CN102501474B - Short glass fiber PP stone paper and preparation method thereof - Google Patents
Short glass fiber PP stone paper and preparation method thereof Download PDFInfo
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- CN102501474B CN102501474B CN201110320559.9A CN201110320559A CN102501474B CN 102501474 B CN102501474 B CN 102501474B CN 201110320559 A CN201110320559 A CN 201110320559A CN 102501474 B CN102501474 B CN 102501474B
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Abstract
The invention discloses short glass fiber PP (polypropylene) stone paper, which comprises upper and lower surface layers and an intermediate layer, wherein the master batches of the upper and lower layers are composed of 40-60wt% of CaCO3, 37-55wt% of PP homopolymer and the balance of processing auxiliary agent; the master batch of the intermediate layer is composed of 25-30wt% of short glass fiber, 35-50% of PP (homopolymer), 20-30% of hollow glass microbeads and the balance of processing auxiliary agent; and the master batch of the intermediate layer accounts for 70-90% of the total master batch mass, and the master batch of each of the upper and lower surface layers accounts for 5-15% of the total master batch mass. The invention also discloses a preparation method of the short glass fiber PP stone paper. The preparation method comprises the steps of: preparing master batches of the upper and lower layers as well as the intermediate layer, carrying out extrusion forming on the master batches of each layer, and calendering to obtain the finished product. The stone paper is low in specific gravity, good in physical properties and superior in comprehensive performances, and can satisfy the use requirements of every field.
Description
Technical field
The present invention relates to synthetic paper technical field, concrete a kind of short glass fiber PP stone paper and preparation method thereof.
Background technology
Stone paper is also Shi Kezhi, is primary raw material exactly with the stone of claying into power, and adds that the adhesive of 15% polyethylene and 5% is made.In whole production process without water, do not need to add strong acid, highly basic, the numerous organic chlorides of bleaching powder, save several important pollution sections such as boiling, washing, bleaching than traditional paper technology, fundamentally stopped the pollution problem causing because producing " three wastes " in paper-making process.This paper waterproof is firm nonflammable, and the papermaking that importantly need not chop at a tree can not produce again pollutant, and very environmental protection is subject to people and payes attention to.
But present stone paper, than conventional paper weight, is restricted its application.Causing the heavy reason of stone paper main is stone paper taking artificial resin and Paris white as primary raw material, and the proportion of Paris white is larger, and it generally accounts for 75% left and right, causes stone paper proportion to increase.On the other hand, the physical property such as the tear-resistant and deflection of the folding of existing stone paper, rigidity is poor, has also limited applying of stone paper.
Summary of the invention
The object of the present invention is to provide the short glass fiber PP stone paper that a kind of proportion is little, its proportion is little, folding is tear-resistant and the physical property such as deflection, rigidity is better, and combination property is superior, can be widely used in the fields such as food, printing, packaging.
For achieving the above object, the present invention adopts following technical scheme:
A kind of short glass fiber PP stone paper, is characterized in that: comprise upper epidermis, He Xia top layer, intermediate layer, the masterbatch formula of each layer is as follows:
The masterbatch formula on A, upper and lower top layer, by mass percentage:
CaCO
3 40～60%
PP homopolymers 37～55%
Titanate coupling agent 0.5～1%
The cured dispersant 0.5～1% of polypropylene
Fire retardant 0.5～1%
Compatilizer 0.5～1%
Slipping agent 0.5～1%;
The masterbatch formula in B, intermediate layer, by mass percentage:
Short glass fiber 25～30%
PP homopolymers 35～50%
Hollow glass micropearl 20～30%;
Esters of silicon acis coupling agent 0.5～1%
The cured dispersant 0.5～1% of polypropylene
Fire retardant 0.5～1%
Compatilizer 0.5～1%
Slipping agent 0.5～1%
The quality of the masterbatch in above-mentioned intermediate layer is 70～90% of total masterbatch quality, and the quality of the masterbatch on upper and lower top layer is 5～15% of total masterbatch quality.
Intermediate layer is the supporting layer of stone paper, its quality accounts for 70～90% of short glass fiber PP stone paper, and the masterbatch in intermediate layer is mainly short glass fiber, PP homopolymers, hollow glass micropearl, its proportion is much smaller than calcium carbonate, make the proportion of short glass fiber PP stone paper little, for the extensive use of expanding stone paper provides the foundation.Because greatly reduce the proportion of stone paper in the use of short glass fiber and hollow glass micropearl, proportion is low, the resin demand of pressing in the stone paper that proportion calculates also just reduces, strengthen the mobile performance effect of the increase melt of the pulling function of short glass fiber in melt and hollow glass micropearl, further strengthen the rheological property of fluid, made masterbatch there is good processing characteristics.And, short glass fiber energy RPP draw the mechanical properties such as gentry's intensity, bending strength, impact strength, thereby strengthen stone paper physical properties.
Preferably, the composition of the masterbatch on upper and lower top layer and mass percent are: CaCO
3: 50%; PP homopolymers: 47.2%; Titanate coupling agent: 0.8%; The cured dispersant of polypropylene: 0.5%; Fire retardant: 0.5%; Compatilizer: 0.5%; Slipping agent: 0.5%.
Preferably, the composition of the masterbatch in intermediate layer and mass percent are: short glass fiber: 25%; PP homopolymers: 47.2%; Hollow glass micropearl: 25%; Esters of silicon acis coupling agent: 0.8%; The cured dispersant of polypropylene: 0.5%; Fire retardant: 0.5%; Compatilizer: 0.5%; Slipping agent: 0.5%.
Preferably, the quality of the masterbatch in intermediate layer is 80% of total masterbatch quality, and the quality of the masterbatch on upper and lower top layer is 10% of total masterbatch quality.
Preferably, the gross thickness in upper and lower top layer and intermediate layer is 0.3～1mm.
Another object of the present invention is to provide the preparation method of above-mentioned short glass fiber PP stone paper, comprises the following steps:
The preparation of A, upper and lower top layer masterbatch: by CaCO
3evenly mix with PP homopolymers, then add titanate coupling agent, the cured dispersant of polypropylene, fire retardant, compatilizer, slipping agent evenly to mix, then kneading, granulation, make the masterbatch on upper and lower top layer;
The preparation of B, intermediate layer masterbatch: short glass fiber, hollow glass micropearl and PP homopolymers are evenly mixed, add again esters of silicon acis coupling agent, the cured dispersant of polypropylene, fire retardant, compatilizer, slipping agent evenly to mix, then kneading, granulation, make the masterbatch in intermediate layer;
C, upper and lower layer masterbatch and intermediate layer masterbatch are dropped into extrusion modling in three-layer co-extruded extruder;
Material after D, above-mentioned extrusion modling is made product again after calender calendering.
Preferably, in the preparation of masterbatch, PP homopolymers mixes or and CaCO with short glass fiber, hollow glass micropearl
3mixing be to complete in low-speed agitator, mixing time 3～7 minutes.
Preferably, in the preparation of masterbatch, PP homopolymers evenly mixes rear or and CaCO with short glass fiber, hollow glass micropearl
3after evenly mixing, interval just adds coupling agent, the cured dispersant of polypropylene, fire retardant, compatilizer, slipping agent to mix in high speed agitator after 2～5 minutes, mixing time 3～7 minutes.
Preferably, in the preparation of masterbatch, mediating temperature is 100～110 DEG C, and kneading time is 6～10 minutes.
Preferably, that in step C, drops into masterbatch in three-layer co-extruded extruder melts the body Shuai≤1g/10min of Su that flows, and the molding die of three-layer co-extruded extruder is T-shaped die head.
The present invention compared with prior art, produces following beneficial effect:
1, intermediate layer is main support layer, and its masterbatch is mainly short glass fiber, PP homopolymers, hollow glass micropearl, and its proportion, much smaller than calcium carbonate, makes the proportion of short glass fiber PP stone paper little, for the extensive use of expanding stone paper provides the foundation;
2, short glass fiber and hollow glass micropearl use the rheological property that has strengthened fluid jointly, make masterbatch there is good processing characteristics, improve the physical properties such as the tear-resistant and deflection of the folding of stone paper, rigidity, make the combination property of stone paper superior, meet the user demand in each field.
Detailed description of the invention
Below by specific embodiment, a kind of short glass fiber PP stone paper of the present invention and preparation method thereof is described in further detail, understands the present invention's technological thought required for protection so that clearer.
Embodiment 1
Formula:
The masterbatch formula of upper epidermis, by mass percentage:
CaCO
3 40%
PP (homopolymers) 55%
Titanate coupling agent 1%
The cured dispersant 1% of polypropylene
Fire retardant 1%
Compatilizer 1%
Slipping agent 1%
The masterbatch formula in intermediate layer, by mass percentage:
Short glass fiber 27%
PP (homopolymers) 50%
Hollow glass micropearl 20%;
Esters of silicon acis coupling agent 0.5%
The cured dispersant 0.5% of polypropylene
Fire retardant 1%
Compatilizer 0.5%
Slipping agent 0.5%
The masterbatch formula on lower top layer, by mass percentage:
CaCO
3 60%
PP (homopolymers) 37%
Titanate coupling agent 0.5%
The cured dispersant 0.5% of polypropylene
Fire retardant 1%
Compatilizer 0.5%
Slipping agent 1%
Preparation method:
The preparation of A, upper and lower top layer masterbatch: by CaCO
3with PP (homopolymers) stirs and both was evenly mixed in 3 minutes in low-speed agitator; Interval adds successively titanate coupling agent, the cured dispersant of polypropylene, fire retardant, compatilizer, slipping agent and stirs in high speed agitator after 2 minutes makes all materials evenly mix for 3 minutes; Drop in kneader and mediate, mediating temperature is 100 DEG C, and kneading time is 6 minutes; Granulation in comminutor, makes the masterbatch on upper and lower top layer;
The preparation of B, intermediate layer masterbatch: short glass fiber, hollow glass micropearl and PP (homopolymers) are stirred and three evenly mixed in 3 minutes in low-speed agitator; Interval adds successively esters of silicon acis coupling agent, the cured dispersant of polypropylene, fire retardant, compatilizer, slipping agent and stirs in high speed agitator after 2 minutes makes all materials evenly mix for 3 minutes; Drop in kneader and mediate, mediating temperature is 100 DEG C, and kneading time is 6 minutes; Granulation in comminutor, makes the masterbatch in intermediate layer;
C, measure each layer masterbatch melt body flow rate, the masterbatch of each layer melt body flow Shuai≤1g/10min of Su can drop in three-layer co-extruded extruder, upper and lower top layer masterbatch and intermediate layer masterbatch drop into extrusion modling in three-layer co-extruded extruder for the ratio of 15:15:70 by mass percentage, and the molding die of three-layer co-extruded extruder is T-shaped die head;
Material after D, above-mentioned extrusion modling is made product again after calender calendering.
Embodiment 2
Formula:
The masterbatch formula of upper epidermis, by mass percentage:
CaCO
3 50%
PP (homopolymers) 47.2%
Titanate coupling agent 0.8%
The cured dispersant 0.5% of polypropylene
Fire retardant 0.5%
Compatilizer 0.5%
Slipping agent 0.5%
The masterbatch formula in intermediate layer, by mass percentage:
Short glass fiber 25%
PP (homopolymers) 47.2%
Hollow glass micropearl 25%;
Esters of silicon acis coupling agent 0.8%
The cured dispersant 0.5% of polypropylene
Fire retardant 0.5%
Compatilizer 0.5%
Slipping agent 0.5%
The masterbatch formula on lower top layer, by mass percentage:
CaCO
3 50%
PP (homopolymers) 47.2%
Titanate coupling agent 0.8%
The cured dispersant 0.5% of polypropylene
Fire retardant 0.5%
Compatilizer 0.5%
Slipping agent 0.5%
Preparation method:
The preparation of A, upper and lower top layer masterbatch: by CaCO
3with PP (homopolymers) stirs and both was evenly mixed in 7 minutes in low-speed agitator; Interval adds successively titanate coupling agent, the cured dispersant of polypropylene, fire retardant, compatilizer, slipping agent and stirs in high speed agitator after 5 minutes makes all materials evenly mix for 7 minutes; Drop in kneader and mediate, mediating temperature is 110 DEG C, and kneading time is 10 minutes; Granulation in comminutor, makes the masterbatch on upper and lower top layer;
The preparation of B, intermediate layer masterbatch: short glass fiber, hollow glass micropearl and PP (homopolymers) are stirred and three evenly mixed in 7 minutes in low-speed agitator; Interval adds successively esters of silicon acis coupling agent, the cured dispersant of polypropylene, fire retardant, compatilizer, slipping agent and stirs in high speed agitator after 5 minutes makes all materials evenly mix for 7 minutes; Drop in kneader and mediate, mediating temperature is 110 DEG C, and kneading time is 10 minutes; Granulation in comminutor, makes the masterbatch in intermediate layer;
C, measure each layer masterbatch melt body flow rate, the masterbatch of each layer melt body flow Shuai≤1g/10min of Su can drop in three-layer co-extruded extruder, upper and lower top layer masterbatch and intermediate layer masterbatch drop into extrusion modling in three-layer co-extruded extruder for the ratio of 10:10:80 by mass percentage, and the molding die of three-layer co-extruded extruder is T-shaped die head;
Material after D, above-mentioned extrusion modling is made product again after calender calendering.
Embodiment 3
Formula:
The masterbatch formula of upper epidermis, by mass percentage:
CaCO
3 60%
PP (homopolymers) 37%
Titanate coupling agent 0.5%
The cured dispersant 0.5% of polypropylene
Fire retardant 1%
Compatilizer 0.5%
Slipping agent 0.5%
The masterbatch formula in intermediate layer, by mass percentage:
Short glass fiber 30%
PP (homopolymers) 35%
Hollow glass micropearl 30%;
Esters of silicon acis coupling agent 1%
The cured dispersant 1% of polypropylene
Fire retardant 1%
Compatilizer 1%
Slipping agent 1%
The masterbatch formula on lower top layer, by mass percentage:
CaCO
3 40%
PP (homopolymers) 55%
Titanate coupling agent 1%
The cured dispersant 1% of polypropylene
Fire retardant 1%
Compatilizer 1%
Slipping agent 1%
Preparation method:
The preparation of A, upper and lower top layer masterbatch: by CaCO
3with PP (homopolymers) stirs and both was evenly mixed in 5 minutes in low-speed agitator; Interval adds successively titanate coupling agent, the cured dispersant of polypropylene, fire retardant, compatilizer, slipping agent and stirs in high speed agitator after 3 minutes makes all materials evenly mix for 5 minutes; Drop in kneader and mediate, mediating temperature is 105 DEG C, and kneading time is 8 minutes; Granulation in comminutor, makes the masterbatch on upper and lower top layer;
The preparation of B, intermediate layer masterbatch: short glass fiber, hollow glass micropearl and PP (homopolymers) are stirred and three evenly mixed in 5 minutes in low-speed agitator; Interval adds successively esters of silicon acis coupling agent, the cured dispersant of polypropylene, fire retardant, compatilizer, slipping agent and stirs in high speed agitator after 3 minutes makes all materials evenly mix for 5 minutes; Drop in kneader and mediate, mediating temperature is 105 DEG C, and kneading time is 8 minutes; Granulation in comminutor, makes the masterbatch in intermediate layer;
C, measure each layer masterbatch melt body flow rate, the masterbatch of each layer melt body flow Shuai≤1g/10min of Su can drop in three-layer co-extruded extruder, upper and lower top layer masterbatch and intermediate layer masterbatch drop into extrusion modling in three-layer co-extruded extruder for the ratio of 5:5:90 by mass percentage, and the molding die of three-layer co-extruded extruder is T-shaped die head;
Material after D, above-mentioned extrusion modling is made product again after calender calendering.
For a person skilled in the art, can be according to technical scheme described above and design, make other various corresponding changes and distortion, and these all changes and distortion all should belong to the protection domain of the claims in the present invention within.
Claims (10)
1. a short glass fiber PP stone paper, is characterized in that: comprise upper epidermis, He Xia top layer, intermediate layer, the masterbatch formula of each layer is as follows:
The masterbatch formula on A, upper and lower top layer, by mass percentage:
CaCO
3 40～60%
PP homopolymers 37～55%
Titanate coupling agent 0.5～1%
The cured dispersant 0.5～1% of polypropylene
Fire retardant 0.5～1%
Compatilizer 0.5～1%
Slipping agent 0.5～1%;
The masterbatch formula in B, intermediate layer, by mass percentage:
Short glass fiber 25～30%
PP homopolymers 35～50%
Hollow glass micropearl 20～30%;
Esters of silicon acis coupling agent 0.5～1%
The cured dispersant 0.5～1% of polypropylene
Fire retardant 0.5～1%
Compatilizer 0.5～1%
Slipping agent 0.5～1%
The quality of the masterbatch in above-mentioned intermediate layer is 70～90% of total masterbatch quality, and the quality of the masterbatch on upper and lower top layer is 5～15% of total masterbatch quality; Its preparation method is as follows:
The preparation of A, upper and lower top layer masterbatch: by CaCO
3evenly mix with PP homopolymers, then add titanate coupling agent, the cured dispersant of polypropylene, fire retardant, compatilizer, slipping agent evenly to mix, then kneading, granulation, make the masterbatch on upper and lower top layer;
The preparation of B, intermediate layer masterbatch: short glass fiber, hollow glass micropearl and PP homopolymers are evenly mixed, add again esters of silicon acis coupling agent, the cured dispersant of polypropylene, fire retardant, compatilizer, slipping agent evenly to mix, then kneading, granulation, make the masterbatch in intermediate layer;
C, upper and lower layer masterbatch and intermediate layer masterbatch are dropped into extrusion modling in three-layer co-extruded extruder;
Material after D, above-mentioned extrusion modling is made product again after calender calendering.
2. short glass fiber PP stone paper as claimed in claim 1, is characterized in that: the composition of the masterbatch on upper and lower top layer and mass percent are: CaCO
3: 50%; PP homopolymers: 47.2%; Titanate coupling agent: 0.8%; The cured dispersant of polypropylene: 0.5%; Fire retardant: 0.5%; Compatilizer: 0.5%; Slipping agent: 0.5%.
3. short glass fiber PP stone paper as claimed in claim 1, is characterized in that: the composition of the masterbatch in intermediate layer and mass percent are: short glass fiber: 25%; PP homopolymers: 47.2%; Hollow glass micropearl: 25%; Esters of silicon acis coupling agent: 0.8%; The cured dispersant of polypropylene: 0.5%; Fire retardant: 0.5%; Compatilizer: 0.5%; Slipping agent: 0.5%.
4. short glass fiber PP stone paper as claimed in claim 1, is characterized in that: the quality of the masterbatch in intermediate layer is 80% of total masterbatch quality, and the quality of the masterbatch on upper and lower top layer is 10% of total masterbatch quality.
5. short glass fiber PP stone paper as claimed in claim 1, is characterized in that: the gross thickness of three layers is 0.3～1mm.
6. the preparation method of short glass fiber PP stone paper claimed in claim 1, is characterized in that comprising the following steps:
The preparation of A, upper and lower top layer masterbatch: by CaCO
3evenly mix with PP homopolymers, then add titanate coupling agent, the cured dispersant of polypropylene, fire retardant, compatilizer, slipping agent evenly to mix, then kneading, granulation, make the masterbatch on upper and lower top layer;
The preparation of B, intermediate layer masterbatch: short glass fiber, hollow glass micropearl and PP homopolymers are evenly mixed, add again esters of silicon acis coupling agent, the cured dispersant of polypropylene, fire retardant, compatilizer, slipping agent evenly to mix, then kneading, granulation, make the masterbatch in intermediate layer;
C, upper and lower layer masterbatch and intermediate layer masterbatch are dropped into extrusion modling in three-layer co-extruded extruder;
Material after D, above-mentioned extrusion modling is made product again after calender calendering.
7. the preparation method of short glass fiber PP stone paper as claimed in claim 6, is characterized in that: in the preparation of masterbatch, PP homopolymers mixes or and CaCO with short glass fiber, hollow glass micropearl
3mixing be to complete in low-speed agitator, mixing time 3～7 minutes.
8. the preparation method of short glass fiber PP stone paper as claimed in claim 6, is characterized in that: in the preparation of masterbatch, PP homopolymers evenly mixes rear or and CaCO with short glass fiber, hollow glass micropearl
3after evenly mixing, interval just adds coupling agent, the cured dispersant of polypropylene, fire retardant, compatilizer, slipping agent to mix in high speed agitator after 2～5 minutes, mixing time 3～7 minutes.
9. the preparation method of short glass fiber PP stone paper as claimed in claim 6, is characterized in that: in the preparation of masterbatch, mediating temperature is 100～110 DEG C, and kneading time is 6～10 minutes.
10. the preparation method of short glass fiber PP stone paper as claimed in claim 6, is characterized in that: that in step C, drops into masterbatch in three-layer co-extruded extruder melts the body Shuai≤1g/10min of Su that flows, and the molding die of three-layer co-extruded extruder is T-shaped die head.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110320559.9A CN102501474B (en) | 2011-10-20 | 2011-10-20 | Short glass fiber PP stone paper and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110320559.9A CN102501474B (en) | 2011-10-20 | 2011-10-20 | Short glass fiber PP stone paper and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN102501474A CN102501474A (en) | 2012-06-20 |
| CN102501474B true CN102501474B (en) | 2014-11-19 |
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ID=46213636
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|---|---|---|---|
| CN201110320559.9A Expired - Fee Related CN102501474B (en) | 2011-10-20 | 2011-10-20 | Short glass fiber PP stone paper and preparation method thereof |
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| CN102729555B (en) * | 2012-07-17 | 2015-02-11 | 夏丽蓉 | Environment-friendly composite stone plate and preparation method thereof |
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| CN1164464A (en) * | 1997-05-16 | 1997-11-12 | 南亚塑胶工业股份有限公司 | Printing quick-drying biaxial stretched polypropylene pearly synthetic paper and its making method |
| CN101618622A (en) * | 2009-08-13 | 2010-01-06 | 大连吉润企业集团有限公司 | Plastic synthetic paper |
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| CN101701433A (en) * | 2009-11-18 | 2010-05-05 | 蔡茂友 | Stone water-free paper-making method and flow |
| CN101864691A (en) * | 2010-06-11 | 2010-10-20 | 成都新柯力化工科技有限公司 | Environment-friendly paper and preparation method thereof |
| CN102154949A (en) * | 2010-09-09 | 2011-08-17 | 黄俊腾 | Method for manufacturing recyclable and reusable stone paper |
| CN102154932A (en) * | 2011-03-09 | 2011-08-17 | 崔江 | Low-specific-gravity stone paper |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW379272B (en) * | 1998-03-05 | 2000-01-11 | Longmeng Environmental Papers | Method of manufacturing recycling papers |
-
2011
- 2011-10-20 CN CN201110320559.9A patent/CN102501474B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1164464A (en) * | 1997-05-16 | 1997-11-12 | 南亚塑胶工业股份有限公司 | Printing quick-drying biaxial stretched polypropylene pearly synthetic paper and its making method |
| CN101618622A (en) * | 2009-08-13 | 2010-01-06 | 大连吉润企业集团有限公司 | Plastic synthetic paper |
| CN101659770A (en) * | 2009-09-05 | 2010-03-03 | 常州金卡基材有限公司 | Flame-retardant synthetic paper |
| CN101701433A (en) * | 2009-11-18 | 2010-05-05 | 蔡茂友 | Stone water-free paper-making method and flow |
| CN101864691A (en) * | 2010-06-11 | 2010-10-20 | 成都新柯力化工科技有限公司 | Environment-friendly paper and preparation method thereof |
| CN102154949A (en) * | 2010-09-09 | 2011-08-17 | 黄俊腾 | Method for manufacturing recyclable and reusable stone paper |
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