CN104178067A - High-flexibility hot-melt adhesive for pencil preparation - Google Patents
High-flexibility hot-melt adhesive for pencil preparation Download PDFInfo
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- CN104178067A CN104178067A CN201410352182.9A CN201410352182A CN104178067A CN 104178067 A CN104178067 A CN 104178067A CN 201410352182 A CN201410352182 A CN 201410352182A CN 104178067 A CN104178067 A CN 104178067A
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Abstract
The invention discloses a high-flexibility hot-melt adhesive for pencil preparation, which is prepared from the following raw materials in parts by weight: 30-40 parts of SEBS (styrene-ethylene-butadiene-styrene), 10-20 parts of EVA (ethylene-vinyl acetate), 10-20 parts of hydrogenated petroleum resin, 2-5 parts of terpene resin, 10-20 parts of composite modified resin, 2-4 parts of PE (polyethylene) wax, 1-2 parts of naphthenic oil, 0.4-0.8 part of hexamethyl phosphoryl triamide, 1-2 parts of ethylenediamine, 0.1-0.4 part of o-hydroxybenzoic aced, 3-5 parts of heavy calcium carbonate powder, 1-2 parts of montmorillonite, 1-2 parts of diamyl phthalate and 1-2 parts of polyisobutenyl succimide. When being used at low temperature, the hot-melt adhesive disclosed by the invention has favorable adhesive effect and favorable flexibility, satisfies the demands for a pencil rod manufacturing production line, and has the advantages of low defective rate and high curing speed.
Description
Technical field
The invention belongs to binding agent field, relate in particular to a kind of pencil high pliable and tough hot melt adhesive for preparation.
Background technology
Pencil shaft materials mainly comprise timber and cementing agent.Timber is used for making penholder, requires texture honest, and structure is thin and even, and matter is soft or slightly soft, fragility slightly, and few resinous, water absorbability is low, and swell-shrink characteristic is little, indeformable.Mainly contain Sabina virginiana (red cypress), fragrant China fir, Xi Damu, linden, alder etc.Cementing agent should have proper viscosity, mobility and wettability, and glue-line flexible after sclerosis is little to Cutting Tool Damage, has necessarily water-fast, heat-resisting, ageing-resistant performance, under normal temperature, easily solidifies, and setting time is short, nontoxic etc.Mainly contain gelatin, polyester acid vac emulsion, hot melt adhesive etc.
Summary of the invention
The object of this invention is to provide a kind of pencil high pliable and tough hot melt adhesive for preparation.
The present invention adopts following technical scheme to achieve these goals:
A kind of pencil high pliable and tough hot melt adhesive for preparation; it is characterized in that, it is that raw material by following weight parts makes: SEBS 30-40, EVA10-20, hydrogenated petroleum resin 10-20, terpine resin 2-5, composite modified resin 10-20, PE wax 2-4, naphthenic oil 1-2, HMPA 0.4-0.8, quadrol 1-2, salicylic acid 0.1-0.4, dicalcium powder 3-5, polynite 1-2, diamyl phthalate 1-2, polyisobutenyl succimide 1-2;
Described composite modified resin is obtained by the raw material preparation of following weight parts:
Resol 10-20, dammar gum 30-40, two quadrol 1-2, borax 1-2, wilkinite 2-4, polycarbonate 1-2, melamine cyanurate 1-2, barium mahogany sulfonate 0.3-0.5, ethylene glycol monomethyl ether 0.1-0.2, oxidation inhibitor 626 1-2, cocoanut fatty acid diethanolamide 1-2, the smooth monoleate 0.1-0.2 of sorb, glyceryl monostearate 1-2, fumaric acid 1-2;
The preparation method of described composite modified resin is:
(1) after dammar gum, two quadrols, borax, wilkinite, polycarbonate, melamine cyanurate, barium mahogany sulfonate are mixed, in kneader, mediate 20-30min for 120-140 ℃, take out coolingly, obtain modification dammar gum material standby;
(2) by after modification dammar gum material and all the other raw material blendings, in kneader, mediate 20-30min for 150-160 ℃, take out coolingly, obtain.
Described a kind of pencil high pliable and tough hot melt adhesive for preparation, is characterized in that: preparation method comprises the following steps:
(1) after quadrol, salicylic acid, dicalcium powder, polynite are added to suitable quantity of water mixing, stir 1-2 hour under 100-200 rev/min, dry, obtain modified filler standby;
(2) by modified filler and all the other raw material blendings, in kneader, at 150-160 ℃, mediate 15-20min, obtain.
Beneficial effect of the present invention:
Hot melt adhesive provided by the invention, composite by the science of SEBS and terpine resin, EVA etc., when low temperature is used, there is good bond effect, and there is good snappiness, meet the needs on pencil shaft manufacturing line, fraction defective is low, and curing speed is fast.
embodiment,
A high pliable and tough hot melt adhesive for pencil preparation, it is that raw material by following weight (kg) makes: SEBS 40, EVA20, hydrogenated petroleum resin 20, terpine resin 5, composite modified resin 20, PE wax 4, naphthenic oil 2, HMPA 0.4, quadrol 1, salicylic acid 0.4, dicalcium powder 3, polynite 2, diamyl phthalate 1, polyisobutenyl succimide 1.8;
Described composite modified resin is obtained by the raw material preparation of following weight (kg):
Resol 20, dammar gum 40, two quadrols 2, borax 1, wilkinite 4, polycarbonate 1, melamine cyanurate 2, barium mahogany sulfonate 0.5, ethylene glycol monomethyl ether 0.2, oxidation inhibitor 626 1, cocoanut fatty acid diethanolamide 2, the smooth monoleate 0.2 of sorb, glyceryl monostearate 2, fumaric acid 1.2;
The preparation method of described composite modified resin is:
(1) after dammar gum, two quadrols, borax, wilkinite, polycarbonate, melamine cyanurate, barium mahogany sulfonate are mixed, in kneader, mediate 30min for 136 ℃, take out coolingly, obtain modification dammar gum material standby;
(2) by after modification dammar gum material and all the other raw material blendings, in kneader, mediate 23min for 157 ℃, take out coolingly, obtain.
Described a kind of pencil high pliable and tough hot melt adhesive for preparation, preparation method comprises the following steps:
(1) after quadrol, salicylic acid, dicalcium powder, polynite are added to suitable quantity of water mixing, stir 2 hours under 160 revs/min, dry, obtain modified filler standby;
(2) by modified filler and all the other raw material blendings, in kneader, at 155 ℃, mediate 17min, obtain.
The hot melt adhesive the key technical indexes of the present embodiment detects as follows:
The apparent viscosity of the hot melt adhesive of the present embodiment is 5200MPa.s, stripping strength 62N/2.5cm, and initial bonding strength reaches steel ball No. 5, open hour 38s, within 24 hours, thermally-stabilised proterties is stable.
Claims (2)
1. a pencil high pliable and tough hot melt adhesive for preparation; it is characterized in that, it is that raw material by following weight parts makes: SEBS 30-40, EVA10-20, hydrogenated petroleum resin 10-20, terpine resin 2-5, composite modified resin 10-20, PE wax 2-4, naphthenic oil 1-2, HMPA 0.4-0.8, quadrol 1-2, salicylic acid 0.1-0.4, dicalcium powder 3-5, polynite 1-2, diamyl phthalate 1-2, polyisobutenyl succimide 1-2;
Described composite modified resin is obtained by the raw material preparation of following weight parts:
Resol 10-20, dammar gum 30-40, two quadrol 1-2, borax 1-2, wilkinite 2-4, polycarbonate 1-2, melamine cyanurate 1-2, barium mahogany sulfonate 0.3-0.5, ethylene glycol monomethyl ether 0.1-0.2, oxidation inhibitor 626 1-2, cocoanut fatty acid diethanolamide 1-2, the smooth monoleate 0.1-0.2 of sorb, glyceryl monostearate 1-2, fumaric acid 1-2;
The preparation method of described composite modified resin is:
(1) after dammar gum, two quadrols, borax, wilkinite, polycarbonate, melamine cyanurate, barium mahogany sulfonate are mixed, in kneader, mediate 20-30min for 120-140 ℃, take out coolingly, obtain modification dammar gum material standby;
(2) by after modification dammar gum material and all the other raw material blendings, in kneader, mediate 20-30min for 150-160 ℃, take out coolingly, obtain.
2. a kind of pencil according to claim 1 high pliable and tough hot melt adhesive for preparation, is characterized in that: preparation method comprises the following steps:
(1) after quadrol, salicylic acid, dicalcium powder, polynite are added to suitable quantity of water mixing, stir 1-2 hour under 100-200 rev/min, dry, obtain modified filler standby;
(2) by modified filler and all the other raw material blendings, in kneader, at 150-160 ℃, mediate 15-20min, obtain.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410352182.9A CN104178067A (en) | 2014-07-23 | 2014-07-23 | High-flexibility hot-melt adhesive for pencil preparation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410352182.9A CN104178067A (en) | 2014-07-23 | 2014-07-23 | High-flexibility hot-melt adhesive for pencil preparation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104178067A true CN104178067A (en) | 2014-12-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410352182.9A Pending CN104178067A (en) | 2014-07-23 | 2014-07-23 | High-flexibility hot-melt adhesive for pencil preparation |
Country Status (1)
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| CN (1) | CN104178067A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104497918A (en) * | 2014-12-20 | 2015-04-08 | 李成功 | Air-permeable Bamboo charcoal powder containing hot melt adhesive for pencil preparation |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120259050A1 (en) * | 2011-04-08 | 2012-10-11 | Bostik, Inc. | Polyolefin Based Hot Melt Containing a Solid Plasticizer |
| CN103740305A (en) * | 2014-01-16 | 2014-04-23 | 日邦树脂(无锡)有限公司 | Medical hot melt adhesive and preparation method thereof |
-
2014
- 2014-07-23 CN CN201410352182.9A patent/CN104178067A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120259050A1 (en) * | 2011-04-08 | 2012-10-11 | Bostik, Inc. | Polyolefin Based Hot Melt Containing a Solid Plasticizer |
| CN103740305A (en) * | 2014-01-16 | 2014-04-23 | 日邦树脂(无锡)有限公司 | Medical hot melt adhesive and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 李子东: "SBS系列胶粘剂的进展", 《粘接》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104497918A (en) * | 2014-12-20 | 2015-04-08 | 李成功 | Air-permeable Bamboo charcoal powder containing hot melt adhesive for pencil preparation |
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| PB01 | Publication | ||
| C10 | Entry into 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: 20141203 |