CN105419083A - Flame-retardant building formwork and manufacturing method thereof - Google Patents
Flame-retardant building formwork and manufacturing method thereof Download PDFInfo
- Publication number
- CN105419083A CN105419083A CN201510808721.XA CN201510808721A CN105419083A CN 105419083 A CN105419083 A CN 105419083A CN 201510808721 A CN201510808721 A CN 201510808721A CN 105419083 A CN105419083 A CN 105419083A
- Authority
- CN
- China
- Prior art keywords
- expanded graphite
- temperature
- parts
- polypropylene
- retardant building
- 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
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Classifications
-
- 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
- C08K7/00—Use of ingredients characterised by shape
- C08K7/02—Fibres or whiskers
- C08K7/04—Fibres or whiskers inorganic
- C08K7/14—Glass
-
- 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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/58—Measuring, controlling or regulating
-
- 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
- C08K7/00—Use of ingredients characterised by shape
- C08K7/22—Expanded, porous or hollow particles
- C08K7/24—Expanded, porous or hollow particles inorganic
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G9/00—Forming or shuttering elements for general use
- E04G9/10—Forming or shuttering elements for general use with additional peculiarities such as surface shaping, insulating or heating, permeability to water or air
-
- 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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/58—Measuring, controlling or regulating
- B29C2043/5808—Measuring, controlling or regulating pressure or compressing force
-
- 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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/58—Measuring, controlling or regulating
- B29C2043/5816—Measuring, controlling or regulating temperature
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention provides a flame-retardant building formwork and a manufacturing method thereof. The flame-retardant building formwork is manufactured with, by weight, 50-60 parts of polypropylene, 20-30 parts of glass fiber and 5-15 parts of expanded graphite. The manufacturing method comprises the steps that the high-temperature expanded graphite is selected; blanking is carried out according to the weight ratio of polypropylene to the glass fiber to the expanded graphite =(50-65):(20-30):(5-15), and equipment programs are set; threaded rod mixing is carried out at the temperature of 200 DEG C-250 DEG C; mould pressure forming is carried out, the mould pressure is 800 T-2000 T/m<2>, and the mould temperature is 20 DEG C-50 DEG C; the pressure is kept, and finally a mould is opened to take out the formwork.
Description
Technical field
The present invention is specifically related to a kind of fire-retardant building template and preparation method thereof.
Background technology
Because Flame Retardant is not good, cause glass fiber reinforced polypropylene composite material building template when construction site meets with naked light, naturally cannot extinguish naked light, burning can be kept, in order to head it off, the present invention have developed a kind of fire-retardant building template and preparation method thereof.
Summary of the invention
One of the technical problem to be solved in the present invention, is to provide a kind of fire-retardant building template.
The present invention is achieved in that a kind of fire-retardant building template, comprises each component of following weight part: polypropylene 50 ~ 65 parts, 20 ~ 30 parts, glass fibre and expanded graphite 5 ~ 15 parts;
Expanded starting temperature >=290 DEG C of described expanded graphite, and expansion multiple > 200 times.
The technical problem to be solved in the present invention two, is the making method providing a kind of fire-retardant building template.
The present invention is achieved in that a kind of making method of described fire-retardant building template, comprises the following steps:
(1) expanded starting temperature >=290 DEG C are selected, and the expanded graphite of expansion multiple > 200 times;
(2) be polypropylene according to weight ratio: glass fibre: blanking is carried out in expanded graphite=50 ~ 65:20 ~ 30:5 ~ 15, set device program;
(3) screw mixing, melting temperature is 200 DEG C ~ 250 DEG C, and melting temperature should lower than expanded graphite swelling temperature;
(4) compression molding, molding pressure is 800T-2000T/m
2, die temperature is 20 ~ 50 DEG C;
(5) according to dwell time/goods main wall thick=15s/mm carries out pressurize, goods are taken out in last die sinking.
The invention has the advantages that: a kind of loose porous vermiform material that the expanded graphite in fire-retardant building template at high temperature can expandedly obtain, isolated building template is lighted the oxygen in region rapidly, thus is extinguished by naked light, has flame retardant properties.
Embodiment
A kind of fire-retardant building template, comprises each component of following weight part: polypropylene 50 ~ 65 parts, 20 ~ 30 parts, glass fibre and expanded graphite 5 ~ 15 parts; Expanded starting temperature >=290 DEG C of described expanded graphite, and expansion multiple > 200 times.
The making method of described fire-retardant building template, comprises the following steps:
(1) expanded starting temperature >=290 DEG C are selected, and the expanded graphite of expansion multiple > 200 times;
(2) be polypropylene according to weight ratio: glass fibre: blanking is carried out in expanded graphite=50 ~ 65:20 ~ 30:5 ~ 15, set device program;
(3) screw mixing, melting temperature is 200 DEG C ~ 250 DEG C, and melting temperature should lower than expanded graphite swelling temperature;
(4) compression molding, molding pressure is 800T-2000T/m
2, die temperature is 20 ~ 50 DEG C;
(5) according to dwell time/goods main wall thick=15s/mm carries out pressurize, goods are taken out in last die sinking.
Embodiment 1
A. starting material:
1. expanded graphite: tsingtauite sea graphite company limited EG-X200, purity 95-99%, order number 80 order, expansion multiple >230;
2. polypropylene: Borouge chemical industry HJ060UB;
3. glass fibre: OWENS CORNING SE4121;
B. parameters of technique process: according to polypropylene: glass fibre: expanded graphite=65:30:5 carries out blanking, screw rod processing temperature 220 DEG C, molding pressure 1500T/m
2, die temperature 30 DEG C, dwell time 60s, produces.
Common building template is according to polypropylene: glass fibre=70:30 carries out blanking, screw rod processing temperature 220 DEG C, molding pressure 1500T/m
2, die temperature 30 DEG C, dwell time 60s, produces.
Embodiment 2
This part difference from Example 1 is:
B. parameters of technique process: according to polypropylene: glass fibre: expanded graphite=60:25:10 carries out blanking, screw rod processing temperature 250 DEG C, molding pressure 2000T/m
2, die temperature 50 DEG C, dwell time 120s.
Embodiment 3
This part difference from Example 1 is:
B. parameters of technique process: according to polypropylene: glass fibre: expanded graphite=50:20:15 carries out blanking, screw rod processing temperature 200 DEG C, molding pressure 1700T/m
2, die temperature 20 DEG C, dwell time 90s.
Performance between the fire-retardant building template (namely adding 5% expanded graphite) that checking embodiment 1 is obtained and common building template:
The naked light combustion time of the contrast fire-retardant template of expanded graphite and normal template
As can be known from the above table, add the fire-retardant building template of 5% expanded graphite, instillation molten iron combustion time and burning area obviously decline, and flame retardant effect is obvious.
After fielding welding molten iron is lighted, a kind of loose porous vermiform material that expanded graphite high temperature puffing obtains, isolated building template is lighted the oxygen in region rapidly, is extinguished by naked light; By directly adding a certain proportion of expanded graphite in the feed bin of LFT-D product line, technique is simple, can not increase extra artificial and equipment cost.
Claims (2)
1. a fire-retardant building template, is characterized in that: each component comprising following weight part: polypropylene 50 ~ 65 parts, 20 ~ 30 parts, glass fibre and expanded graphite 5 ~ 15 parts;
Expanded starting temperature >=290 DEG C of described expanded graphite, and expansion multiple > 200 times.
2. a making method for fire-retardant building template as claimed in claim 1, is characterized in that: comprise the following steps:
(1) expanded starting temperature >=290 DEG C are selected, and the expanded graphite of expansion multiple > 200 times;
(2) be polypropylene according to weight ratio: glass fibre: blanking is carried out in expanded graphite=50 ~ 65:20 ~ 30:5 ~ 15, set device program;
(3) screw mixing, melting temperature is 200 DEG C ~ 250 DEG C, and melting temperature should lower than expanded graphite swelling temperature;
(4) compression molding, molding pressure is 800T-2000T/m
2, die temperature is 20 ~ 50 DEG C;
(5) according to dwell time/goods main wall thick=15s/mm carries out pressurize, goods are taken out in last die sinking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510808721.XA CN105419083A (en) | 2015-11-20 | 2015-11-20 | Flame-retardant building formwork and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510808721.XA CN105419083A (en) | 2015-11-20 | 2015-11-20 | Flame-retardant building formwork and manufacturing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105419083A true CN105419083A (en) | 2016-03-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510808721.XA Pending CN105419083A (en) | 2015-11-20 | 2015-11-20 | Flame-retardant building formwork and manufacturing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105419083A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103835494A (en) * | 2012-11-20 | 2014-06-04 | 九鼎环保纸业股份有限公司 | Nano-calcium highly-filled polypropylene anti-aging building formwork and technology thereof |
| CN103991222A (en) * | 2014-05-27 | 2014-08-20 | 福建海源新材料科技有限公司 | LFT-D (Long Fiber Reinforced Thermoplastic Direct) forming process of composite building template |
| CN104059293A (en) * | 2014-06-25 | 2014-09-24 | 福建海源新材料科技有限公司 | LFT-D (Long-Fiber Reinforce Thermoplastic Direct) forming method of building template filled with calcium carbonate |
-
2015
- 2015-11-20 CN CN201510808721.XA patent/CN105419083A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103835494A (en) * | 2012-11-20 | 2014-06-04 | 九鼎环保纸业股份有限公司 | Nano-calcium highly-filled polypropylene anti-aging building formwork and technology thereof |
| CN103991222A (en) * | 2014-05-27 | 2014-08-20 | 福建海源新材料科技有限公司 | LFT-D (Long Fiber Reinforced Thermoplastic Direct) forming process of composite building template |
| CN104059293A (en) * | 2014-06-25 | 2014-09-24 | 福建海源新材料科技有限公司 | LFT-D (Long-Fiber Reinforce Thermoplastic Direct) forming method of building template filled with calcium carbonate |
Non-Patent Citations (3)
| Title |
|---|
| 何敏等: "EG/IFR阻燃LGFPP的协同作用研究", 《塑料工业》 * |
| 罗兴等: "EG/IFR对长玻璃纤维增强PP的协同阻燃作用", 《塑料科技》 * |
| 边炳鑫: "《石墨加工与石墨材料》", 31 May 2014, 中国矿业大学出版社 * |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160323 |
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