Summary of Plastic Reinforced Modification Formulations

Views: 8 Author: Site Editor Publish Time: 2023-07-14 Origin: Site

There are many common plastic modification technologies, mainly reinforcement technologies, including fiber reinforcement, self-reinforcement, molecular reinforcement; toughening technology; filling modification; blending and plastic alloy technology; flame retardant technology; nanocomposite technology; reaction graft modification; aging resistance; functional modification, including electrical conductivity, antistatic, thermal conductivity and luminescence, etc.; thermoplastic elastomer technology.

General Thermoplastic Reinforced Formulations

1. High performance glass fiber reinforced PP

Formulation composition:

Homopolymer PP (F401)	54%
GF	30%
Coupling agent K-550	0.5%
PP-g-MAH	5%
POE-g-MAH	10%
Lubricant	0.5%

Processing conditions:

(1) Extrusion granulation temperature 180~230℃; screw speed 320r/min

(2) Injection molding temperature 190~210℃

Related properties:

Tensile strength/MPa	70
Flexural modulus of elasticity/GPa	1.5
Heat distortion temperature/℃	160
Impact strength/(J/m)	40

2. Glass fiber reinforced PP

Formulation composition:

PP	51%
LDPE	5%
Glass fiber (5mm)	40%
PP Maleated PP	4%

Related properties:

Tensile strength/MPa	97
Flexural modulus of elasticity/GPa	7.44
Impact strength/(J/m)	138.8

3. Glass fiber reinforced PP

Formulation composition:

PP	58%
Silane treated glass fiber	30%
Pulp	6%
Unsaturated carboxylic acid modified polyolefin	6%

4.GF/LCD Composite Enhanced PP

Formulation composition:

PP	70%
TLCP	5%
GF	30%

Note: GF length < 4 mm, treated with bismaleimide, TLCP thermotropic solution polymer, copolyester (60/40) of p-hydroxybenzoic acid (PHB) in PET.

Related properties:

The tensile strength is 51.3MPa; the tensile modulus is 1.59GPa.

5. Mica reinforced PP

Formulation composition (mass parts)

PP	100
Silane coupling agent	0.25
Mica	30

Related properties:

Tensile strength/MPa	50
Bending strength/MPa	82
Rockwell hardness (R)	106
Heat distortion temperature ℃	128
Product warpage/%	1.2

6. Chopped glass fiber reinforced PP

Formulation composition (mass parts)

PP	100
CaSt	0.5
Activated Chopped Glass Fiber	30
Antioxidant 1010	0.3
A-174 coupling agent	0.1
Auxiliary antioxidant DLTP	0.5

Related properties:

Tensile strength/MPa	37.32
Elastic modulus/MPa	252.19
Notched impact strength/kJ/m2	8.15
Unnotched impact strength/kJ/m2	29.55
Heat distortion temperature/℃	124.5

7. Wollastonite fiber filled reinforced PP

PP	100
CaSt	0.5
Wollastonite fiber	30
Antioxidant 1010	0.3
KH-550	0.5~1
Auxiliary antioxidant DLTP	0.3

Related properties:

Tensile strength/MPa	28.54
Elastic modulus/MPa	201.92
Notched impact strength/kJ/m2	8.32
Unnotched impact strength/kJ/m2	32.10
Heat distortion temperature/℃	124.5

8. Composite reinforced PP

Formulation composition (mass parts)

PP (Yanshan Petrochemical 1300)	100
Mica powder	15
Glass fiber	25
Silane coupling agent	0.5~1

Related properties:

Tensile strength/MPa	86.8
Elastic modulus/MPa	4200
Notched impact strength/kJ/m2	7.1
Unnotched impact strength/kJ/m2	20.1
Heat distortion temperature/℃	124.5

9. Glass fiber reinforced PVC

Formulation composition (mass parts):

PVC	100
Mercaptodibutene	3
Surface coated fiberglass	30
HSt	0.5

Processing conditions: After the components in the above formula are fully mixed, extrude into products.

Related properties:

Bending strength/MPa	113.7
Heat distortion temperature/℃	80.5
Izod impact strength/kJ/m2	19.1

10. Glass fiber reinforced PVC

Formulation composition:

PVC	100
Fatty acid	1
Dibasic lead sulfate	3
CaSt	0.3
Fatty acid ester	2
Glass fiber (2~4mm)	30

Engineering plastics reinforced formulations

1. Long glass fiber reinforced PA6

Formulation composition:

	1#	2#
PA6	67.8	63.9
PP-g-MA	-	4
Long glass fiber (10mm)	32.2	32.1

Related properties:

	1#	2#
Tensile strength/MPa	208.4	208.6
Bending strength/MPa	269.5	249.0
Impact strength/kJ/m2	63.4	68.7
Notched impact strength/kJ/m2	29.0	32.3

2. Flame retardant, antistatic reinforced PA6

Formulation composition:

PA6	40~55
Flame retardant	15~25
Toughener	5~8
Antistatic agent	5~8
Glass fiber	25~30

3. Antistatic glass fiber reinforced PA6

Formulation composition:

Short glass fiber reinforced PA6 (containing 30% glass fiber)	94%
Short carbon fiber	4.5%
Conductive carbon black	0.5%

4. Flame retardant glass fiber reinforced PA6

Formulation composition:

Short glass fiber reinforced PA6 (containing 30% glass fiber)	91%
Melamine	4%
Sb2O3	5%

5. Transparent glass fiber reinforced PC

PC	100
Polyethylene	13.7
Chopped glass fiber	49
Silane coupling agent	0.33

Related properties:

Young's modulus	6.95GPa
Flexural modulus	170MPa
Turbidity	28%
Transmittance	85%

Thermoset Reinforced Formulations

1. Reinforced PF for chemical anti-corrosion pipelines

Formulation composition:

PF Epoxy modified PF	100
Wet asbestos	8
Crocidolite	152

2. Epoxy FRP (1)

Epoxy resin (E-44)	100
Ethylenediamine (65%)	6~8
Dibutyl phthalate	10~15
Filler	30~40
Triphenyl phosphite	5
Acetone (or ethanol)	10~15

3. Epoxy FRP (2)

Epoxy resin (E-44)	100
Ethylenediamine (65%)	6~8
Dibutyl phthalate	10~15
Filler	30~40
M-phenylenediamine	15
Acetone (or ethanol)	20~30

4. Epoxy phenolic FRP

Formulation composition:

Epoxy resin (E-44)	80(70)
Phenolic resin (2130)	20（30）
Polyester resin (304)	10
Dibutyl phthalate	10
Filler (rock powder, graphite powder, quartz powder)	20~30
M-phenylenediamine	14~16
Acetone (or ethanol)	10~15

5. Epoxy furan FRP

Formulation composition:

（E-44）Epoxy resin (E-44)	30
Furan resin	70
Triphenyl phosphite	10
Dibutyl phthalate	10
Filler (rock powder, graphite powder, quartz powder)	30
Ethylenediamine	6~8
Acetone (or ethanol)	10~15

Processing conditions: heat curing, generally 80~90℃×4h

6.No. 771 unsaturated polyester fiberglass

Formulation composition:

No. 771 unsaturated polyester	100
Cobalt naphthenate or cobalt naphthenate	Winter 3~4，Summer0.5~1
Cyclohexanone peroxide	1

7. High-strength unsaturated polyester board

Formulation composition:

Propylene Glycol/ Neopentyl Glycol/Isophthalic Acid/Fumaric Acid Polycondensation UP	100
Styrene	43
PMMA	29
ZnSt	4
Tert-butyl hydroperoxide	3
1,3-Bis(tert-isopropylperoxy)benzene	1.5