CN102464882B - Material for toilet lid and toilet seat and preparation method thereof - Google Patents
Material for toilet lid and toilet seat and preparation method thereof Download PDFInfo
- Publication number
- CN102464882B CN102464882B CN201010550484.9A CN201010550484A CN102464882B CN 102464882 B CN102464882 B CN 102464882B CN 201010550484 A CN201010550484 A CN 201010550484A CN 102464882 B CN102464882 B CN 102464882B
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- China
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- polymeric amide
- polyamide
- temperature
- flame retardant
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
- B29C48/397—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using a single screw
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
- B29C2948/92895—Barrel or housing
Abstract
The invention relates to a material for a toilet lid and a toilet seat and a preparation method thereof. The material consists of the following components in parts by weight: 30-75 parts of PA (polyamide), 5-20 parts of PP (polypropylene), 20-50 parts of flame retardant filler, 0.01-2 parts of antibacterial agent and 0.01-2 parts of other assistants. The preparation method comprises the following steps: firstly, placing the flame retardant filler and various assistants into a temperature-controllable high-speed stirrer, and stirring at high speed at the temperature of 90-110 DEG C for 2-10 minutes; then, adding PA and PP resin, and continuously stirring for 2-10 minutes; mixing the mixed components in a single-screw or twin-screw extruder at the temperature which is high enough to keep the selected PA in a molten state to obtain a polymerization product; and finally, extruding the obtained polymer in a stripped way, and then cutting the polymer into segments to form particles. Compared with the prior art, a product made of the material provided by the invention has the advantages of bright surface, scratch resistance, excellent flame retardance and good antibiotic property.
Description
Technical field
The invention belongs to polymeric material field, relate to a kind of material for toilet lid and packing ring and preparation method thereof.
Background technology
The world organizes in lavatory promoter Mr. Jack to think and along with history of human civilization development, goes to toilet " yardstick that lavatory is human civilization " and experienced from field to indoor, from squatting just to toilet seat.Toilet, as one of greatest invention of 19th century, once brought great convenience, especially women, pregnant woman, obesity, old weakling to people's life.But the very little microorganism that has our naked eyes to see on toilet lid and packing ring.According to relevant public health authoritative department investigation, find there is dysentery bacterium in 32% toilet lid and toilet seat.Pollute so serious place exactly with contact " intimately " of people's skin; therefore want emphasis to clean; often understand water and clean with hydrochloric clear lavatory liquid; and with wipings such as thimerosal and liquid detergents; also can use harder toilet brush or steel wire lump etc.; therefore require toilet lid and the gasket materials must water-fast, corrosion-resistant, scrape resistant, preferably there is antibiotic self-cleaning performance.And the development of the Intelligent toilet cover of controlling along with computer also requires toilet lid to have flame retardant properties.
The material of toilet lid and packing ring generally has plastics, urea-formaldehyde resin, wooden, bamboo matter and stone material etc., because rear three belongs to resource-type goods and materials, and is difficult to ensure and supports or too heavy, and that uses now is fewer and feweri.The advantage of urea-formaldehyde resin is that texture is good, and hardness is high, sturdy and durable, be difficult for to scratch, but urea-formaldehyde resin is thermosetting material, should not recycle, and meet strong acid, highly basic easily decomposes, electrical property and weathering resistance are poor.
Plastics toilet lid is conventional polypropylene PP (Polypropylene), acrylonitrile-butadiene-styrene copolymer ABS (Acrylonitrile Butadiene Styrene) and acrylic polymetylmethacrylate (PolymethylMethacrylate) etc. generally.Acrylic is can manufacture the good type material of sanitary ware after pottery.Acrylic has good toughness, cracky not, and the feature such as easy to clean and quality is soft, but acrylic board surface hardness is low, is easily scratched, and its winter hardiness is also poor, approximately 9.2 ℃ of embrittlement temperatures, and be easy to burning, have limited oxygen index only 17.3.ABS hardness is large, scrape resistant and not yielding, but easy to change, easy fracture, anti-aging poor, resistance to elevated temperatures is poor, corrosion-resistant.PP material is not easy to change, fracture, and resistance to elevated temperatures is good, and erosion resistance is strong, water-tolerant, but hardness is inadequate, and production difficulty is large.Although also there is at present scrape resistant PP, because scratch resistance liniment is easily separated out, the goods taste of getting is larger.
Summary of the invention
Object of the present invention is exactly that the resistant of high or low temperature of this material and electrical property are all very excellent for a kind of good flame resistance, scrape resistant, antibacterial toilet lid and material of packing ring and preparation method thereof are provided.
Principle of the present invention is in polymeric amide (PA), to add appropriate PP to form PA/PP alloy, and PP adds the easy water-absorbent of having improved PA, and gives material good toughness, and alloy itself has kept scratch resistance and electrical property that PA is outstanding.In this alloy, add flame retardant filler, can make material reach V-2 to the flame retardant properties of V-0 on the one hand, these fillers also can improve the scraping and wiping resistance performance of goods on the other hand.The interpolation of antiseptic-germicide can obviously improve the anti-microbial property of material, improves the automatically cleaning ability of toilet lid and packing ring.It is main raw material that the master metal of conventional inorganic fungicide will be take silver, zinc, copper etc., and the mineral filler of take is made as carrier.Cupric ion, with color, will affect the attractive in appearance of product, and zinc has certain germ resistance, but its antibacterial strength is only 1/1000 of silver ions, so this patent has been selected silver-series antibacterial agent.
Object of the present invention can be achieved through the following technical solutions:
For a material for toilet lid and packing ring, this material comprises following component and weight part:
Kymene 0～75,
Polypropylene 5-20,
Flame-proof filling material 20～50,
Antiseptic-germicide 0.01-2,
Other auxiliary agent 0.01-2.
Described polymeric amide is one or more in polyamide 6, polyamide 66, polyamide 610, polyamide 1010, polymeric amide 1111, polymeric amide 1212 and polymeric amide 1313.
The preferred PA6 of described polymeric amide or PA610.
Described polypropylene comprises homopolymerization and copolymerization type, and flow rate is 1～40g/10min.
Described polypropylene flow rate is preferably 10～30g/10min.
Described flame retardant filler comprises Mg (OH)
2, Al (OH)
3or both are with the mixture of arbitrary proportion.
Described antiseptic-germicide is inorganic nano carrying silver antimicrobials.
Other described auxiliary agent is selected from one or more in anti-nucleating agent, lubricant, oxygenant, thermo-stabilizer, UV stablizer, coupling agent, processing stabilizers, pigment, tinting material or softening agent.
The described material for toilet lid and circle pad preferably comprises following component and weight part:
Polymeric amide 40-67
Polypropylene 8-15
Flame-proof filling material 25～45
Antiseptic-germicide 0.05-1
Other auxiliary agent 0.02-1.
The weight part of described polymeric amide is preferably: 40-67.
Described polyacrylic weight part is preferably: 8-15.
The weight part of described flame-proof filling material is preferably: 25～45.
The weight part of described antiseptic-germicide is preferably: 0.05-1.
The weight part of other described auxiliary agent is preferably: 0.02-1.
Prepare an above-mentioned method for toilet lid and circle cushion material thereof, comprise step:
(1) first flame retardant filler and various auxiliary agent are placed in the homogenizer of temperature controllable to high-speed stirring 2～10min at 90～110 ℃;
(2) then add PA and PP resin, continue to stir 2～10min;
(3) then by component after mixing in single screw rod or twin screw extruder, be enough to make selected PA to remain at the temperature of melted state to mix, obtain polymerisate; The described temperature that is enough to make selected PA remain on melted state refers to above 5～40 ℃ of PA fusing point.The length-to-diameter ratio of described forcing machine is 18～25, and compression ratio is 2～4.
(4) obtained polymkeric substance is extruded with strip, then the section of being cut to, forms particle.
Beneficial effect of the present invention:
The present invention adds appropriate PP to form PA/PP alloy in polymeric amide (PA), and PP adds the easy water-absorbent of having improved PA, and gives material good toughness, and alloy itself has kept scratch resistance and electrical property that PA is outstanding.
In addition, in this alloy, add flame retardant filler, can make material reach V-2 to the flame retardant properties of V-0 on the one hand, these fillers also can improve the scraping and wiping resistance performance of goods on the other hand.
The interpolation of antiseptic-germicide can obviously improve the anti-microbial property of material, improves the automatically cleaning ability of toilet lid and packing ring.
Embodiment
Below in conjunction with specific embodiment, the present invention is further illustrated.These embodiment only, for explanation, and do not form any restriction to protection domain of the present invention.
In following examples,
PA6 represents: polyamide 6, and medium-viscosity, commercially available
PA610 represents: polyamide 610, and low sticky, commercially available
PP1 represents: the homopolymerization PP that flow rate is 3g/10min, and commercially available
PP2 represents: the copolymerization PP that flow rate is 15g/10min, and commercially available
Filler 1 represents: Mg (OH)
2
Filler 2 represents: Al (OH)
3
Filler 3 represents: Mg (OH)
2and Al (OH)
3mixture with 1: 2
Antiseptic-germicide 1:SHT-120, Haining City Haitai Fine Chemical Co., Ltd.Antiseptic-germicide 2:JDSP-01, Jin great nanometer company limited.
Other auxiliary agent: oxidation inhibitor 1098, irgasfos 168, Ciba.Lubricant A-C540A, Honeywell (Honeywell).(first flame retardant filler and various auxiliary agent are placed in the homogenizer of temperature controllable, high-speed stirring 2min at 100 ℃, then add PA and PP resin, continue to stir 3min, then by component after mixing in single screw rod or twin screw extruder, be enough to make selected PA to remain at the temperature of melted state to mix and obtain.Obtained polymkeric substance is extruded with strip, and then the section of being cut to, forms particle.
Embodiment 1-5
The pellet of preparing in embodiment 1-5 is injection molded into corresponding batten according to ISO testing standard, tests after then placing 24 hours under 23 ± 2 ℃, the environment of 50 ± 5% relative humidity.
According to ISO 22196:2007 canonical measure germ resistance;
According to the thick batten flame retardant resistance of UL94 vertical combustion canonical measure 1.6mm;
According to the resistance to pencil scraping of ISO 15184 canonical measure;
Visualization of color and outward appearance.Test result is as shown in the table:
The above-mentioned description to embodiment is can understand and apply the invention for ease of those skilled in the art.Person skilled in the art obviously can easily make various modifications to these embodiment, and General Principle described herein is applied in other embodiment and needn't passes through performing creative labour.Therefore, the invention is not restricted to the embodiment here, those skilled in the art are according to announcement of the present invention, and not departing from the improvement that category of the present invention makes and revise all should be within protection scope of the present invention.
Claims (7)
1. for a material for toilet lid and packing ring, it is characterized in that: this material comprises following component and weight part:
Wherein, described flame retardant filler comprises Mg (OH)
2, Al (OH)
3or both are with the mixture of arbitrary proportion;
Described antiseptic-germicide is inorganic nano carrying silver antimicrobials.
2. a kind of material according to claim 1, is characterized in that: described polymeric amide is one or more in polyamide 6, polyamide 66, polyamide 610, polyamide 1010, polymeric amide 1111, polymeric amide 1212 and polymeric amide 1313.
3. a kind of material according to claim 1, is characterized in that: described polymeric amide is PA6 or PA610.
4. a kind of material according to claim 1, is characterized in that: described polypropylene comprises homopolymerization and copolymerization type, and flow rate is 1～40g/10min.
5. a kind of material according to claim 1, is characterized in that: other described auxiliary agent is selected from one or more in anti-nucleating agent, lubricant, oxygenant, thermo-stabilizer, UV stablizer, coupling agent, processing stabilizers, tinting material or softening agent.
6. a kind of material according to claim 5, is characterized in that: described tinting material is pigment.
7. a method of preparing material described in claim 1, is characterized in that: comprise step:
(1) first flame retardant filler and various auxiliary agent are placed in the homogenizer of temperature controllable to high-speed stirring 2～10min at 90～110 ℃;
(2) then add PA and PP resin, continue to stir 2～10min;
(3) then will mix after component in single screw rod or twin screw extruder, at selected PA, remain at the temperature of melted state and mix, obtain polymerisate;
(4) obtained polymkeric substance is extruded with strip, then the section of being cut to, forms particle;
The described temperature that makes selected PA remain on melted state refers to above 5～40 ℃ of PA fusing point; The length-to-diameter ratio of described forcing machine is 18～25, and compression ratio is 2～4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010550484.9A CN102464882B (en) | 2010-11-18 | 2010-11-18 | Material for toilet lid and toilet seat and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010550484.9A CN102464882B (en) | 2010-11-18 | 2010-11-18 | Material for toilet lid and toilet seat and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102464882A CN102464882A (en) | 2012-05-23 |
| CN102464882B true CN102464882B (en) | 2014-04-09 |
Family
ID=46069027
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010550484.9A Active CN102464882B (en) | 2010-11-18 | 2010-11-18 | Material for toilet lid and toilet seat and preparation method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN102464882B (en) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102993736A (en) * | 2012-08-22 | 2013-03-27 | 常熟市筑紫机械有限公司 | Halogen-free flame-retardant nylon 610 and polypropylene alloy composite material |
| CN102993735A (en) * | 2012-08-22 | 2013-03-27 | 常熟市筑紫机械有限公司 | Preparation method of halogen-free flame-retardant nylon 610 and polypropylene alloy composite material |
| CN103205108A (en) * | 2013-04-16 | 2013-07-17 | 常熟市凯力达蜂窝包装材料有限公司 | Black glass fiber enhanced flame retardant polyamide composite |
| CN103205109A (en) * | 2013-04-16 | 2013-07-17 | 常熟市凯力达蜂窝包装材料有限公司 | Preparation method of black flame resistant polyamide composite material reinforced by glass fibers |
| CN103881375A (en) * | 2014-03-21 | 2014-06-25 | 滁州市永通交通设备有限公司 | Railway passenger carriage nylon hose |
| CN104098893A (en) * | 2014-07-03 | 2014-10-15 | 合肥杰事杰新材料股份有限公司 | Electricity-conducting and antibacterial polyamide 6/ polypropylene composite material and preparation method thereof |
| CN106381056A (en) * | 2016-08-30 | 2017-02-08 | 福建省邦尚环保科技有限公司 | Antibacterial stool cover and preparation method thereof |
| CN107312324A (en) * | 2017-06-19 | 2017-11-03 | 中传联合（北京）国际传媒有限公司 | High-ductility type anti-bacteria nylon |
| CN110157128A (en) * | 2018-03-14 | 2019-08-23 | 宁波市恩迪卫浴有限公司 | A kind of antibacterial closestool and preparation method thereof |
| CN110157129A (en) * | 2018-03-15 | 2019-08-23 | 宁波市恩迪卫浴有限公司 | A kind of deodorization closestool and preparation method thereof |
| CN109762325A (en) * | 2019-01-17 | 2019-05-17 | 湖北天运消音防振新材料有限公司 | A kind of vehicle internal decoration carpet antimicrobial nano material and preparation method thereof |
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|---|---|
| CN102464882A (en) | 2012-05-23 |
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