funnel includes the following weight parts's components:
the preparation method of the biodegradable urinal perfume box funnel provided by the embodiment comprises the following steps:
step one, drying, crushing and sieving the pulping waste liquid extract to obtain 200-mesh papermaking waste powder.
And step two, placing the degradable resins PLA, PBAT, PPC, papermaking waste powder, calcium carbonate, tributyl citrate, EBS and BIPB into a high-speed mixer, and mixing for 30min at room temperature and 200rpm to obtain a primary mixed material.
And step three, placing the primary mixture into a double-screw extruder for extrusion granulation, wherein the temperatures of a first zone to a sixth zone of the double-screw extruder are respectively 140 ℃, 150 ℃, 180 ℃, 190 ℃ and 190 ℃, the head temperature is 190 ℃, and the screw rotating speed is 300rpm, so as to prepare the biodegradable master batch.
And step four, placing the master batch obtained in the step three into a storage bin of an injection molding machine, wherein the injection molding temperature is 190 ℃, the injection pressure is 55bar, the pressure maintaining pressure is 60bar, and the cooling time is 25s, and obtaining the biodegradable urinal perfume box funnel through injection molding.
Example 6
The embodiment provides a preferred biodegradable urinal perfume cartridge funnel, and this biodegradable urinal perfume cartridge funnel includes the following weight parts's components:
the preparation method of the biodegradable urinal perfume box funnel provided by the embodiment comprises the following steps:
step one, drying, crushing and sieving the pulping waste liquid extract to obtain 200-mesh papermaking waste powder.
And step two, placing the degradable resins PLA, PBAT, PPC, papermaking waste powder, calcium carbonate, tributyl citrate, EBS and BIPB into a high-speed mixer, and mixing for 30min at room temperature and 200rpm to obtain a primary mixed material.
And step three, placing the primary mixture into a double-screw extruder for extrusion granulation, wherein the temperatures of a first zone to a sixth zone of the double-screw extruder are respectively 140 ℃, 150 ℃, 180 ℃, 190 ℃ and 190 ℃, the head temperature is 190 ℃, and the screw rotating speed is 300rpm, so as to prepare the biodegradable master batch.
And step four, placing the master batch obtained in the step three into a storage bin of an injection molding machine, wherein the injection molding temperature is 190 ℃, the injection pressure is 55bar, the pressure maintaining pressure is 60bar, and the cooling time is 25s, and obtaining the biodegradable urinal perfume box funnel through injection molding.
Comparative example 1
This comparative example provides a traditional urinal fragrant box funnel, includes the component of following part by weight:
the preparation method of the traditional urinal incense box funnel comprises the following steps:
(1) placing ABS, calcium carbonate, glycerol and EBS in parts by weight into a high-speed mixer, and mixing for 30min at room temperature and the rotation speed of 200rpm to obtain a primary mixed material;
(2) and (3) placing the primary mixture in a double-screw extruder for extrusion granulation, wherein the temperatures of the first zone to the sixth zone are 140 ℃, 150 ℃, 160 ℃, 180 ℃, the head temperature is 180 ℃, and the screw rotation speed is 300rpm respectively, so as to prepare the composite master batch.
(3) And (3) placing the composite master batch into a storage bin of an injection molding machine, wherein the injection molding temperature is 180 ℃, the injection pressure is 55bar, the pressure maintaining pressure is 60bar, and the cooling time is 25s, and preparing the urinal perfume box funnel by injection molding.
Comparative example 2
This comparative example provides a traditional urinal fragrant box funnel, includes the component of following part by weight:
the preparation method of the traditional urinal incense box funnel comprises the following steps:
(1) placing ABS, calcium carbonate, glycerol and EBS in parts by weight into a high-speed mixer, and mixing for 30min at room temperature and the rotation speed of 200rpm to obtain a primary mixed material;
(2) and (3) placing the primary mixture in a double-screw extruder for extrusion granulation, wherein the temperatures of the first zone to the sixth zone are 140 ℃, 150 ℃, 160 ℃, 180 ℃, the head temperature is 180 ℃, and the screw rotation speed is 300rpm respectively, so as to prepare the composite master batch.
(3) And (3) placing the composite master batch into a storage bin of an injection molding machine, wherein the injection molding temperature is 180 ℃, the injection pressure is 55bar, the pressure maintaining pressure is 60bar, and the cooling time is 25s, and preparing the urinal perfume box funnel by injection molding.
Verification examples
The above examples 1-6 and comparative examples 1-2 were subjected to performance tests in accordance with GB/T9341-2008/ISO 178:2001, determination of bending Properties of plastics, and GB/T1043.1-2008/ISO 179-1:2000, determination of impact Properties of Plastic simple beams, the specific test data being shown in Table 1.
Table 1 results of performance testing
From the results, the impact strength of the material is greatly improved after a proper amount of the degradable and tough resin is added, which shows that the impact toughness of the material is improved; after the formula of each embodiment is improved, the bending strength and the bending modulus of the material also reach higher levels, which shows that the rigidity of the material is higher; all the mechanical property indexes show that the material can meet the use requirements.
The embodiments of the present invention have been described in detail, but the embodiments are merely examples, and the present invention is not limited to the embodiments described above. Any equivalent modifications and substitutions to those skilled in the art are also within the scope of the present invention. Accordingly, equivalent changes and modifications made without departing from the spirit and scope of the present invention should be covered by the present invention.
Claims (10)
1. The biodegradable urinal incense box funnel is characterized by comprising the following components in parts by weight:
2. the biodegradable urinal caddy funnel of claim 1, wherein the degradable tough resin is one or more of polybutylene terephthalate/adipate, polypropylene carbonate, polycaprolactone, and polybutylene succinate.
3. The biodegradable urinal bowl funnel according to claim 1, wherein the paper-making waste is one or more of a slime, a pulp residue, a wood bark, a pulp waste liquid extract, and silicon-containing white mud.
4. The biodegradable urinal bowl funnel according to claim 1, wherein the inorganic filler is one or more of calcium carbonate, silica, kaolin, and talc.
5. The biodegradable urinal caddy funnel of claim 1, wherein said auxiliary agents comprise, in parts by weight: 1-10 parts of plasticizer, 0.2-3 parts of cross-linking agent and 0.5-5 parts of lubricant.
6. The biodegradable urinal cone funnel of claim 5, wherein the plasticizer is one or more of glycerol, tributyl citrate, acetyl tributyl citrate, epoxidized soybean oil, dioctyl phthalate; the cross-linking agent is one or more of dicumyl peroxide, benzoyl peroxide and di-tert-butyl dicumyl peroxide; the lubricant is one or more of stearic acid, ethylene bis stearamide and polyethylene wax.
7. A method of making a biodegradable urinal bowl funnel according to any one of claims 1 to 6, comprising the steps of:
step one, putting the degradable resin PLA, the degradable tough resin, the papermaking waste, the inorganic filler and the auxiliary agent in a high-speed mixer according to the specified parts, and uniformly mixing to obtain a primary mixed material;
secondly, adding the primary mixed material obtained in the first step into a double-screw extruder bin, and extruding and granulating to obtain master batches;
and step three, placing the master batch obtained in the step two into a storage bin of an injection molding machine, and preparing the biodegradable urinal incense box funnel through injection molding.
8. The method of claim 7, wherein the high speed mixer in step one is operated at 50-600rpm for 5-60 min.
9. The method as claimed in claim 7, wherein the temperature of each temperature zone of the twin-screw extruder in the step two is 190 ℃ at 160 ℃ and the head temperature is 190 ℃ at 100 rpm and 300 rpm.
10. The method for preparing the biodegradable urinal perfume box funnel according to the claim 7, wherein the process conditions of the injection molding in the step three are as follows: the injection temperature is 170-190 ℃, the injection pressure is 40-70bar, the pressure maintaining pressure is 50-60bar, and the cooling time is 20-40 s.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911382027.0A CN111117177A (en) | 2019-12-27 | 2019-12-27 | Biodegradable urinal incense box funnel and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911382027.0A CN111117177A (en) | 2019-12-27 | 2019-12-27 | Biodegradable urinal incense box funnel and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111117177A true CN111117177A (en) | 2020-05-08 |
Family
ID=70505002
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911382027.0A Pending CN111117177A (en) | 2019-12-27 | 2019-12-27 | Biodegradable urinal incense box funnel and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111117177A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105802145A (en) * | 2016-03-30 | 2016-07-27 | 亿帆鑫富药业股份有限公司 | Biodegradable thermoplastic elastomer and production method thereof |
| CN109694556A (en) * | 2018-12-20 | 2019-04-30 | 上海昶法新材料有限公司 | A kind of biodegradable master batch for agricultural film of weeding and preparation method thereof |
| CN110396283A (en) * | 2019-07-12 | 2019-11-01 | 上海昶法新材料有限公司 | A kind of biodegradable articles and preparation method thereof |
-
2019
- 2019-12-27 CN CN201911382027.0A patent/CN111117177A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105802145A (en) * | 2016-03-30 | 2016-07-27 | 亿帆鑫富药业股份有限公司 | Biodegradable thermoplastic elastomer and production method thereof |
| CN109694556A (en) * | 2018-12-20 | 2019-04-30 | 上海昶法新材料有限公司 | A kind of biodegradable master batch for agricultural film of weeding and preparation method thereof |
| CN110396283A (en) * | 2019-07-12 | 2019-11-01 | 上海昶法新材料有限公司 | A kind of biodegradable articles and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109824972A (en) | Bottom material and preparation method thereof in a kind of environment-friendly foaming | |
| CN110294923B (en) | Micro-foaming full-biodegradable polymer sheet and preparation method thereof | |
| EP3436526A1 (en) | Cellulosic composites comprising wood pulp | |
| JP2014162923A (en) | Composition for biomass film, biomass film, and method of producing biomass film | |
| BR112015019216B1 (en) | microstructured composite material; method for the production of a microstructured composite material; molded, granulated or main mix article; and use of a microstructured composite material | |
| JP7106549B2 (en) | Melt processed material with high cellulose fiber content | |
| CN112300541A (en) | Coffee-residue-modified biodegradable composite material and preparation method and application thereof | |
| CN108948698A (en) | A kind of novel extrusion molding expanded polylactic acid sheet production technology | |
| CN111100368A (en) | Papermaking waste modified plastic film express bag and preparation method thereof | |
| CN113248875A (en) | Fully-degradable shopping bag film and preparation method thereof | |
| CN111073228A (en) | Biodegradable garbage bag and preparation method thereof | |
| US20020016388A1 (en) | Wood-filled thermoplastic resin composition and a process for producing the same | |
| CN111087673A (en) | Modified plastic film express bag and preparation method thereof | |
| CN111117177A (en) | Biodegradable urinal incense box funnel and preparation method thereof | |
| KR101755892B1 (en) | Method for manufacturing bioplastic composite using wood flour and bioplastic composite produced by using the same | |
| CN105531320B (en) | Include the resin combination of polymerized thylene carbonate hydrocarbon ester | |
| CN111087775A (en) | Biodegradable composite material, preparation method and biodegradable container bottom plate | |
| EP0135027B1 (en) | Polymer composition | |
| Su et al. | Characterization of cross-linked alkaline lignin/poly (vinyl alcohol) film with a formaldehyde cross-linker | |
| CN111073229A (en) | Biodegradable master batch containing modified papermaking waste and preparation method thereof | |
| CN101898399B (en) | Technology for preparing composite package cushioning material from rice straw fibers | |
| CN108203518A (en) | A kind of preparation method of lignin enhancing PVA expanded materials | |
| WO2014186902A1 (en) | Thermoformable polylactic acid | |
| KR101467255B1 (en) | Bio Plastic Products Using Trimmed Branch of Roadside Trees Forming Method and Bio Plastic Products By Same The Methods | |
| JP4534395B2 (en) | Method for producing material recycled from cross-linked polymer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200508 |